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Radioddity DB25-D, Extended Manual

The Radioddity DB25-D product is a versatile communication device designed for seamless connectivity. With its advanced features and functionalities, mastering its operations is made simple with the Extended Manual. Experience smooth usage and delve into its full potential by downloading this comprehensive, free manual from our website.

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Radiod

d

ity 

Extended manual for Radiod

d

ity DB25-D & GD-88 

v2.0 

 

© Radiod

d

ity 2022 

page 171 of 209 

Supported DCS codes 

0nn 

1nn 

2nn 

3nn 

4nn 

5nn 

6nn 

7nn 

D017N  D114N  D205N  D306N  D411N  D503N  D606N  D703N 
D023N  D115N  D212N  D311N  D412N  D506N  D612N  D712N 
D025N  D116N  D223N  D315N  D413N  D516N  D624N  D723N 
D026N  D122N  D225N  D325N  D423N  D523N  D627N  D731N 
D031N  D125N  D226N  D331N  D431N  D526N  D631N  D732N 
D032N  D131N  D243N  D332N  D432N  D532N  D632N  D734N 
D036N  D132N  D244N  D343N  D445N  D546N  D645N  D743N 
D043N  D134N  D245N  D346N  D464N  D565N  D646N  D754N 
D047N  D143N  D246N  D351N  D465N 

 

D654N 

 

D050N  D145N  D251N  D356N  D466N 

 

D662N 

 

D051N  D152N  D252N  D364N 

 

 

D664N

 

 

D053N  D155N  D255N  D365N 

 

 

 

 

D054N  D156N  D261N  D371N 

 

 

 

 

D065N  D162N  D263N 

 

 

 

 

 

D071N  D165N  D265N 

 

 

 

 

 

D072N  D172N  D266N 

 

 

 

 

 

D073N

 

D174N  D271N

 

 

 

 

 

 

D074N 

 

D274N 

 

 

 

 

 

Supported DCS-I values (reverse DCS) 

0nn 

1nn 

2nn 

3nn 

4nn 

5nn 

6nn 

7nn 

D017I 

D114I 

D205I 

D306I 

D411I 

D503I 

D606I 

D703I 

D023I 

D115I 

D212I 

D311I 

D412I 

D506I 

D612I 

D712I 

D025I 

D116I 

D223I 

D315I 

D413I 

D516I 

D624I 

D723I 

D026I 

D122I 

D225I 

D325I 

D423I 

D523I 

D627I 

D731I 

D031I 

D125I 

D226I 

D331I 

D431I 

D526I 

D631I 

D732I 

D032I 

D131I 

D243I 

D332I 

D432I 

D532I 

D632I 

D734I 

D036I 

D132I 

D244I 

D343I 

D445I 

D546I 

D645I 

D743I 

D043I 

D134I 

D245I 

D346I 

D464I 

D565I 

D646I 

D754I 

D047I 

D143I 

D246I 

D351I 

D465I 

 

D654I 

 

D050I 

D145I 

D251I 

D356I 

D466I 

 

D662I 

 

D051I 

D152I 

D252I 

D364I 

 

 

D664I

 

 

D053I 

D155I 

D255I 

D365I 

 

 

 

 

D054I 

D156I 

D261I 

D371I 

 

 

 

 

D065I 

D162I 

D263I 

 

 

 

 

 

D071I 

D165I 

D265I 

 

 

 

 

 

D072I 

D172I 

D266I 

 

 

 

 

 

D073I

 

D174I 

D271I

 

 

 

 

 

 

D074I 

 

D274I 

 

 

 

 

 

Summary of Contents for DB25-D

Page 1: ... Radioddity 2022 page 1 of 209 V2 0 July 2022 Extended Manual for DB25 D GD 88 ...

Page 2: ...on 22 Base Station Operation 23 Replace fuse 24 5 4 Radioddity GD 88 Preparation 25 Mount GD 88 Antenna 25 Charge the battery pack 25 Install Radioddity GD 88 battery pack 26 Install Radioddity GD 88 hand strap and belt clip 26 5 5 Accessories connection 26 External speaker headset and microphone 26 Radioddity DB25 D Speaker Microphone 27 5 6 Radioddity DB25 D radio controls 27 Parts description f...

Page 3: ...ff 47 6 17 Roaming On Off 48 6 18 1750Hz Pilot tone 48 6 19 Promiscuous Mode 48 7 Using the radio menu 49 7 1 Accessing the menus and operations 50 8 Placing a PTT Call 51 8 1 High Low power 51 8 2 Select the transmitting VFO 51 8 3 Receive and Answer to a digital radio call 51 8 4 Initiate a digital radio call 53 8 5 Receive and Answer to an analog radio call 53 9 Special DMR functions 54 Remote ...

Page 4: ...uage 73 Keypadlock 73 Backlight 74 LED indicator LEDs 74 DisplayMode 74 VOX 75 Channel Sw 76 Factory Reset 76 ABRepeat 77 10 7 Parameters 78 TOT 78 Power 79 Slot Repeat 79 Sleep Mode 80 Encryption ENC Level 81 Squelch Level SQ level 81 Wide Narrow Band Bandwidth 81 Busy Channel Lockout BCLO 82 Signaling 82 CTCSS Phase Reverse Ctcss Tail 83 10 8 Tone Set 83 Profiles 83 Key Tone KeyTone 84 Power Ton...

Page 5: ...D 88 101 Safe codeplug to file 102 Write codeplug to DB25 D or GD 88 102 Open existing codeplug 103 FactoryReset 103 12 Using the CPS to make changes to your settings 105 12 1 Device Info 105 Factory Number 105 Serial Number 105 Model Number 106 Firmware Version 106 Version Data 106 Frequency Range 106 The Latest Update 106 Firmware ID 106 12 2 Basic Parameters 107 Radio Name 107 Language 107 TOT ...

Page 6: ... Keytone volume 117 Low Battery Alert tone 118 Low Battery Alert volume 118 Boot ringtone 118 Call hang up 118 12 5 Indicator 119 All Indicators 119 TX Indicator 119 RX Indicator 120 Scanning Indicator 120 Low battery Indicator 120 12 6 Preset Keys 121 Long Press Duration 121 Available Function for the Preset Keys 121 12 7 Mic Gain 123 MIC Gain 1 ON OFF 123 MIC Gain 1 124 MIC Gain 2 ON OFF 124 MIC...

Page 7: ...135 Scrambling frequency 135 Keylock Password On Off 135 Keypad Password 135 12 10 APRS 135 Analog APRS 136 Digital APRS 136 Manual TX Interval s 136 APRS Auto TX Intervals s 137 Beacon 137 Latitude degrees 137 Longitude degrees 137 TX Freq MHz 138 TX QT DQT 138 Transmit Delay 139 Prewave Time 139 Transmit Power 139 APRS Tone 139 Destn SSID 140 Destn Call Sign 140 Your SSID 140 Your Call Sign 141 ...

Page 8: ... 5 TX Freq 157 13 6 Power 157 13 7 Only RX 157 13 8 Alarm 157 13 9 Prompt 157 13 10 PCT Private Call Type 158 13 11 RX TS 158 13 12 TX TS 158 DMR use with simplex hotspot 159 13 13 RX CC Color Code 159 13 14 TX CC 160 13 15 Msg Type 160 13 16 TX Policy 160 13 17 RX Group 161 13 18 Encryption List 161 13 19 Scan List 161 13 20 Contacts 162 13 21 EAS Emergency Alarm System 162 13 22 Relay Monitor 16...

Page 9: ...ncluding analog APRS 183 16 4 Simplex digital DMR operation with other station 184 16 5 Simplex digital DMR operation with Single HAT hotspot 185 16 6 Duplex digital DMR operation with Dual HAT hotspot 186 16 7 Digital DMR operation with digital repeater 188 17 Connectivity 190 17 1 Power connector of DB25 D 190 17 2 HF Antenna connector of DB25 D 190 17 3 GPS antenna connector of DB25 D 190 17 4 ...

Page 10: ...Radioddity Extended manual for Radioddity DB25 D GD 88 v2 0 Radioddity 2022 page 10 of 209 20 Common problems and how to solve them 205 21 Where to find support material 208 ...

Page 11: ...serve no less Our promise to give you the best shopping experience Strong partnerships enable us to offer you the latest technology and outstanding value for money under the Radioddity brand name Our thoughtful and responsive customer service teams help us deliver on our promise to you and meet your everyday needs even better Whether providing you with the latest and greatest DMR and analog radios...

Page 12: ...ed In case something does not work as you d expect it to restart with a fresh and new codeplug that only contains the minimum data required for the functionality you think that is failing If you still cannot get it working as expected such minimal codeplug and precise step by step instructions on how to reproduce your issue makes it much easier for our support staff to get your issue sorted out Ou...

Page 13: ...more added value for you Revision Changes released V2 0 Additional chapters and parameters for the Radioddity GD 88 Differentiation between Radioddity DB25 D and Radioddity GD 88 wherever required Rearrangement of some chapters parts Minor additions and corrections 2022 07 01 V1 1 Added release notes for new firmware more precise description on how to use the promiscuous mode replaced band by VFO ...

Page 14: ...plosive atmospheres 4 Turn the radio off before you come near any areas with explosives 5 Do not use a radio whose antenna is damaged as touching the damaged antenna may result in injury 6 Do not try to disassemble the radio any maintenance work should be carried out by qualified technicians 7 To prevent electromagnetic interference issues turn the radio off in locations that have signs displaying...

