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Motorola GM300 Series, Selling Manual

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Motorola GM300 Series Selling Manual Download Page 33

Squelch Features

2-15

6.2.2

Channel Free Beep

If a transmission attempt fails due to Transmit Admit Criteria not being satisfied, a Channel Free
Beep is sounded as soon as the criteria are satisfied.

Benefits

User is advised as soon as they are permitted to transmit; particularly useful on a busy
channel.

Message can be sent as soon as possible.

Don’t have to waste time re-trying to transmit.

7.0

Squelch Features

7.1

Receive Squelch Mode

Squelch settings are used to keep the radio’s loudspeaker turned off unless the required type of
signal is detected. The default squelch mode of the radio when it is first turned on can be set as any
of the following:

Open Squelch (Hear all background noise)

Carrier Squelch (Only open squelch if Carrier is detected)

PL/DPL Squelch (Only open squelch if the correct PL/DPL is received)

Tone Squelch (Only open if the correct 5 tone signal is received)

Tone & PL/DPL (Only open if correct 5 tone and PL/DPL are received)

7.2

PL/DPL Squelch Codes

PL/DPL squelch can be explained to customers as a way to stop them hearing communications
between other users on the same channel who are not in their group (on the same PL/DPL). It
allows several groups within an organisation to share the same channel.

PL codes are often used to access community repeaters.

Each channel can be programmed with separate encode and decode PL/DPL codes.

PL codes can be set between 65 and 255Hz, in 0.1Hz steps.

DPL has 103 codes between 023 and 754.

7.2.1

PL Squelch

PL squelch can be:

Standard: squelch requirements are satisfied when its PL is present

Reverse: squelch requirements are satisfied when its PL is not present

Summary of Contents for GM300 Series

Page 1: ...Professional Radio GM300 Series Selling Guide 68P64114B38 Issue July 2000 ...

Page 2: ...he copyrighted computer program Accordingly any copyrighted Motorola computer programs contained in the Motorola products described in this manual may not be copied or reproduced in any manner without the express written permission of Motorola Furthermore the purchase of Motorola prod ucts shall not be deemed to grant either directly or by implication estoppel or otherwise any license under the co...

Page 3: ... 3 6 Radio Sales Models 1 10 3 7 Packaged Sales Models 1 10 3 8 Customer User Guides 1 11 3 9 Accessories 1 12 Chapter 2 FEATURES AND BENEFITS 1 0 Introduction 2 1 2 0 Audio Quality Enhancement 2 1 2 1 Xpand Voice Compression 2 1 3 0 Channels 2 2 3 1 Number of channels 2 2 3 2 Channel Alias 2 2 3 3 Channel Selection 2 2 3 4 Memory Channel 2 3 3 5 Repeater Talkaround 2 3 3 6 Dual Power Levels 2 4 4...

Page 4: ...2 Signalling Standards 2 25 9 3 G R Tone Redefinition 2 25 9 4 Single Tones 2 26 10 0 5 Tone Select 5 Encode Sequences 2 26 10 1 Telegrams 2 26 10 2 Contact List GM360 GM380 2 27 10 3 Status Lists GM360 GM380 2 27 10 4 Address and Status Multicall GM360 with SMART mic GM380 2 27 10 5 Dedicated Call Buttons Call 1 2 3 and 4 2 28 10 6 Telegram on PTT 2 28 10 7 Side Tones On Off 2 29 11 0 DTMF 2 29 1...

Page 5: ...rd Support 2 39 14 1 Voice Recorder 2 39 15 0 User Indications 2 40 15 1 Display GM360 GM380 2 40 15 2 Menu and Prompts GM360 GM380 2 40 15 3 Keypad GM360 with SMART mic GM380 2 41 15 4 Backlight GM360 GM380 2 41 15 5 Alerts 2 41 16 0 Installation 2 42 16 1 Control Heads 2 42 16 2 Remote Mount 2 42 17 0 Other Dealer Benefits 2 43 17 1 Password Protection of the Codeplug 2 43 18 0 Radio Feature Com...

Page 6: ...vi ...

Page 7: ...onjunction with a radio on a live system This hands on experience will provide you with valuable knowledge which will help you explain the benefits of the GM300 Series to your customers 1 1 How to use this Selling Guide The Selling Guide is divided into two chapters Chapter 1 This chapter is a general Product Overview of the New GM Series of Professional Radios with a more detailed description of ...

