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Syn-Tech III P25 Portable Radio

OPERATION MANUAL

680-090-2040
Version 5.0eng

http://www.midlandradio.com

8.2 Transmitter

Specifications

TRANSMITTER SPECIFICATIONS

VHF

UHF

Frequency Range

136-174 MHz

380-470 MHz

Frequency Separation

Full Bandsplit

Channel Spacing

12.5 / 20 / 25 / 30 kHz

Frequency Step

2.5 / 3.125 kHz

Rated RF Output Power *

1-5 W

Frequency Stability *
(-30

C / +60

C; 25

C ref)

2.5 ppm

1.5 ppm

Modulation Limiting *
Analog 25 kHz channel
Analog 12.5 kHz channel

5.0 kHz

2.5 kHz

5.0 kHz

2.5 kHz

C4FM Modulation Fidelity **
RMS Error
C4FM Deviation

≤

2 %

1800

100 Hz

≤

2 %

1800

100 Hz

Spurious Emissions *
(Conducted and Radiated)

≤

-70 dBc

≤

-70 dBc

Audio Frequency Response *
(6 dB/Octave Pre-emphasis
from 300 to 3000 Hz)

+1, -3 dB

Hum and Noise Ratio
Analog 25 kHz channel *
Analog 12.5 kHz channel *

≥

52 dB

≥

46 dB

≥

46 dB

≥

40 dB

Audio Distortion *

≤

1 %

≤

1 %

* Measured in the analog mode per EIA-603 under nominal conditions.
** Measured in the digital mode per TIA-102.CAAA under nominal conditions.

Содержание Syn-Tech III P25

Страница 1: ...Syn Tech III P25 Portable Radio OPERATION MANUAL 680 090 2040 Version 5 0eng http www midlandradio com Midland Syn Tech III P25 Portable Radio OPERATION MANUAL...

Страница 2: ...lling and using your radio please read this operation manual CUSTOMER ASSISTANCE Should you encounter any problems with this product or are unable to use its features please review this operation manu...

Страница 3: ...Avoid storing the radio at temperatures below 40 C or above 85 C WARNINGS Your Midland Syn Tech III P25 Portable Radio generates electromagnetic RF energy when it is transmitting To ensure that you an...

Страница 4: ...xposing person s to excess radio frequency radiation You may contact your radio dealer or the manufacturer for further information DO NOT transmit more than 50 of total radio use time 50 duty cycle Tr...

Страница 5: ...ace Extensive user prompts alerts and warnings Flexible accessory connections Microprocessor controlled DSP based audio Flash memory Synthesized frequency control Extensive use of surface mount techno...

Страница 6: ...ntity CDCSS Continuous Digital Coded Squelch System CTCSS Continuous Tone Controlled Squelch System DCS Digital Coded Squelch DES Data Encryption Standard DSP Digital Signal Processing GPS Global Posi...

Страница 7: ...Index 6 3 2 7 Power Adjust long press Mode Change short press key 6 3 2 8 Monitor long press Call Wait Option short press key 6 3 2 9 Keypad Lock short press Emergency Reset long press key 6 3 2 10 S...

Страница 8: ...ssed Calls 39 4 2 6 Transmitting Digital Telephone Interconnect Calls 40 4 2 7 Receiving a Digital Call Alert 41 4 2 8 Transmitting a Digital Call Alert 41 4 2 9 Receiving and Sending Non voice Messag...

Страница 9: ...0 090 2040 Version 5 0eng http www midlandradio com 1 1 INTRODUCTION 1 1 Package Contents The following items are in your Midland Syn Tech III P25 Portable Radio package The desktop charger and wall a...

Страница 10: ...while installed or removed from the radio 2 2 1 Installing the Battery 1 With the belt clip facing up and LCD facing down position the battery leaving approximately inch space between the top of the...

Страница 11: ...tact the mating pads in the charger 4 Observe that the red light on the front of the charger glows red to indicate that the radio is properly seated and the charger is operating in fast charge mode 5...