Page 15: ...le Please make sure the Speaker Microphone K1 plug is covered when not in use Opening or modifying the device will void any warranty Any firmware not intended to be used with the device will void any warranty Cleaning 1 Please clean your device regularly by using a dry clean cloth or soft brush to wipe the dust off the surface 2 The keypads control knob and housing of the device may become dirty f...

Page 16: ...r Radioddity GD 88 radio We recommend that you first check the delivery contents listed in the following tables and keep the packaging for later storage If something is missing or damaged please contact your dealer immediately 4 1 Bill of materials for Radioddity DB25 D Item Picture Radioddity DB25 D Mobile Radio DC Power cable Speaker Mic Mini GPS Antenna ...

Page 17: ...Radioddity Extended manual for Radioddity DB25 D GD 88 v2 0 Radioddity 2022 page 17 of 209 Item Picture Mounting Bracket Rack mounting Screws 2 Programming Cable Box manual ...

Page 18: ...y DB25 D GD 88 v2 0 Radioddity 2022 page 18 of 209 4 2 Bill of materials for Radioddity GD 88 Item Picture Radioddity GD 88 Handheld Radio Dual Band Antenna Li Po Battery 3000 mAh Charging Base Power Supply Type depending on country of sales ...

Page 19: ...ed manual for Radioddity DB25 D GD 88 v2 0 Radioddity 2022 page 19 of 209 Item Picture Belt Clip Hand strap Programming Cable Box Manual Notes Further accessories for your radio are available at https www radioddity com ...

Page 20: ... radio in front of the front passenger seat below the panel section or the car trunk This will prevent your knees and legs crashing the radio in case of an emergency brake You should install it with good ventilation and avoiding the direct sunlight Keep it away from locations with inflating airbags 1 Install the mounting bracket to the car using self taping screws and flat washers 2 pcs of each ki...

Page 21: ...s coaxial feeder line with 50 Ω impedance is used to match the input impedance of the radio If the transmission impedance of the feeder line is less than 50 Ω the antenna connection will reduce the effectiveness of the antenna system and will cause interference to the nearby radio and television receivers radio receivers and other electronic devices and even damage the radio Notes If transmitting ...

Page 22: ...ity DB25 D directly to the vehicle s battery terminals using the shortest path from the transceiver We suggest you do not use the cigarette lighter socket as some cigarette lighter sockets introduce an unacceptable voltage drop that may cause the radio to turn off or reboot when starting a transmission The entire length of the cable must be dressed so it is isolated from heat moisture and the engi...

Page 23: ...e at least 5 A Notes Before connecting the DC power to the Radioddity DB25 D be sure to switch the DC power supply OFF Do not plug the DC power supply into an AC outlet until you make all connections 1 Make sure that both the Radioddity DB25 D and DC power supply are off 2 Connect the DC power cable to the regulated DC power supply and ensure that the polarity is correct Red positive Black Negativ...

Page 24: ...use and then solve the problem After the problem is fixed then replace the fuse But if after re installation the fuse is still blown please disconnect the power cord and contact the local authorized dealer or authorized service center for assistance Fuse position Fuse rated current Radio in DC cable 5 A DC power cord 10 A Notes Please use only the specified type and the rated value of the fuse oth...

Page 25: ...5 D The antenna must be connected to the radio before transmitting Do not hold the antenna with your hand as this will reduce the radio performance Charge the battery pack When the battery is used for the first time a low battery alarm may alert Please turn the radio off and charge the battery firstly Notes Please only use the designated battery pack and charging equipment for charging Please char...

Page 26: ...lly move it off the upper metal Avoid breaking the battery noses Install Radioddity GD 88 hand strap and belt clip 1 Take out the hand strap and mount it to the radio using the eyelet just above the blank metal piece on the backside of the radio 2 Take out the belt clip and two screws from the equipped bag 3 Align the belt clip mounting holes with the threaded holes on the main unit insert screws ...

Page 27: ...all door that s fastened to the radio with a screw On the Radioddity GD 88 those ports are on the right side and covered by a rubber cover Notes More details on this K1 style connector are to be found in Chapter 17 5 K1 connector on page 191 Radioddity DB25 D Speaker Microphone Please insert the provided Speaker Microphone with built in speaker to the RJ45 jack on left side of the radio to make vo...

Page 28: ... A and VFO B The VFO with the icon is the main VFO for transmitting or menu set 2 For operating the VFO with the icon in menu mode short press to return to the previous level and long press to exit menu mode 3 In Standby long press to enter the Channel Edit mode of the main VFO with the icon 8 LED indicator Used to indicate the RX TX status etc 9 Speaker Used to receive audio from others 10 TFT di...

Page 29: ...29 of 209 No Part Name Function description and applications 14 SP MIC jacket 1 For external accessories connection such as earpiece speaker 2 Connect the programming cable here to get connection with the PC for data programming 15 Mounting Bracket For fixing the radio at some place ...

Page 30: ...or dummy load should be with 50 Ω impedance 17 Heat Sink Cool the internal power tube to avoid too high temperature to damage the related components 18 GPS antenna port Install the GPS antenna to this port for GPS receiving 19 Rack mounting screws Loosen the left and right screws to set the correct viewing angle then re fasten them 20 External power cable Carefully check the polarity Red Black and...

Page 31: ...eric Keypad Used to input frequency channel number alias ID and SMS 24 MIC Speak to the microphone when pressing the PTT key to transmit 3 5 cm away from the mouth 25 LED indicator of the Speaker Microphone In transmitting LED lights red if operating on Speaker Microphone keypad LED light will be always on 26 MIC P4 Programmable function key 4 27 MIC P5 Programmable function key 5 28 MIC P6 Progra...

Page 32: ...e 6 TFT display Display various working states and combine with visual icons for easy use and operation 7 Up key Increase Up the frequency channel menu etc 8 Menu key Select key OK key 1 In standby short press to access the menu of the current VFO 2 In the current menu mode short press for parameter selection and confirmation 3 Long press 3sec to input the channel number and call up the desired ch...

Page 33: ...e the desired VFO A or B CTRL will be displayed on the left in the middle line of the corresponding VFO 2 ln menu operation use as the return key 3 ln standby long press to enter the settings of the currently selected channel 18 VFO A B TX selection Key 1 ln standby short press to choose the desired VFO A or B for transmitting PTT will be displayed on the left in the bottom line of the VFO selecte...

Page 34: ...Radioddity Extended manual for Radioddity DB25 D GD 88 v2 0 Radioddity 2022 page 34 of 209 5 8 Radioddity DB25 D display 5 9 Radioddity GD 88 display ...

Page 35: ...analog monitor is on Promiscuous Appears when Promiscuous mode is on VOX Appears when VOX is on GPS Appears when GPS is on red if not sufficient GPS satellites received green as soon as GPS position found GPS Scan Appears when SCAN is on Emergency Mode Appears when the radio is in emergency mode Encryption Appears when Encryption is on QT CTCSS Appears when CTCSS is on DQT DCS Appears when Normal ...

Page 36: ...FO with this icon indicates that the current VFO can make a call or is operable and settable CTRL Operating VFO lndicates that the current VFO is operable and settable PTT Transmitting VFO lndicates the VFO that will be used to transmit Time Slot 1 Indicates the working slot of current frequency or channel Time Slot2 Zone Indicates the working zone of current frequency or channel VFO Variable Freq...

Page 37: ... transmission Not used by ham operators LED Indicators LED indicator Radio status Receiving Transmitting Fast Flashing green Scanning Fast Flashing red Low battery alert 5 11 Keypad operations Please follow the key operation described below to simplify the instructions and avoid unnecessary duplication Instruction Operation Press the XXX button Short press the button and release it quickly Press a...

Page 38: ...n based on configuration P4 Standby Short Press Preset function based on configuration Long Press Preset function based on configuration VOL SQL Standby Short Press For adjusting the output volume Long Press In analog mode adjust the squelch level TONE T SEL Standby Short Press In analog mode choose signaling type Long Press To select signaling code frequency after selecting the signaling type and...

Page 39: ...has the highest priority Scan When the terminal scans a signal on a channel It will stay on the channel to listen to understand the current activity status of the relevant team members VOX If VOX is On when the voice is detected to reach the transmission condition by the microphone it will be transmitted automatically The user can initiate a call without pressing the PTT key Busy Channel Lockout B...

Page 40: ...X radio so that the audio can be received successfully DCS DCS code for RX radio must be same as TX radio so that the audio can be r11ceived successfully Digital Functions Function Description Private call Private call is a one to one call Group call Group call is a one to many call All call All call is a call to all contacts on the current digital channel Not used by ham operators Talk Around Whe...

Page 41: ...he radio can be used to input frequency channel numbers user alias or ID or SMS Most characters require pressing a key for several times Alphanumerical input of characters Programmable Function keys There are more than 25 different functions that may be assigned to the Preset Buttons P keys For more details on how to program the Preset Buttons please check chapter 0 ...

Page 42: ...Radioddity Extended manual for Radioddity DB25 D GD 88 v2 0 Radioddity 2022 page 42 of 209 Preset Keys on page 121 ...

Page 43: ... GD 88 turn the volume knob clockwise increase or counterclockwise decrease to adjust the volume The green volume scroll bar of the selected VFO will change according to the volume level The volume settings for each VFO A and B may be set independent from each other 6 3 Adjust Squelch The icon displayed left to the channel name of the upper VFO A or the lower VFO B indicates the selected VFO The s...