Page 8: ...nking signalling For further information on GM100 GM600 and GM1200 Series radios please refer to the relevant Product Manuals which are listed in your Price Pages 2 1 A Common Design Approach All the radios in the GM Series share a common design the latest RF and semiconductor technology has been used to produce wideband and fully synthesised radios that offer All the radios share a common appeara...

Page 9: ...to the evolving needs of your customers 2 3 Quality Assurance 2 3 1 Accelerated Life Testing Each model in the GM Series has passed the Motorola Accelerated Life Test ALT This testing simulates 5 years hard use in the field and all Motorola radios pass this rigorous test 2 3 2 Environmental Protection All GM Series radios have been designed and tested by Motorola to meet the European standard spec...

Page 10: ...elective signalling Research showed that different professions have different communication needs To help you provide different communication solutions for your customers each radio offers a distinct choice of features which you can easily customise using programming software and a suitable personal computer The radios in the GM300 Series can be configured to provide on site or local area coverage...

Page 11: ...ow additional functionality to be added quickly and easily MAEPF 26781 O Interchangeable Programmable Button 2 P2 Channel Selector Buttons 1 2 3 4 Red Yellow Green LED Indicators Interchangeable Button 1 P1 Microphone Jack Knob On Off Volume Programmable Channel Indicator LEDs 4 Who is the target audience for this radio The GM340 is the affordable communication solution for professionals who may r...

Page 12: ...ttons P1 and P2 Buttons P3 and P4 Channel Selector or Menu Navigation Up Down Left Right Menu Select Button Exit Button Display 1 line 14 characters Interchangeable Interchangeable Who is the target audience for this radio The GM360 is the ideal communication solution for professionals who require an informative versatile radio which offers an increased choice of communications methods all of whic...

Page 13: ...D Indicators Microphone Jack Knob On Off Volume Programmable Buttons P1 and P2 Buttons P3 and P4 Channel Selector Menu Navigation Up Down Left right Menu Select Button Exit Button Programmable Buttons F1 F2 and F3 Keypad Display 4 lines of 14 characters Interchangeable Interchangeable Who is the target audience for this radio The GM380 is the ideal management communication solution which with its ...

Page 14: ...mparison GM340 GM360 GM380 On off volume control Channel control Red yellow green LEDs 5 Tone signalling Option boards Radio Upgrades 14 Character alphanumeric display 1 Line 4 Line Menu keys Keypad with 0 9 and Programmable buttons P1 P2 External Alarm Channel Steering Programmable Buttons P1 P2 1 4 Programmable Buttons P1 P4 Programmable Function Keys F1 F3 External Hook Display Backlight Contro...

Page 15: ...s at your fingertips Up to 6 communication channels GM360 All the advantages of the GM340 plus Helpful visual operational information Includes Current Power setting Contact Names and Status Text messages Translated Menu Prompts Additional feature capability accessible via easy to use dealer configurable menus including pre programmed call lists 255 Communication channels GM380 All the advantages o...

Page 16: ...e following items Radio Basic User Guide Enhanced Compact Microphone Power Cable Low Profile Trunnion External Loudspeaker GM380 models only Options are available please check your Price Pages for details Table 1 2 Radio Sales Models Model Description Frequency Band Frequency Range Power Level Model Number GM340 VHF 136 174 MHz 1 25W MDM25KHC9AN1_E GM340 UHF 403 470 MHz 1 25W MDM25RHC9AN1_E GM360 ...

Page 17: ...nformation Please ensure your customers receive this booklet when they receive their radio 3 8 2 Feature User Guide The Product Manual contains a printed copy of the Feature User Guide It has been written especially for your customers and provides step by step operational instructions for all the features available for the GM340 GM360 and GM380 radios IMPORTANT For simplicity please provide just t...

Page 18: ...lsewhere for example in the car boot trunk This provides convenient mounting in areas of restricted space and also reduces the probability of the mobile radio being stolen 3 9 3 External Speakers External speakers are available to provide either 7 5 W or 13 W of audio enough for clear communication in even very noisy and harsh environments The speakers measure approximately 125mm x 125mm x 44mm 3 ...

Page 19: ... effect is to reduce noise in the received signal giving you crisper clearer audio clarity Companding should only be used when other radios in your system have the same companding feature available Companding and LLE are mutually exclusive switching on one of the features automatically switches off the other It is important to ensure that all radios in a team have the feature switched on Benefits ...

