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COMMERCIAL

RADIO

TX4800

INSTRUCTION MANUAL

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Summary of Contents for TX4800

Page 1: ...COMMERCIAL RADIO TX4800 INSTRUCTION MANUAL...

Page 2: ...CALLS 14 DTMF DUAL TONE MULTIPLE FREQUENCY 15 PAGE MODE 15 CTCSS DCS 16 INSTALLATION 17 Selecting a Location 17 Installing the unit 17 RADIO CONNECTIONS 18 SPECIFICATIONS 19 WARRANTY 20 GME AFTER SALE...

Page 3: ...es channel selection and identification of incoming callers Four scanning modes available including Multi trunk busy channel voting and Signal Strength voting Transmitter output power of 25 Watts swit...

Page 4: ...site channel might be labelled SITE1 In this way you no longer need to remember which channel numbers to select you simply select the required channel by it s label Alphanumeric labels are preprogram...

Page 5: ...M3 Recall CH M4 Speed Dial Selcall Memory Recall CH M1 Dial Selcall Mem Recall CH M2 Dial Selcall Mem Recall CH M3 Dial Selcall Mem Recall CH M4 Dial Selcall Mem Speed Dial DTMF M1 Speed Dial DTMF M2...

Page 6: ...the Squelch Sensitivity If an incoming signal is very weak and is close to the minimum squelch level it may become broken or chopped by the squelch action To prevent this simply open the squelch to al...

Page 7: ...splay You can now talk to the other radio in the usual way To cancel Talk Around Briefly press the Talk Around key again A low beep will be heard and TA will disappear from the display THE MONITOR KEY...

Page 8: ...be programmed for OS GS selection The current scan group is normally displayed in the lower right of the LCD as OS for Open Scan or GS for Group Scan To change the Scan Group Briefly press the OS GS k...

Page 9: ...lected along with the number of the last selected channel If any channels have alphanumeric labels the labels will not be displayed while scanning Receiving on a Busy Channel If a signal is received t...

Page 10: ...nel NOTE At this point the radio will no longer be monitoring the working channel To resume Group Scan briefly press the Scan key again OVERVIEW If Selcall has been enabled on the radio it will have b...

Page 11: ...con will disappear from the display and all channels tagged for Quiet operation will now operate normally again To Remove the QUIET Tagging 1 Select a channel that has been tagged for Quiet operation...

Page 12: ...Selcall Speed Dial Memories with Channel Recall Your Speed Dial memories may have been programmed to recall a specific channel before sending the Selcall To send a Selcall using a Speed Dial memory p...

Page 13: ...Key until a beep is heard EDIT will appear briefly in the selcall display area and the right hand selcall digit will begin flashing 5 Select the required digit using the or buttons to alter the flash...

Page 14: ...follows 1 Briefly press the Call button Call To will appear on the display along with the Selcall ident for memory location 1 2 If the radio is in Alpha mode briefly press the F6 key to select the Num...

Page 15: ...your radio unattended yet still be informed of any incoming Selcalls If your Selcall Ident is received while your TX4800 is in the PAGE mode it will automatically call another radio to alert you to th...

Page 16: ...Page mode by holding the Call button down and pressing F5 With the Page mode selected the radio will operate normally and you can transmit and receive on the selected channel If the selected channel...

Page 17: ...he battery leads directly to the vehicle s battery If you need to extend the power leads to reach the battery use heavy insulated automotive wire of at least 10 gauge Installing the Unit After choosin...

Page 18: ...enna Socket Mounting Bracket External Connections Alarm Input AUX Serial Port GPS Input Remote Head DC Power Cable Extension Speaker Socket 3 5 mm Phono Extension Speaker optional Antenna Black Red 12...

Page 19: ...nna Connector Nominal Voltage Operating Voltage Range Test Voltage Reverse Polarity Protection Over Voltage Protection D C Current RF Output Transmit Duty Cycle RF Switching Bandwidth Deviation limiti...

Page 20: ...c and a full description of the defect to the Dealer from whom the unit was purchased All freight charges incurred for transportation by the Dealer or GME are the Purchaser s responsibility The Dealer...

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