Page 44: ...ection key 6 5 Busy Channel Lockout When the icon or CTRL is shown left to the channel name you may set the Busy Channel Lock of the currently selected VFO A or B separately to On or Off by accessing the menu If it is On when receiving a carrier signal it is prohibited to transmit when pressing the PTT key 6 6 Wide Narrow Band When the icon is shown left to the channel name you may set the bandwid...

Page 45: ...X signaling code frequency 6 8 Channel Selection The desired working channel can be selected as follows 1 When the icon or CTRL is shown left to the channel name of VFO A or B rotate the ENC knob or use the to select the desired channel 2 When the icon or CTRL is shown left to the channel name of VFO A or B input the desired channel number by using the numerical keypad 3 When CTRL is shown left to...

Page 46: ...switching and zone name modification or editing 1 Programming one of the keys for the Zone switching feature 2 Select the Zone item by accessing Menu Zone Channel 6 12 Monitor In Standby Mode or before pressing the PTT key to transmit press the preset Monitor key to monitor channel activity or receive weak signals or confirm whether the current channel is free An active Monitor or Permanent Monito...

Page 47: ...1 Emergency Alarm 2 Emergency Alarm Call 3 Emergency Alarm Voice An alarm is a type of non voice signaling that can trigger a prompt to another radio This function refers to the alarm behavior of the radio after it is activated The following types of alarms are possible Disable The radio will not send an alarm signal Standard The radio can send the alarm signal with voice visual prompts Mute The r...

Page 48: ... Whenever you press that preset key the 1750 Hz pilot tone will be send 6 19 Promiscuous Mode If you haven t assigned a proper RX group to the selected channel you may still monitor all activity that is taking place on the specified channel and its assigned Time Slot by means of activating the so called Promiscuous mode To do so define one of the programmable keys for Promiscuous Whenever you pres...

Page 49: ...Ham Group Contacts Message Create Msg Comm Msg lnbox Outbox Draftbox Call Log Dialed Numbs Received Calls Missed Calls Scan Scan On Off Scan List Scan Mode Roam Setting Zone Channel Zone List Chn List Local Set Language Keypad Lock Back Light LEDs Display Mode VOX Channel Sw Factory Reset ABRepeat Parameters TOT Power Slot Repeat Sleep Mode EncLevel Sq Level Band BCLO Signaling Ctcss Tail Tone Set...

Page 50: ...the keys to select the desired Main Menu item and press the Select key to enter the submenu 3 Rotate the ENC knob or use the keys to select the desired submenu item and press the Select key to enter or 1 Rotate the ENC knob or use the keys to select and set the current parameter and press the Select key to confirm the setting and return to the previous level or 1 Press the Select key to select On ...

Page 51: ...t VFO will change according to the set power level 2 Access MENU Parameters Power through the menu to set the output power level of the radio After setting the red indicator at the bottom of the screen of the current VFO will change according to the set power level Notes High power allows further communication distances Low power allows closer communication distances If you use your radio with a h...

Page 52: ...ivate and Group Calls are activated currently only possible at the radio itself when pressing the PTT key of the Speaker Microphone to make a call a short prompt tone will be heard indicating that the call is in progress You can speak into the MIC Upon release of the PTT key a short beep sound will be heard indicating that your radio is now is ready for receiving If Rx Begin Tone and Rx End Tone f...

Page 53: ...user DMR ID using the numeric keypad of Speaker Microphone within the dialog box popping up on the radio screen This is used for Private Calls only Notes For more details please check chapter 10 1 Contacts on page 57 8 5 Receive and Answer to an analog radio call Rotate the ENC knob or use the keys to select any of the preset analog channels and then press the PTT key of the Speaker Microphone to ...

Page 54: ...0 Radioddity 2022 page 54 of 209 9 Special DMR functions Use our Radioddity CPS software to enable disable and preset any of the Preset Buttons with one of the following functions Notes For more details on how to program the Preset Keys please check chapter 0 ...

Page 55: ...o disable the radio This function can be used to disable the radio when it is stolen or lost Notes To avoid misuse we advise to disable that parameter using the CPS Radio Detection Preset to prohibit or allow the radio from being remotely detected whether the radio is in communication range or active state without any prompt Notes To avoid misuse we advise to disable that parameter using the CPS R...

Page 56: ...nes or allow to send a DTMF prompt tone when pressing the PTT key to transmit in order to achieve the effect of phone ring Encryption Preset to encrypt the voice transmission of the digital channels But the encryption is a software based AES 128 scrambling solution for preventing eavesdropping The receiver radio must have same encryption method level alias and value as the transmitter radio to dec...

Page 57: ... select Contacts and press the OK key to enter 2 Rotate the ENC knob or use the keys to select the Contact list press the OK key to confirm select the desired contact 1 Press the PTT key to initiate a call 2 Press the Select key to choose from the following options depending on Calltype of selected contact Contact of call type Group Call 1 SendMsg press the Select key Edit SMS rotate the ENC knob ...

Page 58: ... Back key to cancel the deletion return back to the previous level 4 SendMsg press the Select key to Edit a SMS rotate the ENC knob or use the keys to choose either SendMsg Send Message lnsertComMsg Insert Common Message Save or ExitEditor press the Select key to confirm the selected option return to the previous level 5 Detail press the Select key to show any details for that contact as found in ...

Page 59: ...Rotate the ENC knob or use the keys to make following options Application press the Select key Rotate the ENC knob or use the keys to choose either Radio Check Call Alert Remote Mon Monitor Radio Disable or Radio Enable press the Select key to send OK or Fail text pops up on the screen press the Back key to return to the previous level SendMsg press the Select key to Edit a SMS rotate the ENC knob...

Page 60: ...2 SendMsg press the Select key to Edit a SMS rotate the ENC knob or use the keys to choose either SendMsg Send Message lnsertComMsg Insert Common Message Save or ExitEditor press the Select key to confirm the selected option return to the previous level 3 Details press the Select key the display shows ID nick name name city province country etc information press the Back to return to the previous ...

Page 61: ... 5 Press the Back key to return to the previous level 10 2 Message The Radioddity DB25 D and GD 88 can receive and send text messages SMS from and to other radios Those are text messages within the DMR network Sending receiving of text messages to from normal mobile phone networks is not supported Various options can be used to send SMS messages Notes Hold and long press the key for 3 seconds to c...

Page 62: ... Speaker Microphone to initiate a call or press the Select key to send the message MSG SENDING pops up on the screen press the Back key to return to the previous level 2 WriteNumber input the contact number using the numeric keypad of the Speaker Microphone press the OK key to send the MSG SENDING pops up on the screen press the Back key to return to the previous level 3 lnsertComMsg Insert Common...

Page 63: ... the Speaker Microphone press the OK key choose either Save or ExitEditor press the Select key return to the previous level Delete press the Select key Are you sure pops up on the screen press the OK key to confirm deletion or press the Back key to cancel the deletion return back to previous level Send Press the Select key edit SMS and press the Select key to either Search a contact or WriteNumber...

Page 64: ...een press the OK key to confirm deletion or press the Back key to cancel deletion return back to previous level Outbox 1 Access the menu press the Menu key and rotate the ENC knob or use the keys to select Message and press the Select key to enter 2 Rotate the ENC knob or use the keys to Outbox and press the Select key to choose from one of the following options 1 Outbox list press the Select key ...

Page 65: ...play full message press the OK key to perform the following options Search rotate the ENC knob or use the keys to search the contact press the PTT key to initiate a call or press the Select key to send the message the message sending status pops up on the screen WriteNumber input the contact number using the numeric keypad of the Speaker Microphone press the OK key to send the message the message ...

Page 66: ... duration information press the Back key to return to previous level SendMsg Press the Select key to edit the message Press the OK key rotate the ENC knob or use the keys to choose option of either SendMsg lnsertComMsg or ExitEditor Press the Select key to confirm the selected option Return to the previous level Delete Are you sure text pops up on the screen press the OK key to confirm deletion or...

Page 67: ...ob or use the keys to select CallLog and press the Select key to enter Rotate the ENC knob or use the keys to MissedCalls and press the Select key to choose from one of the following options 1 MissedCalls list press the Select key to enter rotate the ENC knob or use the keys to choose the number contact press the Select key to choose from the following options View Press the Select key to check th...

Page 68: ... the following options 1 Select List press the Select key to enter rotate the ENC knob or use the keys to choose the desired scan list press the Select key to confirm the selection Set OK pops up on the screen return to the previous level 2 Scan On Off press the Select key to turn it On or Off 3 RoamScan On Off press the Select key to turn it On or Off Scan List 1 Access the menu press the Menu ke...

Page 69: ...nd return to the scan list Scan Mode 1 Press the preset Scan Mode key to choose the scan mode or 1 Access the menu press the Menu key and rotate the ENC knob or use the keys in order to select Scan and press the Select key to enter 2 Rotate the ENC knob or use the keys to Scan Mode and press the Select key to enter 1 Carrier when the radio receives a HF carrier signal while scanning it will stay a...

Page 70: ...ater according to the preset Connect Check Timer If the connection fails after the preset Connect Time is used up it will restart the strong signal Auto roaming search Manual Users can manually roam to the next available repeater Once it is on all repeater channels in the scan list will be waken up to search the nearest available repeaters until finds an available one Every time the nearest availa...

Page 71: ...vious level Timer values Maximum 255s Minimum 0s Increment 1s Notes When the nearest available repeater is searched by Manual Roaming the radio will immediately start timing according to the preset dwell time value If the available repeater is not confirmed by pressing the OK key within the preset time once the timer reaches the preset time the radio will stop roaming or restart roaming to find th...