Page 20: ...on 3 2 Channel Alias With up to 255 channels it can be difficult to remember who is on which channel number To make it easier to recognise the channels each channel can be given a meaningful alphanumeric name or Alias up to 14 characters long Benefits Meaningful names can be given to each channel making it easier to find the right channel 3 3 Channel Selection On the GM340 channels are selected by...

Page 21: ...d into the radio they jump straight to a predefined channel Memory Channel buttons can be fixed or user programmable If the Memory Channel buttons are user programmable a long press of the button changes the channel assigned to the button to the one that radio is on at the time This allows the user to redefine the channels if a particular channel is more frequently used User programmed Memory Chan...

Page 22: ... are available in the radio The most commonly used features can be programmed to these buttons thereby customising the radios to the individual customers needs The GM340 has 6 programmable buttons However channel selection must also be assigned to these programmable buttons Thus the number of buttons left to assign to features is 6 minus the number of channels The GM360 has 4 programmable buttons ...

Page 23: ... initiate Monitor Cancel C Toggles radio between Monitor 1 2 mode and normal squelch mode toggle Talkaround J Toggles radio between Talkaround and Repeater operation toggle Power level B Toggles radio power between high and low toggle Scan G Switches Scan feature on off toggle Lone Worker Switches Lone Worker feature on off toggle External alarm b Switches External Alarm feature on off toggle Call...

Page 24: ...to up down and or keypad thus customising the radio for optimum performance This saves the radio user s time 4 3 Address Status and Channel Entry GM360 GM380 The Address Status and Channel can be entered immediately on the up down buttons or the keypad if they are set up as the default modes If they are not the default modes the Address Status and Channel entry menus can be selected through the me...

Page 25: ... power up is required for example Fire Engines 4 6 Power Off Logic The ability to turn the radio off is dependant on Its turn on method The state of the ignition line Whether ignition override is enabled Whether it is in emergency mode Whether ON OFF in emergency is enabled If the radio is turned ON via the ON OFF switch it can only be turned OFF via the ON OFF switch However if Ignition Override ...

Page 26: ...rned ON via Ignition Possible Actions Press ON OFF De assert Ignition Line Start State Effect on radio Ignition Override Disabled Switch OFF Switch OFF Enabled Stay ON Switch OFF Radio turned ON via Emergency Possible Actions Press ON OFF De assert Ignition Line Start State Effect on radio ON OFF in Emergency Ignition Override Ignition line Disabled Disabled Asserted Stay ON Stay ON Disabled Disab...

Page 27: ...h various audio threshold levels and tolerances programmed into the radio the VOX feature intelligently senses background noise resulting in VOX adapting automatically to the noise level in the environment by setting the microphone input to key up the radio The microphone sensitivity can be adjusted to take account of the background noise VOX operation is only possible when a special VOX accessory...

Page 28: ... call 5 1 2 Scan Activation Each channel can be programmed to use any of the scan lists Scan is activated by pressing a programmable button that has been programmed as the Scan button selecting scan via the menu changing to a channel which has been programmed with Automatically Start Scan this starts scan operation as soon as the radio switches to that channel i e Auto Scan 5 1 3 Scan Transmit Cha...

Page 29: ...is now busy Talkback can be enabled or disabled Voted Channel Causes transmissions to occur on the last voted channel See the section on Scan Vote The radio s display indicates the channel on which transmission will occur or is occurring depending on the operational mode in use Benefits Calls can be initiated even whilst scanning Auto Scan simplifies scan operation and frees up a function button H...

Page 30: ...tered base sites that are transmitting the same information on different frequencies The radios scan the frequencies of these base sites and perform a voting algorithm to select the strongest base site The radio s transmit frequency is typically the same on every channel but the radio s receive frequencies are different The voting algorithm is described in the CPS help text 6 0 Transmit Features 6...

Page 31: ...hen carrier is present and the radio is detecting the PL decode frequency for the channel This option is required for the type of repeater that holds up both carrier and PL during repeater hang time Repeater hang time is the period of time during which the repeater remains keyed after a user s radio has de keyed It is used to prevent other users with different PLs gaining access and control of the...

Page 32: ...ater hang time as users within the same group cannot transmit during this period and this leads to enforced gaps in the conversation A PL user from one group can transmit at the same time as a PL user from another group Past PL DPL Not Detected This option only allows transmissions when carrier is not present or when carrier is present and the radio is not and has not detected the PL decode freque...