Страница 12: ...Syn Tech III P25 Portable Radio OPERATION MANUAL 680 090 2040 Version 5 0eng http www midlandradio com 4 3 Radio Controls and Indicators 3 1 Side Top and Front Views...

Страница 13: ...annel In any other position the radio will power on to the switch selected channel 3 2 2 Emergency Call Button The emergency button initiates emergency mode The emergency function is only available in...

Страница 14: ...igital clear and digital encrypted transmit modes A default mode is set each time the channel is selected 3 2 8 Monitor long press Call Wait Option short press key A long press of this key turns monit...

Страница 15: ...ions with successive presses The available functions depend on analog digital mode In digital mode the talk group select all call talkaround and home functions may be available In analog mode the talk...

Страница 16: ...igital mode The current status is used when sending status to other users or when other users request the current status The current status may also be set under MENU STATUS PRESENT STATUS Sending cur...

Страница 17: ...s only available in digital mode Call alert transmissions may be disabled by radio programming 3 2 12 6 Transmitting a Selective Call Successive presses of the key may prompt SELECTIVE CALL to transmi...

Страница 18: ...available characters Pausing for more than a second will accept the displayed character and move the cursor right one space A short press of the Scan Clear key deletes the previous character and move...

Страница 19: ...Transmit icon appears when the radio is set to transmit in analog mode with CTCSS This CDCSS Transmit icon appears when the radio is set to transmit in analog mode with CDCSS This Analog Talkaround Tr...

Страница 20: ...ansmit power level is selected This Low Power icon appears when low transmit power level is selected This Tone Squelch icon appears when channel is set to receive a CTCSS or CDCSS signal This Call Wai...

Страница 21: ...rease the speaker volume Rotate the knob counter clockwise to decrease the speaker volume Rotate the knob counter clockwise past the detent to turn the radio off While the radio is performing power on...

Страница 22: ...rt and organize the channels To select a new zone press the pound key then use the Up Down keys to scroll through the available zones The new zone number may also be entered using the keypad Press the...

Страница 23: ...Version 5 0eng http www midlandradio com 15 A new zone may also be selected using MENU CHANNEL PARAMETERS ZONES Use up down to select Zones Use up down to select new zone Use up down to select Channe...

Страница 24: ...annel in the zone may be selected using the up down keys or alpha numeric keypad While the channel switch is in the sixteenth position the up down keys may be used to increment or decrement the channe...

Страница 25: ...igital Received Signal Type icon A relative value of signal strength is also indicated by the Receive Signal Strength icon If the channel s digital reception parameters are met the received audio is h...

Страница 26: ...nge key repeatedly until analog transmit mode is displayed Depending on channel programming the analog transmit mode may display as carrier squelch CTCSS squelch or CDCSS squelch 2 Ensure that the cha...

Страница 27: ...the correct talk group ID is selected 3 Ensure that the channel is clear 4 Press and hold the push to talk key PTT The Transmit Receive LED will light red while transmitting 5 Hold the microphone appr...

Страница 28: ...ransmissions If the Time Out Time is exceeded release PTT and wait for the channel to be available again The Time Out Time may be set from 15 225 seconds in radio programming 4 1 5 4 Busy Channel Lock...

Страница 29: ...ree transmit power levels which are selected with successive long presses of the Power Adjust Mode Change key The actual transmit power associated with each level is set in radio programming To switch...

Страница 30: ...ne s talk group list the radio will not allow the talk group selection Each zone in the radio may have all valid talk groups assigned to it This allows any talk group to be selected by repeatedly pres...

Страница 31: ...radio com 23 The zone s talk group list may be viewed and a new talk group may also be selected from MENU CHANNEL PARAMETERS GROUPS Use up down to select Channel Parameters Use up down to select Group...

Страница 32: ...y YES The radio will switch it s transmit frequency parameters to those programmed for receive The Analog Talkaround icon or Digital Talkaround icon is displayed while talkaround mode is active The ra...

Страница 33: ...ption key for more than one second to turn the monitor function on The function of the monitor button depends on radio programming If Monitor Channel is enabled the monitor function will disable the s...