Page 72: ...displayed in white color It then starts to scan all repeater channels TX RX channels with different TX and RX frequencies only It will not scan channels with same TX RX frequency As long as the scanning does not hit any of the repeaters listed in the roaming list the screen will remain black 3 When the roaming is activated if there are no TX RX channels with different TX and RX frequencies repeate...

Page 73: ...owed by software to set and check below functions are available thru accessing the Local Set menu Language 1 Access the menu press the Menu key and rotate the ENC knob or use the keys to choose Local Set and then press the Select key to enter 2 Rotate the ENC knob or use the keys to choose the Language and press the Select key to enter 3 Rotate the ENC knob or use the keys to choose the desired La...

Page 74: ...n return to the previous level 3 DelayTime press the Select key rotate the ENC knob or use the keys to select a value between 10 and 60 press the OK key to confirm Set OK pops up on the screen return to the previous level LED indicator LEDs 1 Access the menu press the Menu key and rotate the ENC knob or use the keys to choose Local Set and then press the Select key to enter 2 Rotate the ENC knob o...

Page 75: ...us level 3 CHN press the Select key for the display to show just the channel number DispMode is Set pops up on the screen return to previous level 4 VFO Mode press the Select key VFO Mode is activated return to standby screen Notes This may also be accomplished by assigning a function key to VFO and pressing that function key For more details please check chapter 0 Preset Keys on page 121 5 S D Mo...

Page 76: ...ly initiate a call without pressing the PTT key The higher the sensitivity level the smaller the required audio amplitude to trigger VOX The lower the sensitivity level the higher the required audio amplitude to trigger VOX Channel Sw If the radio is in idle state you may the channel to be used may be selected by means of the ENC knob Therefore the Channel Sw needs to be turned On 1 Access the men...

Page 77: ...the GD 88 On or Off or 1 Access the menu press the Menu key and rotate the ENC knob or use the keys to choose Local Set and then press the Select key to enter 2 Rotate the ENC knob or use the keys to choose ABRepeat and press the Select key to choose from the following options 1 A B RepeatSw Press the Select key to switch repeater mode On or Off for the currently selected channel press the Back ke...

Page 78: ...ct as RX input and as TX output channel 10 7 Parameters If it is allowed by software TOT Power Setting Repeater Setting High Low Power Time Slot Repeater settings Power Saving mode etc can be set and or checked through the Parameters menu TOT The Call Time is for limiting the time of each call which can be used to avoid affecting the normal communication of other users due to a long lasting transm...

Page 79: ...l Repeater with different TX RX frequencies or TX and RX being both the same frequency 1 Access the menu press the Menu key and rotate the ENC knob or use the keys to choose Parameters and then press the Select key to enter 2 Rotate the ENC knob or use the keys to choose from the following options If the currently selected channel is setup with different RX TX frequencies typically repeater 1 Slot...

Page 80: ...epeaters in general do use the very same Time Slot for TX as well as for RX That s why there is no differentiation of Rx Time Slot and Tx Time Slot for those Sleep Mode As the Radioddity GD 88 is powered by a battery with limited capacity it is advisable to make best use of the battery s capacity Therefore the radio has special functionalities for saving power and lengthen the battery life When th...

Page 81: ...ware enabling this function will help to prevent other users from eavesdropping without authorization However encryption is not a necessary requirement for receiving and transmitting The receiver radio must have the same AES 128 encryption method level alias and values as the transmitter radio to decrypt the encrypted voices from each other Amateur radio networks do not allow to use encryption Squ...

Page 82: ...otate the ENC knob or use the keys to choose Signaling and press the Select key to enter 3 Rotate the ENC knob or use the keys to select the choose from the following options and procedures 1 RX Subaudio press the Select key to choose from the following options Signaling off press the Select key to turn off the CTCSS DCS code Set Ok pops up on the screen and returns to the previous level CTCSS pre...

Page 83: ...ious level CTCSS Phase Reverse Ctcss Tail 1 Access the menu press the Menu key and rotate the ENC knob or use the keys to choose Parameters and then press the Select key to enter 2 Rotate the ENC knob or use the keys to choose CtcssTail and press the Select key to enter 3 Choose one of the options 55Hz 120 180 or 240 and press the Select key to confirm 4 Set OK pops up on the screen and returns to...

Page 84: ...se the keys to choose PowerTone and press the Select key to choose from the following options and procedures 1 LowBatToneSW press the Select key to turn it on or off 2 LowBatTone press the Select key rotate the ENC knob or use the keys to choose the Low Battery Tone level between 01 and 13 press the OK key to confirm Tone is set pops up on the screen and returns to the previous level Message Tone ...

Page 85: ...nob or use the keys to choose GCallTone and press the Select key to choose from the following options and procedures 1 GCallSW press the Select key rotate the ENC knob or use the keys to choose from one of the options of Rx Begin Tone Rx End Tone Tx Begin Tone Tx End Tone press the Select key to tick or untick the option press the Select key to confirm or the Back key to return to the previous lev...

Page 86: ... Data Upload SW press the Select key rotate the ENC knob or use the keys to choose from one of the options of GPGGA GPGSA GPGSV GPRMC press the Select key to tick or untick the option press the Back key to return to the previous level Notes All these options should be checked for APRS to work as expected GPGGA Global Positioning System Fix Data GPGSA GPS DOP and active satellites GPGSV GPS Satelli...

Page 87: ...the previous level Notes GPS needs to be allowed by software Some GPS functions must be preset by software before use For some GPS functions the radios location must be identified successfully before use Some GPS functions require other users to have GPS functionality and their location been successfully identified as well before use The GPS Distance calculation or the use of some functions is for...

Page 88: ...t key to choose from the following options and procedures 1 Date press the Select key to display the date and year rotate the ENC knob or use the keys to change the cursor position between year month and day or input the desired date and year using the numeric keypad of the Speaker Microphone press the OK key to confirm Date is set pops up on the screen and returns to the previous level 2 Time pre...

Page 89: ...b or use the keys to choose Appendix and then press the Select key to enter 2 Rotate the ENC knob or use the keys to choose Headset Speaker and press the Select key to enter 3 Rotate the ENC knob or use the keys to choose from one of the options of OFF LoudSpeaker MicroSpeaker Loud Mic Spkr Spk HeadSet or Headset and press the Select key to confirm 4 Set Ok pops up on the screen and returns to the...

Page 90: ...y to change the output power for APRS upload rotate the ENC knob or use the keys to choose between Low Power and High Power press the Select key to confirm Set OK pops up on the screen and returns to the previous level Upload Frequency press the Select key to display the current transmit frequency rotate the ENC knob or use the keys to position the cursor within the input field input the frequency...

Page 91: ...ge the location source to be used for the beacon transmission rotate the ENC knob or use the keys to choose the desired source between Preset Beacon and GPS Beacon press the OK key to confirm your selection Set OK pops up on the screen and returns to the previous level 10 10 Record If it is allowed by CPS software to set and check recording list clear record space info about recording by accessing...

Page 92: ...l contact and Version by accessing Device Info menu 1 Access the menu press the Menu key and rotate the ENC knob or use the keys to choose Device Info and then press the Select key to enter 2 Rotate the ENC knob or use the keys to choose from the following options 1 Radio ID press the Select key to display the Radio ID DMR ID input the desired ID with the numeric keypad of the Speaker Microphone p...

Page 93: ...enu press the Menu key and rotate the ENC knob or use the keys to choose Channel Edit and then press the Select key to enter 2 Rotate the ENC knob or use the keys to select the one of the listed parameters 3 Press the Select key to light up the cursor and enter the editing mode 4 Rotate the ENC knob or use the keys to choose the desired value and press the Select key to confirm and save 5 Press th...

Page 94: ...Type PATCS OACSU Permission Impolite Polite to CC Polite To all Rx Group OFF self defined RX Groups Encpty Enc OFF self defined Encryption alias Contact Contact OFF self defined Contacts Emergency Emergency OFF self defined Digital Alarm lists Bandwidth Wide Narrow TxSubType Signaling Off CTCSS DCS DCS Reverse TxSubItem The signal codes of CTCSS DCS and DCS Reverse RxSubType Signaling Off CTCSS DC...

Page 95: ...your PC In case your Windows system is not able to automatically install the required driver you will see an entry similar to within Windows device manager However normally after a few seconds Windows has automatically loaded and installed the required driver and you should see an entry depending on the chip used within the programming cable similar to In case the driver did not install automatica...

Page 96: ...m our Support area After downloading unpack the archive into a temporary directory of your choice Navigate to the subfolder named Software In there you find the CPS installer Execute the installer with admin rights by invoking Run as administrator to start the CPS installation process Due to the fact that the executable isn t signed Windows may give you a popup warning ...

Page 97: ...underlined More info and continue by clicking on Run anyway An additional confirmation dialog will follow asking Do you want to allow this app from an unknown publisher to make changes to your device Confirm this dialog by clicking Yes Follow the standard installation procedure by mostly clicking on Next ...

Page 98: ...oddity Extended manual for Radioddity DB25 D GD 88 v2 0 Radioddity 2022 page 98 of 209 After a while the installation process finishes with Click Finish to confirm the completion of the installation process ...

Page 99: ...efault data Whenever you start the CPS again the last settings will automatically be preloaded However we do advise to regularly make backup copies of the current settings Those settings are often also called codeplug Within the bottom line of the CPS you are presented a bunch of statistical data such as Number of Contacts Number of Zones and Number of channels Whenever changes to parameters have ...