Page 33: ... Only open squelch if Carrier is detected PL DPL Squelch Only open squelch if the correct PL DPL is received Tone Squelch Only open if the correct 5 tone signal is received Tone PL DPL Only open if correct 5 tone and PL DPL are received 7 2 PL DPL Squelch Codes PL DPL squelch can be explained to customers as a way to stop them hearing communications between other users on the same channel who are ...

Page 34: ...shared by several different teams of people as it allows individuals to check that the channel is free prior to making a call 7 3 1 Monitor 1 and Monitor 2 Modes The GM300 Series radios have 2 monitor modes short press for Monitor 1 long press for Monitor 2 Monitor 1 disables one level of receive squelch monitor 2 disables a second level of receive squelch For example Example 1 Example 2 Standard ...

Page 35: ...ty prior to transmitting Encourages users not to transmit over the top of other users 7 4 Hook Operation Going Off Hook by taking the microphone out of its hang up clip makes the radio enter auto reset mode which in turn changes the squelch setting to that defined as the autoreset squelch The options available for the Hook are all to do with length of time that the hook function is active It can b...

Page 36: ... Table 2 3 Accessory Connector I O Features Pin number 3 4 6 8 9 10 12 14 GM950 External Output Functions Carrier Detect Yes PL DPL Detect Yes Radio Busy Yes External Alarm Yes Per Channel Output Yes Car Radio Mute Yes PTT Sense Yes Decoder Output Control Yes External Input Functions Channel Steering Yes Hook Yes Voice PTT Yes Data PTT Yes Voice Data PTT Yes Mute Audio PA Yes Open RX Audio Yes Pub...

Page 37: ...c 3 Digital In 1 Ext PTT use External Mic Data PTT use Flat TX Audio 4 Digital Out 2 External Alarm 5 Flat TX Audio Sensitivity 150mV rms to for 60 deviation 6 Digital In 3 7 Ground 8 Digital In Out 4 9 Digital In 5 with Wakeup Emergency 10 Digital In 6 with Wakeup Ignition 11 Flat Filtered RX Audio Flat RX Audio 330mV rms at 60 deviation Filtered RX Audio 600mV rms at 60 dev at 1kHz CPS selectabl...

Page 38: ...adio is in TX mode 8 2 3 Radio Busy This output is asserted whenever carrier is detected or the radio is in TX mode 8 2 4 External Alarm If the radio has external alarm enabled and a telegram is decoded that has external alarm enable the output is asserted This output can be used to energise a relay etc that will sound the car s horn and or flash the lights The output is de asserted when any butto...

Page 39: ... PTT does not make the radio go into transmit If the external device is not transmitting it asserts the Voice PTT line It is this that causes the radio to transmit and the audio to be transmitted If the external device is already transmitting it does not assert the Voice PTT line and the voice will not be transmitted When the external device finishes transmitting it accepts the next internal mic P...

Page 40: ... these pins the least significant bit is assigned to the lowest pin number that has channel steering assigned to it This value is the Channel Steering Index If the Channel Steering Index is zero channel steering has no affect and channels are selected by normal user inputs If the Channel Steering Index is not zero then the channel is set to the channel that corresponds to the Channel Steering Inde...

Page 41: ...mal software control and follow programmed squelch requirements 8 3 7 Open RX Audio When this input is asserted the received audio or option board audio if fitted is routed through to the audio PA and speaker independent of the normal squelch criteria 8 3 8 Public Address Enable When enabled this feature allows the radio to act as a Public Address system An external switch is connected to this pin...

Page 42: ...mable digital lines on the accessory connector the ability to connect an internal or external data modem to the radio An external data modem can be connected to the mobile via the rear accessory connector An internal data modem can be fitted neatly inside the DataPro accessory The mobile s control head is put into the remote mount configuration and then the DataPro is connected to the front of the...

Page 43: ...lling Standards There are several standards for 5 tone signalling each of which uses different durations and frequencies to represent the numbers 0 to 9 The GM300 Series supports all major European 5 tone signalling standards 100ms CCIR French ZVEI 70ms CCIR Modified ZVEI 20ms CCIR ZVEI EEA In addition up to two dealer defined signalling standards can be programmed with any frequency and tone dura...

Page 44: ... set up before tones are sent Benefits Exceptional flexibility to integrate into existing 5 tone and DTMF systems 10 1 Telegrams 1 2 or 3 encode sequences are sent in rapid succession concatenated to form a telegram Each encode sequence can contain only one type of signalling or DTMF but Telegrams can contain encode sequences with different signalling For example sequence 1 ZVEI sequence 2 DTMF Th...