Страница 34: ...monitor function allows all NACs and talk groups to be received on digital and mixed channels While monitor is on a long press of the Monitor Call Wait Option key turns monitor off Long press Monitor...

Страница 35: ...e is on While the call wait option is on all normal group calls will be muted If an individual call with matching destination ID or all call is received the call will be heard and the call wait option...

Страница 36: ...ority channel may be assigned to each zone in radio programming All channels in the selected zone s scan list will be scanned If MENU is pressed or the portable channel knob is changed scan is cancele...

Страница 37: ...w midlandradio com 29 If PTT is pressed while scan is paused on a channel the radio will transmit on the pause channel Radio receives signal while scan is on Press PTT to transmit on pause channel Rel...

Страница 38: ...sing MENU CHANNEL PARAMETERS CHANNEL SCAN If a is displayed above the channel name the channel is currently in the scan list If is displayed above the channel name the channel is not in the scan list...

Страница 39: ...d Press the Keypad Lock key to lock the alpha numeric up down scan and left and right soft keys While the keypad is locked press the Keypad Lock key then press the left soft key UNLOCK to unlock the k...

Страница 40: ...me is displayed Then press the left soft key OK to switch to the home zone and channel If the channel switch is not in the sixteenth position the radio will switch to the home zone and the channel sel...

Страница 41: ...may not appear or may have a reduced view only function 4 2 1 Receiving Emergency Calls When an emergency alert transmission is received the radio sounds and displays the emergency alert and displays...

Страница 42: ...ency transmissions on the current channel The radio will automatically transmit five emergency alert transmissions and set the emergency bit on all user initiated transmissions until the emergency is...

Страница 43: ...ndvidual calls 4 2 3 1 Receiving Unacknowledged Individual Calls When an unacknowledged individual call is received the radio will enter individual call mode The radio will automatically use the recei...

Страница 44: ...jected response If the call is unanswered the display will show the missed call If the call is accepted the radio will enter individual call mode and use the received source ID as the destination ID i...

Страница 45: ...4 1 Transmitting Unacknowledged Individual Calls Repeatedly press the pound key until INDIVIDUAL is displayed Enter the unit ID or press the left soft key INDEX to select from the address book Press t...

Страница 46: ...ledged individual call press INDEX then scroll to the desired unit ID While the unit ID is displayed press the pound key The radio will send up to four individual call requests If the receiving radio...

Страница 47: ...d call mode repeatedly press the star key until ENTER TO UNADDRESSED VOICE CALL is displayed then press the left soft key YES The radio will now transmit with reserved talk group FFFF To exit unaddres...

Страница 48: ...dialing digits then press the left soft key CALL The radio will send up to four telephone interconnect requests If the telephone interconnect request is successful the radio will enter telephone call...

Страница 49: ...r 4 2 8 Transmitting a Digital Call Alert Repeatedly press the pound key until CALL ALERT is displayed Enter the destination unit ID or press the left soft key for INDEX Press the left soft key SEND t...

Страница 50: ...elected from the predefined message list of 20 messages of maximum 20 characters and the message pointer is transmitted to the other radio Status messages are common status settings among all radios A...

Страница 51: ...view the last twenty received SMS messages from MENU SMS RECEIVED MESSAGES The icon indicates unread messages and will remain on until all new messages have been viewed Within the Received Messages me...

Страница 52: ...r the destination ID or select it from the index Sending SMS messages may be disabled by radio programming When SMS is disabled SENT MESSAGES and MSG EDIT will not appear on the SMS menu The radio wil...

Страница 53: ...9 3 Receiving Predefined Messages When a predefined message is received the corresponding text is pulled from the database and displayed along with the source ID You may also view the last ten receive...

Страница 54: ...ter the destination ID or select it from the index Sending predefined messages may be disabled in radio programming When predefined messages are disabled the message list may still be viewed but prede...

Страница 55: ...sent status will be reset to the first status option in the list 4 2 9 6 Receiving Status When a status message is received the corresponding text is pulled from the database and displayed along with...