Page 100: ...xit CPS File Exit Ctrl K Radio COM port Device Comm Ctrl R Transfer data from radio to CPS Device Read Ctrl W Transfer data from CPS to radio Device Write Safe factory settings to a file Before you start making your first changes transfer the data from your radio to your PC and safe them as factory settings for later use It is always advisable to have the original factory settings at hand Connect ...

Page 101: ...ly supported Read codeplug from DB25 D or GD 88 To read the current codeplug as stored on the radio click on Read within the toolbar to start the transfer of data from the Radioddity DB25 D or GD 88 to the PC The radio will display Flash Read whilst data is been transferred from the radio to the CPS As soon as all data has been transferred from the radio to the PC the text Flash Read will disappea...

Page 102: ...s to specify the filename to be used Write codeplug to DB25 D or GD 88 Whenever you have made any changes to your current codeplug using the CPS and want those changes to become active on the radio you need to write the changed codeplug back to the radio To do so just click on the button named Write in the toolbar The Radioddity DB25 D or GD 88 will display Flash Write whilst data is been transfer...

Page 103: ...ite codeplug the one you want to become the Factory defaults one within the CPS Then instead of writing it to the DB25 D or GD 88 using the normal Write function click on the FactoryReset button within the toolbar in order to have the codeplug being written to the radio similar to the normal Write function But this time it will be saved to a special area within the radio memory for later use with ...

Page 104: ...ushing the MENU knob Now the settings previously stored as factory defaults will be restored You will see a couple of screens on your Radioddity DB25 D and Radioddity GD 88 The complete process takes about 15 seconds depending on the size of the factory defaults codeplug you previously saved to the radio ...

Page 105: ...s a Radioddity GD 88 configuration has been read 12 1 Device Info This menu mainly refers to the general information of the device as provided by the manufacturer Factory Number With this number Radioddity can track the selling country or area of the product Notes Data will only be shown in the CPS after the codeplug has been read from the Radioddity DB25 D or GD 88 to the CPS Serial Number A sequ...

Page 106: ...ty Data will only be shown in the CPS after the codeplug has been read from the Radioddity DB25 D or GD 88 to the CPS Firmware Version It refers to the program controlled software version It indicates the non editable version of firmware Notes Data will only be shown in the CPS after the codeplug has been read from the Radioddity DB25 D or GD 88 to the CPS Version Data It is to indicate the date o...

Page 107: ...of your radio And the name can be found on the menu settings of your radio It can be composed by numbers symbols letters Chinese characters space and special characters etc with a maximum of 16 characters HAM operators would use their call sign Language Users can select a preset language from the device setting as menu display language for the Radioddity DB25 D or GD 88 Options English Chinese Def...

Page 108: ...Sensitivity This is used to adjust the VOX sensitivity level There are 12 levels where level 1 is the lowest and level 12 is the highest It is recommended to choose a suitable level to avoid triggering of VOX accidentally or having difficulty to trigger VOX at all Some elements such as component type using surroundings speaking volume of the user and so on should be considered so as to choose the ...

Page 109: ...this function according to the working environment and actual needs to set scan mode so as to improve scan efficiency Scan mode options CO Carrier Off scan Once radio receives a scanned signal over the air it will stay on that channel until signal disappears and then continue to scanning TO Time Out scan Once the radio receives a scanned signal over the air it will stay on that channel for a prese...

Page 110: ...io circuit will be turned on This setting is for the upper A channel Selection range Maximum value 9 Minimum value 1 Increment 1 Squelch circuit off 0 audio circuit normally open Default 4 Notes The higher the squelch level value is set the stronger the carrier signal needs to be Squelch B Level When receiving a carrier signal and its strength reaches the preset squelch level the audio circuit wil...

Page 111: ...dio Backlight ON OFF Users can enable this feature based on working environment and their actual needs It will help to save battery power and prolong battery life Options Off Screen Background Light is on the darkest condition On Screen lights on Auto Screen Background will turn off automatically if there is no operation within 1 minute Default On Keylock User can lock or unlock the keypads accord...

Page 112: ...ill not scan simplex channels with same TX RX frequency 3 When roaming is activated if there is no TX RX inter frequency channel repeater channels in the scan list after scanning the current selected scan list it will exit the roaming function 4 In roaming searching if the PTT key is pressed the radio will stop roaming and return back to preset Scan reply transmit Mode to initiate a call It will c...

Page 113: ...cessarily the one with the largest RSSI value in the channels of the scan list Strong RSSI Priority Once a repeater in the channels of the scan list with RSSI more than preset RSSI threshold value is searched by RSSI mode the radio will lock to the current channel and pause the strong signal auto roaming Then it will connect with the current repeater according to the preset Connect Check Timer If ...

Page 114: ...r Timer values Maximum 255s Minimum 0s Recommendation 60S Connect Repeater Check Timer When the available repeaters are searched by Auto roaming or RSSI roaming and the radio confirmed to lock at the currently available repeater then the roaming is paused Now the radio will transmit signals at regular intervals based on the preset Connect ReCheck Timer to connect with the current repeater If it fa...

Page 115: ...he received voice whenever radio is receiving TX Record the voice call whenever radio is transmitting TX RX Record the transmitting and receiving voice call Default OFF 12 3 Common Menus Users can disable or enable some menu options to show on the radio screen to prohibit or allow users to check and operate the menu items from the radio screen menu Users can tick the various boxes next to the opti...

Page 116: ...Profiles Select a predefined audio profile Mode Options Standard All prompt tones of radio parameters are on Silent All prompt tones of radio parameters are off Default Standard SMS prompt Once receiving a message the message Tone will be heard if this option is selected Mode Options off 1 5 Default 3 Private Call Tone Once receiving a private call the Private Call Tone will be heard if this optio...

Page 117: ...ay a prompt whenever the radio restarts roaming Mode Options off 1 5 Default 3 Repeater lock prompt Users can use the Repeater lock prompt option to play this prompt when the radio scanned for a repeater and locked to it Mode Options off 1 5 Default 3 Keytone You can turn on or off Keytone thru this parameter Options On Turn on Keytone Off Turn off Keytone Default On Keytone volume You can increas...

Page 118: ...e volume of the Low Battery Alert with this parameter Volume Range Maximum 13 Minimum 1 Increment 1 Default 10 Boot ringtone User could turn on or off the tone for radio power ON through this parameter Options On Turn on the power on prompt tone Off Turn off the power on prompt tone Default On Call hang up This parameter is only been evaluated in digital mode Depending on the settings of DMR Servi...

Page 119: ... status indicators of the radio thru this parameter Options On Turn on all working status indicators of the radio Off Turn off all working status indicators of the radio Default On TX Indicator You can activate or disable the working status of the LED indicator for transmitting thru this parameter Options On LED indicator is on when the radio is transmitting Off LED indicator is off when the radio...

Page 120: ... working status of the LED indicator for scanning thru this parameter Options On LED indicator is on and flashing when the radio is scanning Off LED indicator is off when the radio is scanning Default On Low battery Indicator You can activate or disable the working status of the LED indicator for battery voltage being less than the preset battery power level with this parameter Options On LED indi...

Page 121: ...is parameter Options Longest 5 0s Shortest 0 5s Increment 0 5s Default 2 0s Possible settings are as listed in the following paragraph Notes Short Press press and release quickly Long Press press and hold for the Long Press Duration time length Available Function for the Preset Keys Type Features Description Undefined Preset Key is not assigned to any special function High Low Power Allows users t...

Page 122: ...n target radio Radio Kill Disable a target radio remotely which can protect stolen or missed radios being used by others Being available only if enabled on target radio Remote Monitor Remotely activate Mic and Transmitter of a target radio and create a call silently without sending any indication or visual inspection message to the target radio etc Being available only if enabled on target radio M...

Page 123: ... E key of the radio base on one of the microphones programmable keys P4 P7 Volume Emulating the Volume key of the radio base on one of the microphones programmable keys P4 P7 VFO Turn VFO mode On or Off 12 7 Mic Gain You can turn the gain for the Microphone signal on or off and set the MIC gain level of the Radioddity DB25 D or GD 88 MIC Gain 1 refers to a microphone attached to the K1 socket of t...

Page 124: ...icrophone of the GD 88 and with the parameter turned On the transmitted radio microphone audio level will be amplified in accordance with the setup gain ratio of MIC Gain 2 It is advisable to align the gain for the same total volume level heard by the receiving station as other stations Within the DMR Brandmeister network the parrot functionality is excellent for checking the own volume level Opti...

Page 125: ...pre program up to 100 messages each message content up to 40 characters Valid characters include alphanumeric characters spaces and special characters Users can access the function through the Message menu function 12 9 DMR Service Users are allowed to turn on or off the advanced services through DMR Services if required ...

Page 126: ...omplished by pressing the preset Scan On Off key to turn the scan On or Off Remote Monitor Decode It allows the radio to receive and deal with the Remote Monitor command The radio will activate the microphone and transmitter and send the audio activities of the surroundings for the specific time programmed after receiving the Remote Monitor command No indication will be shown Options On Allow othe...

Page 127: ...and deal with the Remote Kill command The radio will be forbidden to be used which would be useful to protect a stolen or missing radio from being used by others Options On Allow and accept to be killed by other radios Off Forbid to be killed by others Default Off Notes The function may be assigned to one of the function keys For more details please check chapter 0 ...

Page 128: ...Radioddity Extended manual for Radioddity DB25 D GD 88 v2 0 Radioddity 2022 page 128 of 209 Preset Keys on page 121 ...

Page 129: ...send a Radio Detection command to a target radio to see whether it is active in the system and without showing any indications Options On Allow and accept to be detected by other radios Off Forbid other radios to detect this radio Default Off Notes The function may be assigned to one of the function keys For more details please check chapter 0 ...