Page 45: ...te encode and decode status lists or they can be combined in the decode status list The Status List s can be imported to and exported from the CPS in Microsoft Excel files Benefits Pre arranged messages used to convey status avoids ambiguity Efficient use of airtime Sends useful information to team members discreetly without the need to talk Fast and easy updates to the Status List s 10 4 Address ...

Page 46: ...ity on some telephones Often one of the buttons is programmed as a fixed call to the central dispatcher Base Call another button is used as a multicall button to send address and or status digits either selected from the address and status lists or entered on the keypad The GM340 can only send pre programmed telegrams External call buttons or switches can also be programmed to the accessory connec...

Page 47: ...ct as a confidence aid for the radio user In the case of Telegram on PTT this also indicates when it is OK to start to talk These side tones can be set on or off to cater for the user s preference 11 0 DTMF DTMF Dual Tone Multi Frequency is used when the radio is required to operate with an interface to a telephone system On all radios a DTMF encode sequence can be sent and on the GM360 with SMART...

Page 48: ... with a telephone network to extend the communication system Pre programmed DTMF sequences allow all radio users to call frequently needed telephone numbers max 32 sequences Live dial allows the user to dial any DTMF telephone number 12 0 5 Tone Select 5 Decoder 12 1 Multiple Parallel Decoders The radio can be programmed with up to 16 parallel decoder sequences Each 5 tone decoder sequences can be...

Page 49: ...enerates a Group Call alert For example Radio ID is 1 2 3 4 5 Group digits GG Radio will respond to 12345 Individual Call 123GG Group of up to 100 radios 1234G Sub Group of 10 radios Both normal and expanded group call decode is supported Benefits One call puts you in contact with a team of people Allows radio to be part of one or more workgroups Much more flexibility to define groups than possibl...

Page 50: ... Series radios are able to work out the identity of the calling radio it is possible to use this number to Call Back to the original caller The caller s ID is immediately copied into the call back sequence This is especially useful if a call is received when the radio user is temporarily out of their vehicle On return to their vehicle the user hears the Call Reminder alerts and sees the display fl...

Page 51: ... programmed as Fixed Telegram The radio ID stored for that entry is entered in the telegram then transmitted For Advanced Multicall users only the currently selected Missed Call can be answered by pressing any button programmed as Address Send The radio ID stored is entered in the telegram number stored then transmitted The tick and hash buttons serve as Fixed Telegram or Address Send buttons if s...

Page 52: ...nly call a de authorised radio can make is the request for authorisation to a pre determined destination In order that the user can be confident that their call has been received by the base the base sends back an acknowledgement beep for a short period To allow the mobile user to hear the acknowledgement beep the Monitor Timer is be set to open the radio s squelch automatically for a few seconds ...

Page 53: ... decode the auto acknowledge sequence Most 5 tone systems use this to automate calls from the central dispatcher If the dispatcher console does not receive the expected acknowledge the call is resent to the mobile Telegram Repeat It is possible to incorporate Status within the auto acknowledge telegram It is therefore possible for the central dispatcher to interrogate the mobile radio to find out ...

Page 54: ... into emergency mode see emergency wake up in the accessory connector section 13 6 1 Emergency Cycles When in emergency mode the radio cycles through periods of transmission TX and reception RX to allow the central dispatcher base to hear activity in the vicinity of the radio and to then allow the radio user to hear messages from the base This is automatic due to the assumption that in the emergen...

Page 55: ...o is muted the radio appears to be turned off even though it is in fact transmitting and receiving In Standard Emergency the display LEDs and alert tones function as in normal radio operation and they change if the radio changes channel or transmits as part of the emergency operation 13 6 4 Emergency Squelch The Emergency Squelch can be set different from the standard squelch setting 13 6 5 Emerge...

Page 56: ...is happening at the emergency site and to talk to the radio user Secret Emergency provides covert communications for sensitive situations Highly flexible configuration to match radio user requirements Emergency reset enables central dispatcher to reset radio remotely from emergency mode 13 7 Lone Worker Lone Worker is a special form of Emergency mode The feature enables individuals to work alone w...

Page 57: ...nefits they provide please contact the appropriate supplier Recommended third party supplier internet sites are SmarTrunk Systems Inc http www smartrunk com Transcrypt International http www transcrypt com Benefits Radio functionality can be enhanced to match the customers requirements The Option Boards are plug in no soldering is required Fitting is quick easy and does not introduce faults 14 1 V...