Страница 56: ...ination ID or use the index to select it then press SEND to transmit your current status Transmitting status may be disabled in radio programming When status transmissions are disabled SEND STATUS and...

Страница 57: ...r the destination ID or select it from the index then press SEND to request another radio s status Transmitting status may be disabled in radio programming When status transmissions are disabled SEND...

Страница 58: ...MENU CHANNEL PARAMETERS CHANNELS Enter the channel edit password then press OK Choose the appropriate channel then press SELECT Then change the appropriate parameters The channel programming access p...

Страница 59: ...y press tone volume 112 CALL ALERT Adjust call alert tone volume 19 FACTORY SETTINGS note 1 191 RESTORE SETTINGS Restore settings menu items to factory settings 18 GREETING MSG Edit turn on greeting m...

Страница 60: ...charge cycle count TYPE View battery type VOLT CURR TEMP View battery voltage current temperature TERMINAL IP ID View IP address RADIO NAME SYSTEM NO View system ID 63 HARDWARE UNIT RF CARD FRONT Vie...

Страница 61: ...password on off 152 PASSWORD CHANGE Change turn on password enter confirm 14 ACCESSORY 141 EXTERNAL ACCESSORY Use external accessory yes no 143 VOX portable only VOX MODE Enable VOX on off VOX LEVEL...

Страница 62: ...SERIAL NO View electronic serial number WACN View wide area communication network ID IDENT View digital unit ID ANI SC ACK View analog IDs 65 MEASUREMENT 651 RSSI Measure receive signal strength 653...

Страница 63: ...ctions are unavailable when the Status option is disabled in radio programming note 6 This selection is unavailable when the Channel Programming option is disabled in radio programming note 7 This sel...

Страница 64: ...exibility and reliability in difficult working conditions ACCESSORY MIDLAND P N Replacement antenna 146 155 MHz ACC155 Replacement antenna 154 164 MHz ACC154 Replacement antenna 163 174 MHz ACC163 Rep...

Страница 65: ...g the radio and accessories to cleaning solvents aerosol sprays adhesive agents paints etc Chemical reactions with such agents will destroy seals case display and finish If the radio is exposed to dir...

Страница 66: ...0sec This is a battery discharge mode Charger LED blinking orange Faulty battery Replace the battery with a new Midland replacement battery No display on LCD when radio is turned on Battery is dischar...

Страница 67: ...n Algorithms DES OFB AES Channel Capacity 999 Operating Voltage Range 7 5 Vdc 20 6 0 9 0 Vdc St by Current Drain backlight off 25 mA with Power Save 65 mA without Power Save RX Current Drain 240 mA TX...

Страница 68: ...Low Pressure 500 1 I 500 2 II 500 3 II 500 4 II High Temperature 501 1 I II 501 2 I A1 II A1 501 3 I A1 II A1 501 4 I Hot II Hot Low Temperature 502 1 I 502 2 I C1 II C2 502 3 I C1 II C2 502 4 I C1 II...

Страница 69: ...C ref 2 5 ppm 1 5 ppm Analog Sensitivity 12 dB SINAD Digital Sensitivity 5 BER 1 BER 119 dBm 120 dBm 117 dBm 118 dBm 119 dBm 116 dBm Adjacent Channel Rejection Analog 25 kHz channel Analog 12 5 kHz c...

Страница 70: ...bility 30 C 60 C 25 C ref 2 5 ppm 1 5 ppm Modulation Limiting Analog 25 kHz channel Analog 12 5 kHz channel 5 0 kHz 2 5 kHz 5 0 kHz 2 5 kHz C4FM Modulation Fidelity RMS Error C4FM Deviation 2 1800 100...

Страница 71: ...ement product to the site of its use and for the reinstallation of the product Midland shall have no obligation to make repairs or to cause replacement required which results from normal wear and tear...

Страница 72: ...Syn Tech III P25 Portable Radio OPERATION MANUAL 680 090 2040 Version 5 0eng http www midlandradio com 64 5900 Parretta Drive Kansas City MO 64120 http www Midlandradio com...

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