Page 130: ...ve It allows the radio to receive and deal with the Radio Revive command and activate itself to be used again Options On Allow and accept to be revived by other radios Off Forbid other radios to revive this radio Default Off Notes The function may be assigned to one of the function keys For more details please check chapter 0 ...

Page 131: ... associated with the current channel After the specified time has expired the channel will transmit to the designated contacts digital group as programmed for the current channel Options Maximum 7000 ms Minimum 0 ms Increment 500 ms Default 3000 ms Private Call Hang Time The free time for Talk Around Private Call after releasing PTT key which can prevent more calling when you press PTT to transmit...

Page 132: ...m 500 ms Minimum 50 ms Increment 10 ms Recommendation 100 ms Default 60 ms DTMF Volume To adjust the volume of local playback sound of the DTMF code issued by the radio by setting this parameter Options Maximum 12 Minimum off Increment 1 Recommendation 8 Default 7 DTMF code By setting this parameter users can make the radio send out a set of DTMF codes in advance when PTT is pressed so as to achie...

Page 133: ...ity 2022 page 133 of 209 Preset Keys on page 121 GPS By setting this parameter users can turn on the GPS module Options Off Close the GPS On Open the GPS Default Off Notes The function may be assigned to one of the function keys For more details please check chapter 0 ...

Page 134: ...tor Default off Mandown By setting this parameter the Mandown alarm can be turned On or Off Default On Mandown Interval By setting this parameter the user can make the Radioddity GD 88 still send out the alarm at a certain interval before it exits the mandown state Recommended 5 min Mandown Angle By setting this parameter when the Angle between the falling and the horizontal surface of the Radiodd...

Page 135: ...t Keylock Password On Off This option and its value are not applicable for the Radioddity DB25 D or the GD 88 Please ignore it Keypad Password This option and its value are not applicable for the Radioddity DB25 D or the Radioddity GD 88 Please ignore it 12 10 APRS The APRS Automatic Packet Reporting System protocol has first been used back in the early 80s and got lot of extensions since then Wit...

Page 136: ... to a certain TalkGroup either as Private or as Group call depending on the DMR network and country region A total of 8 possible Digital APRS settings may be defined Within the channel definition one of those 8 digital APRS settings or the analog APRS setting may be selected for APRS Manual TX Interval s When using analog APRS an APRS packet beacon will be send out on the very first use of the PTT...

Page 137: ... color of the icon indicating the GPS status will remain red If set to GPS Location the icon indicating the GPS status will initially be colored red As soon as the GPS receiver has been able to receive at least 3 satellites the color of the icon will change to green Latitude degrees Latitude and Longitude define an exact position on earth The parameters Latitude and Longitude are used when Fixed L...

Page 138: ...ria test 433 8000 MHz Brazil 145 5700 MHz Chile 144 3900 MHz China 144 6400 MHz Colombia 144 3900 MHz Europe 144 8000 MHz Germany 432 5000 MHz Indonesia 144 3900 MHz Japan 144 6400 MHz Malaysia 144 3900 MHz Netherlands test 430 5125 MHz New Zealand 144 5750 MHz North America 144 3900 MHz Russia 144 8000 MHz South Africa 144 8000 MHz Taiwan 144 6400 MHz Thailand 145 5250 MHz Default 0 TX QT DQT It ...

Page 139: ...Delay and Prewave Time are responsible for the delay between automatic PTT activation for analog APRS and the actual transmission of the APRS beacon Time period Maximum 2550ms Minimum 0ms Increment 10ms Recommended 100 ms Transmit Power The output power for analog APRS can be set to either High or Low Options High Use 20W output power whenever a stronger signal is required to enhance the transmit ...

Page 140: ...ixed and message capable 1 2 3 4 generic additional station digi mobile wx etc 5 Smartphone user 6 Satellite or special operations Camping 7 walkie talkies HT s or other human portable 8 boats sailboats RV s or second main mobile 9 Primary Mobile usually message capable 10 internet iGate echolink winlink AVRS APRN etc 11 balloons aircraft spacecraft etc 12 APRStt DTMF RFID devices one way trackers...

Page 141: ...www aprs org symbols html Recommended setting for APRS Symbol Table Recommended Notes This parameter is only relevant for analog APRS APRS Map Icon Initially APRS supported just 192 different symbols This has recently been enhanced to several thousands The selected APRS Symbol Table in combination with the selected APRS Map Icon defines the symbol that will be used within sites such as https aprs ...

Page 142: ...yed on APRS service pages such as https aprs fi The following table list the most used icons and their corresponding APRS Symbol Table APRS Map Icon and SSID that are applicable for your DB25 D Notes We advise not to take any other combinations besides those listed Description APRS Symbol Table APRS Map Icon Icon SSID Human Person with HT 7 Car 9 Truck k 14 Station K 0 Table 0 Table 1 2 3 4 5 6 7 ...

Page 143: ...he APRS beacon and will be displayed alongside the Call sign on maps such as https aprs fi Recommended using Radioddity DB25 D or using Radioddity GD 88 No A total of 8 APRS reporting channel definitions is possible for digital APRS For each of those definitions you may specify a different Report Channel APRS TG Report Slot Call Type and PTT setting Notes This parameter is only relevant for digita...

Page 144: ...4999 2 Private Call Report Slot As digital APRS makes use of DMR repeaters we need DMR Tier 2 with its support for Time Slots This parameter defines the Time Slot to be used for transmitting your APRS beacon data You may either specify a specific Time Slot or just use the Time Slot of the currently selected digital channel Default Current Slot Call Type Depending on the digital network used by the...

Page 145: ...Contacts in the current channel or to copy ham contacts or Ham groups to the contact list which is convenient for you to call an associated contact or TalkGroup on a specified channel for communication If necessary you can create modify edit add delete the contacts and groups that are in your Contact list The capacity of this contact list can reach up to 2000 private contacts or groups including C...

Page 146: ...dress call 5 RawData 6 Define Data 7 SPDATA Normally only Call Type 1 Group call and Call Type 2 Private call are used If you need to update the imported contacts CSV file you need to re import the updated digital contacts CSV file to replace the previously imported contacts The format of the CSV file is as follows Serial No Contact ID Contact name Call Type Notes We advise to not use Excel but so...

Page 147: ...careful as to not try deleting more records than actually do exist To save the Contact list to the radio click on Write within the top menu selection of the CPS Do not forget to do that Ham contacts The Ham contacts is mainly used for high end users or amateur groups At the same time it allows users to create modify edit add and delete the ham contacts list through a CSV file or download the CSV f...

Page 148: ...0 records with their DMR ID Call sign Full name City State Province and Country If you need to update the imported contacts CSV file you need to re import the updated digital contacts CSV file to replace the previously imported contacts The format of the CSV file is as follows Radio ID DMR ID Alias Call sign Name City State Province Country Notes The HAM contacts CSV Format does not require a seri...

Page 149: ...am contacts this currently takes about an hour When you have imported the digital contacts CSV file you can select your desired friend contacts from it and then tick in the box next to serial number After all the required contacts have been selected press the copy button to copy the name and number of the selected contacts to the Contacts list which make it more convenient for you to call an assoc...

Page 150: ...f Ham groups If you need to update the imported Ham group CSV file you need to re import the updated Ham group CSV file to replace the previously imported Ham groups The format of the CSV file is as follows TG TalkGroup TS Notes The HAM Groups CSV Format does not require a serial number like the normal Contact List We advise to not use Excel but some plain text editor to edit CSV files such as htt...

Page 151: ...y create edit add delete contacts and groups within the Contact list The Contact list capacity can be up to 2000 private contacts including Contact name Contact ID and Call Type After you have imported the Ham groups CSV file you can press the button Write to transfer the data to the radio Only the hams groups will be written to the radio This is the only way to write Ham groups to the radio Notes...

Page 152: ...ups of scan lists can be setup with a maximum of 50 members per group Notes When Scanning is turned on and VFO A is currently selected the radio will no longer monitor VFO B When Scanning is turned on and VFO B is currently selected the radio will no longer monitor VFO A Scan List The user can edit rename or delete the name of the scan roaming list The maximum length of the Scan list name may need...

Page 153: ... Mode will be evaluated Scan TX Mode During scanning process it is allowed to initiate a call or reply back on the current channel by pressing the PTT key when a scanned signal disappeared or scanning stops Options Current channel Transmit only in the initial channel before the scan starts Last Operated Channel Transmit only in the last operated channel where the radio stays lastly or scan stops A...

Page 154: ...also remove any of the channel members from the Selected Channels window and the removed channel members will no longer participate in any activity of the scan roaming list members Any available channel can optionally be associate to the scan roaming list Click on one of the members within the Optional Channels window and press the button Add to add that member from the Optional Channels window to...

Page 155: ...ould be assigned to each channel Notes This feature is available only in digital mode 12 16 Zone Channel Zone is a collection of channels The user can customize the zone and channel capacity according to the actual needs A zone supports 1 3999 digital or analog channels Notes When editing channel information the user can select digital or analog channels based on the type of channels Zone name Use...

Page 156: ...e the current channel working mode from the following options Possible modes Analog Channel will become an analogue channel Digital Channel will become an analogue channel A D TX A Channel can receive both digital and analogue signal but will transmit analogue A D TX D channel can receive both digital and analogue signal but will transmit digital Default Analog 13 3 CH Name The display will show c...