Page 58: ...ow channel address status menu and radio status information On the GM360 the default display is programmable as channel address or status The other functions are displayed when the mode is entered via the menu or programmable buttons On the GM380 the default display is channel status and address A line of 13 icons illuminate to indicate useful features such as scan DTMF mode and missed calls Benef...

Page 59: ...t GM360 GM380 Backlight illuminates the radio display keypad and menu navigation keys The radio can be programmed to have the backlight Permanently on Permanently off On for a timed period on power up if the display changes and for any button or key press the backlight turns on for a programmed period of time Backlight brightness of the display keypad and menu buttons can also be set by the user v...

Page 60: ... of mobile are physically interchangeable the software functionality is NOT interchangeable for example a GM360 control head will not work on a GM340 transceiver or via versa 16 2 Remote Mount Each of the mobile radios can be installed in a remote mount configuration The control head and transceiver are separated and reconnected via a length of cable This allows the head to be mounted where it can...

Page 61: ...an be programmed from a CPS codeplug file if the password is forgotten or a new file can be created and programmed into a radio if a customer changes dealer Password Protection only works on radios with radio firmware version R03 and above for portables R01 and above for mobiles and with codeplug software version 4 and above for both portables and mobiles Radios upgraded to the above firmware vers...

Page 62: ...ssional Mobile Series GP300 Professional Portable Series GM950 Mobile Series New Feature description GM340 GM360 GM380 GP320 GP340 GP360 GP380 GM950 N2 GM950 N3 GM950 N4 Audio Features Companding Low Level Expansion Pre emphasis De emphasis VOX Alerts Volume min max Channel Number of channels 6 255 255 1 16 255 255 4 128 128 Channel alias Dedicated channel select buttons 6 4 Channel select via up ...

Page 63: ...selected address last selected status last stored memory channels Scan Scan List 32 32 32 32 32 32 2 2 2 Channels per Scan List 16 16 16 16 16 16 4 16 16 Autoscan Priority scan Nuisance channel delete Channel change during scan Scan transmit channel home start channel designated last busy last free voted Talkback when landed Scan Vote Table 2 5 Comparison of Motorola Radios Continued GM300 Profess...

Page 64: ...it Admit Criteria NOT applied in autoreset Channel free beep Busy Channel Lockout Squelch Squelch signalling settings open squelch carrier squelch coded squelch standard coded squelch reverse signalling squelch coded signaling squelch Monitor 1 monitor 2 Forced monitor AutoReset Squelch Hook disabled permanent timed external Table 2 5 Comparison of Motorola Radios Continued GM300 Professional Mobi...

Page 65: ...A Open RX Audio Public Address Call 1 2 3 4 Emergency Emergency Wakeup Ignition sense ignition override Conventional Signalling Select 5 Signalling standard user defined signalling standard 2 2 2 2 2 2 2 2 2 2 ZVEI standard modified French modified CCIR 20mS CCIR 70mS 100mS EEA GR Redefinition Single Tones per radio 2 2 2 2 2 2 2 4 4 4 Table 2 5 Comparison of Motorola Radios Continued GM300 Profes...

Page 66: ...t entry contact status lists keypad entry variable digit Variable digit lockout Conventional Signalling Select 5 Decoder Parallel decoders 16 16 16 16 16 16 16 8 8 8 Decode sequence digits 12 12 12 12 12 12 12 7 7 7 Individual call Group call std expanded Call reminder alert Decode address alias Decode status alias Simultaneous decode of address and status digits Auto Acknowledge Auto Acknowledge ...

Page 67: ...RX cycles TX cycle Voice TX cycle tone with voice TX cycle Emergency Telegram Tx cycle Voice message on option board Permanent Rx Programmable emergency squelch Emergency Revert Channel Emergency Microphone gain Emergency Microphone Source On Off in emergency secret emergency Lone Worker Incoming Emergency emergency decode status Table 2 5 Comparison of Motorola Radios Continued GM300 Professional...

Page 68: ... voice recorder opt opt opt opt opt emergency message opt opt opt Others Backlight Backlight variable intensity Keypad lock Multilingual menus and prompts New Feature Feature available Requires Keypad Microphone Feature Not Available Opt Option Board required Table 2 5 Comparison of Motorola Radios Continued GM300 Professional Mobile Series GP300 Professional Portable Series GM950 Mobile Series Ne...

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