Page 157: ...ower whenever a stronger signal is required to enhance the transmit range Low Use the low option for short range communication Default High 13 7 Only RX Each of the channels defined within a zone may be set for receive only Options On Limit the channel to only receive Off Transmitting and receiving is possible for that channel Default Off 13 8 Alarm Users can decide to show a visual notification w...

Page 158: ...MR Tier 2 makes uses of the Time Slot technique allowing two separate information channels to be transmitted using the very same physical channel Normally the Time Slots TS for TX and RX must be set to the very same Time Slot either 1 or 2 Whereas when operating a simplex station such as a simplex hotspot normally DMR Tier 1 is in place DMR Tier 1 does not make use of those Time Slots Whenever TX ...

Page 159: ...ible when TX and RX frequency are both the same select the option On for RX TS and TX TS within the channel definition All other required parameters are identical to those of a duplex channel Notes The option to set RX TS and TX TS to On is only available if RX and TX frequency are both the same and CH Mode is set to Digital 13 13 RX CC Color Code Users can assign a color code for a RX channel The...

Page 160: ...which message type to be used when they send a message to another radio Options Unconfirmed data When the radio received the message from the transmitter it will not reply Confirmed data When the radio received the message from the transmitter it will reply automatically Default Unconfirmed data Notes This parameter is only available in digital mode 13 16 TX Policy The Transmit Limit is represente...

Page 161: ...ignal and user identification is not encrypted The receiver must have the same encryption key and encryption type as the transmitter in order to decrypt the encrypted voice calls and receive encrypted data You can enable or disable the encryption of the channel by using a short press or by long press custom button Encryption On Off The radio uses the encryption settings of the selected channel to ...

Page 162: ...s channel for emergency usage To disable the use of the digital Alarm List select Off Before using the Emergency Alarm System it needs to be defined within the Digital Alarm list Notes This parameter is only available in digital mode Digital Alarm systems are not supported within Ham radio networks 13 22 Relay Monitor Users can set the radio to output the received signal to the speaker during the ...

Page 163: ... repeated on the selected output channel On the top line of the display you will see either A B if VFO A is the input channel and VFO B is the output channel or B A if VFO B is the input channel and VFO A is the output channel Sample settings only relevant parts shown The Radioddity GD 88 will receive on VFO A 144 100 MHz and transmit the received signal on VFO B 433 100 MHz acting as an analog cr...

Page 164: ... those two channels for VFO A and select the other channel as VFO B The analog or digital signal as received on the selected input channel will be repeated on the selected output channel Sample settings only relevant parts shown The Radioddity GD 88 will digitally receive on VFO A 144 100 MHz TS 1 CC1 and analog transmit the received signal on VFO B 433 100 MHz acting as a digital to analog crossb...

Page 165: ... for VFO A and select the other channel as VFO B The analog or digital signal as received on the selected input channel will be repeated on the selected output channel Sample settings only relevant parts shown The Radioddity GD 88 will analo receive on VFO A 144 100 MHz and digitally transmit the received signal on VFO B 433 100 MHz TS 1 CC1 acting as an analog to digital crossband repeater Notes ...

Page 166: ... the selected input channel will be repeated on the selected output channel Sample settings only relevant parts shown The Radioddity GD 88 will receive analog digital on VFO A 144 100 MHz and analog transmit the received signal on VFO B 433 100 MHz acting as an analog digital to analog crossband repeater Whenever an analog signal is been received only the channel name will be shown on the left of ...

Page 167: ... will receive analog digital on VFO A 144 100 MHz CC 1 TS 1 and digital transmit the received signal on VFO B 433 100 MHz with the CC TS and Contact as speciified acting as an analog digital to digital crossband repeater Whenever an analog signal is been received only the channel name will be shown on the left of the receiving VFO Whenever a digital signal is been received the DMR ID of the receiv...

Page 168: ... The Radioddity GD 88 will receive digital on VFO A 144 100 MHz CC 1 TS 1 and digital transmit the received signal on VFO B 433 100 MHz with the CC TS and Contact as speciified acting as a digital to digital crossband repeater The DMR ID of the received station will be shown on the left of the receiving VFO The transmitted DMR ID will be shown on the left of the transmitting VFO Notes If no contac...

Page 169: ...and the second one using TX TS2 and RX TS2 Both VFOs do share the same frequencies for TX and RX the same ColorCode for TX and RX the same digital contact of type GroupCall and the same RX Group containing at least that digital contact Then assign VFO A the SFR channel with TX TS1 and RX TS1 and VFO B the SFR channel with TX TS2 and RX TS2 If you have multiple Radioddity GD 88 set all of them up t...

Page 170: ... DB25 D and GD 88 support a total of 51 CTCSS Continuous Tone Coded Sub audio Squelch frequencies and 103 normal DCS codes and additional 103 inverted DCS codes CTCSS is often also called PL tone PL for Private Line a trademark of Motorola or just tone squelch A DCS Digital Coded Squelch often also called DPL Digital Private Line code in fact is a 134 4 bps sub audible bitstream of 12 data bits fo...

Page 171: ...N D664N D053N D155N D255N D365N D054N D156N D261N D371N D065N D162N D263N D071N D165N D265N D072N D172N D266N D073N D174N D271N D074N D274N Supported DCS I values reverse DCS 0nn 1nn 2nn 3nn 4nn 5nn 6nn 7nn D017I D114I D205I D306I D411I D503I D606I D703I D023I D115I D212I D311I D412I D506I D612I D712I D025I D116I D223I D315I D413I D516I D624I D723I D026I D122I D225I D325I D423I D523I D627I D731I D...

Page 172: ...m the transmitting radio Default Off 13 27 RX QT DQT RX CTCSS DCS Depending on the option selected as RX SQ this is the place to specify the CTCSS frequency or DCS DCS I code Default Off 13 28 TX SQ The user can select the encoder type or encoder value of CTCSS DCS or DCS I when the radio transmits the effective carrier signal The function can avoid the interference of the same frequency or indepe...

Page 173: ... 30 APRS Specify the APRS channel to be used when transmitting the APRS beacon Either one of the 8 digital APRS channels or the analog APRS definition may be assigned for APRS of this channel Options maximum 8 Minimum 1 Increment 1 APRS A Transmit the APRS beacon using analog APRS Off Turn off APRS for this channel Default Off Notes Analog APRS APRS A is currently only possible if the channel is a...

Page 174: ...rmware update In order to perform a firmware update the radio needs to be put into firmware upgrade mode first To do so 1 Turn off the radio 2 Close the CPS in case it had been running in order to make sure the virtual COM port of your programming cable is not occupied 3 Connect your Radioddity DB25 D or GD 88 via the supplied programming cable to your Windows PC 4 Press the P1 key on top of the R...

Page 175: ...ramming cable 11 Click on Open 12 If the updater can connect to your Radioddity DB25 D or GD 88 it will output IAP Successfully If it isn t able to connect to the radio it will stay on CommPort COMx where x represents the selected virtual COM port number of your programming cable If you forgot to shut down the CPS you will get a The COMM port is occupied or doesn t exit error ...

Page 176: ...radios even if those radios may be looking like the Radioddity DB25 D or Radioddity GD 88 Using files not intended to be put on a Radioddity DB25 D or a Radioddity GD 88 may result in a loss of any guarantee 15 Whereas a firmware update for the Radioddity DB25 D consists of just one file the Radioddity GD 88 does require two separate files One for each independent VFO A and B To select the target ...

Page 177: ...lication shows the progress by the increasing number of Current Page 18 As soon as the update has finished on the Radioddity DB25 D the radio will automatically shut down whereas the Radioddity GD 88 will state the following on its screen Status Rec Done If you have just updated one of the two GD 88 VFOs it is now time to select the second VFO long press of the upper side key and update it with it...

Page 178: ...ity Extended manual for Radioddity DB25 D GD 88 v2 0 Radioddity 2022 page 178 of 209 20 To check which firmware version currently is installed click MENU Device Info Version 21 The output will look similar to ...

Page 179: ...ctive Memory assignment for channels and zones now handled dynamically APRS now also transmits whenever under simulation Added a volume control method Do not push down the knob turn the knob to change the channel Push down the knob turn the knob to change the volume 2022 12 11 909E D4 EARSAB 008 Improved single VFO display full screen now utilized Factory reset reverts to the factory settings save...

Page 180: ...me of 30s and 60s Startup logo exchanged 2021 09 06 CPS 3 2 DMR CPS_DRS 9 2 1 No more unwanted changes of parameters Additional shortcut Ctrl S for saving the codeplug to the PC Display of readable text instead of codeplug block numbers within the communications window Update of built in help texts Headlines in channel definitions shortened and no longer truncated Renaming of GCL to RX Group withi...

Page 181: ...adioddity GD 88 16 1 Simplex analog FM operation with other station In order to setup the radio for simplex analog FM operation follow these steps 1 Add a new zone via Zone Channel Add and give it a Zone Name of simplex FM The new zone will be created and will already contain a channel of either CH mode being analog or digital 2 Setup the channel for CH mode being Analog 3 Give the channel a CH Na...

Page 182: ... want to connect to Best source for such is to check with your local HAM radio club or some other local ham operator You will need the following details TX frequency of repeater becomes your RX frequency RX frequency of repeater becomes your TX frequency Any CTCSS or DCS encoding or decoding required Pilot tone required Which frequency e g 1750 Hz In order to setup the radio for operating your loc...

Page 183: ... equivalent at your Radioddity DB25 D or GD 88 Now you are ready for your very first QSO routed via your local repeater 16 3 Analog FM operation including analog APRS Using analog APRS does require a bunch of settings to be made within the APRS menu of the Radioddity DB25 D GD 88 CPS For initial testing we advise to use a beacon with a fixed location 1 representing the latitude and longitude 2 of ...

Page 184: ...n the Contacts menu define a Contact Name with the corresponding Contact ID DMR ID of the other station you plan to call Set the Call Type to Private Call e g 2 Add a new zone via Zone Channel Add and give it a Zone Name of simplexDMR The new zone will be created and will already contain a channel of either CH mode being analog or digital 3 Setup the channel for CH mode being Digital 4 Give the ch...

Page 185: ...otspot In order to setup the radio for simplex digital DMR operation follow these steps 1 Within the Contacts menu define a TalkGroup Contact Name with the corresponding Contact ID DMR ID you plan to use Set the Call Type to Group Call e g 2 Next Create an RX Group that does contain the previously created TalkGroup e g 3 Add a new zone via Zone Channel Add and give it a Zone Name of simplex HS The...

Page 186: ...e TalkGroup as previously defined e g TG 99 14 Set Encryption to Off 15 Set APRS to Off for now Write your settings to the radio Do not forget to switch to Zone simplex HS and select channel HS TG 99 at your Radioddity DB25 D or GD 88 Now you are ready for your very first simplex digital DMR QSO using your hotspot 16 6 Duplex digital DMR operation with Dual HAT hotspot In order to setup the radio ...

Page 187: ... radio with a hotspot probably just a few meters apart from your DB25 D or GD 88 8 Set PCT to Patcs 9 Set RX TS and TX TS both to the required Time Slot 10 Set RX CC and TX CC both to the value required by your local hotspot 11 Set TX Policy to Impolite 12 Within the field Contacts of the channel definition select one of the contacts as defined 13 Assign the previously assigned RX Group to that ch...

Page 188: ... as a container for all TalkGroups that do require Time Slot 1 name that one TS 1 and the second RX group for those TalkGroups requiring Time Slot 2 name that TS 2 accordingly e g RX Group TS 1 RX Group TS 2 3 Add a new zone via Zone Channel Add and give it a Zone Name e g name it according to the local repeater s call sign you plan to use e g DB0OHL The new zone will be created and will already c...

Page 189: ...ssign the previously assigned RX Group s to the channel s Make sure that the contact you assigned in the previous step if of Call Type Group Call is also a member of the specific RX Group 14 Set Encryption to Off 15 Set APRS to Off for now Write your settings to the radio Do not forget to switch to Zone My Hotspot and select channel HS WW at your Radioddity DB25 D or GD 88 Now you are ready for yo...

Page 190: ...nna is matched for 2m 70cm frequency band Notes If using an external switching power supply for operating the Radioddity DB25 D at your home make sure that the cable for the antenna and for the power supply are routed as far away from each other as possible If you encounter sudden reboots of the radio put an additional clip on ferrite on the power cable close to the radio 17 3 GPS antenna connecto...

Page 191: ...icrophone Power Off if connected to GND 1 Grey n c PTT Radio RXD Data to Radio 2 Blue 5 Microphone Audio 3 White 3 Cable Shield analog ground 4 Silver 4 Radio TXD Data from Radio 5 Yellow n c Signal Ground 6 Black 6 8V 7 Red 7 Speaker Audio 8 Green 8 Numbers as stated on the Speaker Microphone internal PCB 17 5 K1 connector of DB25 D At the left side of the radio there is a K1 socket with the foll...

Page 192: ...dio via a 2 pin spring type connector that seals with the battery Attention Do not charge the radio while operating as such may cause damage to the charger 17 8 K1 connector of GD 88 At the right side of the radio there is a K1 socket with the following pin assignment Signal name K1 PTT Radio RXD Data to Radio 3 5 mm sleeve Microphone 3 5 mm ring 5V via 100 Ω 3 5 mm tip GND 2 5 mm sleeve Radio TXD...

Page 193: ...pe Dual band Dual standby Dual mode Digital mode TDMA 2 Time Slot technology Tier 1 and Tier 2 Digital vocoder AMBE 2 Digital agreement ETSI TS 102 361 1 2 3 Zones 16 Channel Capacity Up to 4000 250 Channels per Zone PLL Channel Spacing 12 5 kHz 25 kHz Operating Temperature 20 C 60 C Antenna Impedance 50 Ω Rated Voltage 13 8 V DC 10 Current Consumption Standby 0 1 A Receive 0 3 A Transmit 3 A Dime...

Page 194: ...0 dB Rated audio 500 mW Audio Distortion rated audio 5 FM hum noise 40 dB 12 5 kHz 45 dB 25 kHz Audio response 1 dB 3 dB Conducted radiated emission 57 dBm 18 3 Transmitter of the DB25 D Parameter VHF UHF Frequency Range 144 148 MHz 420 450 MHz Channel Spacing 12 5 kHz 25 kHz Frequency stability 20 C 25 C 1 5 ppm Low Power 5 W 5 W High Power 20 W 20 W FM modulation Type 12 5 kHz 11KOF3E 25 kHz 16K...

Page 195: ... mm Weight 317 g Battery The average battery life under 5 5 90 duty cycle and using carrier squelch and TX high power with 3000mAh LiPo battery Analog 15 hours Digital 23 hours 18 5 Receiver of the GD 88 Parameter VHF UHF Frequency Range 136 174 MHz 400 480 MHz Operating Bandwidth 5 kHz 12 5 kHz 7 kHz 25 kHz Frequency stability 20 C 25 C 1 5 ppm IFs mixing 45 MHz in segment A mixing 51 550 MHz in ...

Page 196: ...5 kHz 11KOF3E 25 kHz 16KOF3E Modulation restriction 2 5 dB 12 5 kHz 5 dB 25 kHz FM hum noise 40 dB 12 5 kHz 45 dB 25 kHz Conducted radiated emission 36 dBm 1GHz 30 dBm 1 GHz Adjacent channel selectivity 60 dB 12 5 kHz 65 dB 25 kHz Maximum Deviation 2 5 kHz 12 5 kHz 5 0 kHz 25 kHz Spurious Emission 65 dB below carrier Audio Response 1 dB 3 dB Audio Distortion 3 4FSK digital modulation 12 5 kHz data...

Page 197: ...oddity GD 88 are both certified according to FCC part 90 They may also be sold in the European Community as both radios are also conformant to the European regulations This is attested by the following certificates 19 1 FCC part 90 approval for DB25 D Below you find a copy of the FCC part 90 approval for our Radioddity DB25 D mobile radio ...

Page 198: ...ty Extended manual for Radioddity DB25 D GD 88 v2 0 Radioddity 2022 page 198 of 209 19 2 FCC part 90 approval for GD 88 Below you find a copy of the FCC part 90 approval for our Radioddity GD 88 handheld radio ...

Page 199: ...Radioddity Extended manual for Radioddity DB25 D GD 88 v2 0 Radioddity 2022 page 199 of 209 ...

Page 200: ...dioddity Extended manual for Radioddity DB25 D GD 88 v2 0 Radioddity 2022 page 200 of 209 19 3 CE certificate for DB25 D Below you find a copy of the CE certificate for our Radioddity DB25 D mobile radio ...

Page 201: ...dioddity Extended manual for Radioddity DB25 D GD 88 v2 0 Radioddity 2022 page 201 of 209 19 4 CE certificate for GD 88 Below you find a copy of the CE certificate for our Radioddity GD 88 handheld radio ...

Page 202: ...Radioddity Extended manual for Radioddity DB25 D GD 88 v2 0 Radioddity 2022 page 202 of 209 ...

Page 203: ...Radioddity Extended manual for Radioddity DB25 D GD 88 v2 0 Radioddity 2022 page 203 of 209 ...

Page 204: ...Radioddity Extended manual for Radioddity DB25 D GD 88 v2 0 Radioddity 2022 page 204 of 209 ...

Page 205: ...ve set it for Dual Channel Mode Display Contact details not shown during conversation Make sure that the Ham contacts have been imported from a CSV file sorted by ascending DMR IDs If you want all details make sure you did the 128 bytes record import and turn off Dual Channel mode MENU press knob Local Set DisplayMode S D Mode Sw MENU press knob to change setting When the indicator turns GREEN you...

Page 206: ...of our CPS Radio reboots whenever I press PTT Use an external antenna suitable for the 2m and 70cm band connected via an antenna cable to the radio Use clip on ferrites and place one of those on the power cord close to the radio body Route the power cord and antenna cable separate as far away from each other Directly wire the radio to the car battery without using the cigarette lighter socket Ofte...

Page 207: ...aller The radio had incorrectly programmed an analog repeater in digital mode I can no enter the radio menu by using the channel knob Make sure that you have not activated the keypad lock To unlock long press the ENC button When operating in analog mode and releasing the PTT there is a delay of about 30 seconds before I can hear someone else Check if your currently selected channel is also a membe...

Page 208: ...bsite by following these steps https www radioddity com Support Radioddity click on DB25 D or GD 88 As for the Radioddity DB25 D the resulting support page will look similar to the following As soon as any new file becomes available such as firmware updates updated manuals or others it will be published within our support area Notes The Manual paragraph is underneath the Software paragraph Use the...

Page 209: ...if you are missing a feature you would have expected write an email to support radioddity com In general the software and firmware updates for your Radioddity DB25 D and Radioddity GD 88 are free of charge Using a CPS or a firmware not originating from Radioddity may void your warranty Thank You for Shopping at Radioddity FIND TUTORIALS SUPPORT AND MORE AT https www radioddity com https www facebo...

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