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I N S T R U C T I O N   M A N U A L

Super compact remote mic 5 watt 80 channel UHF CB radio

Summary of Contents for TX3340

Page 1: ...I N S T R U C T I O N M A N U A L Super compact remote mic 5 watt 80 channel UHF CB radio ...

Page 2: ...g 11 Selcall Indentification Number 11 Selcall Ident Names 11 Quiet Mode Q 11 Selcall Memories 11 Using Selcall 11 Entering a Selcall Ident 12 Sending Sellcall 12 Call Acknowledge 12 Storing Selcall Idents 12 Recalling Selcall Idents from Memory 12 Naming Your Selcall Idents 13 Displaying ALPHA Names 13 Entering and Storing a Selcall Name 13 Changing Your Own Selcall Ident 13 To Exit Call To Mode ...

Page 3: ... allocated can now be expanded to 80 channels thereby doubling the channel capacity and relieving congestion in the UHF CB PRS band Original 40 channel wideband Radios will continue to operate on the original 40 channels however they will not be able to converse on the newer channels 41 80 The newer narrowband radios will be able to converse with all older 40 channel wideband radios on all channel...

Page 4: ... advanced RF and audio processing techniques to be applied to maximise the radio s performance Advanced Signal Management ASM Identifies interference caused by strong local signals on adjacent channels and prevents it from opening your squelch ASM also minimises distortion on reception by fine tuning the receiver frequency to match that of the incoming signal This prevents your squelch from openin...

Page 5: ...ey to decrease the volume NOTE At minimum volume setting there is still sufficient volume to be heard in a quiet cabin environment Selecting Channels Press the or keys to step upwards or step downwards one or more channels Keylock Feature The key locks the keys on the microphone to prevent unintentional key presses from altering your TX3340 settings While the keys are locked only the PTT Push To T...

Page 6: ...coming signals can be set to suit your operating environment For example excessively noisy environments may cause the Squelch to open on local noise The TX3340 has nine 9 preset Squelch sensitivity settings that can be selected using the MENU function To adjust the pre set Squelch sensitivity please refer to the MENU SETTINGS on page 17 Priority Channel The Priority Channel feature allows you to s...

Page 7: ... control your receiver s Squelch With CTCSS or DCS enabled the channel remains quiet to all incoming signals unless they carry the correct tone When a transmission with the correct tone is received the Squelch opens and remains open for as long as the signal is present When the transmission ends the channel becomes quiet again Transmissions that do not use the correct tone will not be heard The TX...

Page 8: ... Allows any of the installed channels to be scanned for activity If a busy channel is found scanning will pause to allow the signal to be heard Once the channel has been clear for 5 seconds scanning will resume automatically e g Scanning channels 1 8 in Open Scan Group Scan Also allows any of the installed channels to be scanned for activity but in addition it inserts your Priority Channel into th...

Page 9: ...used on a busy channel wait until the channel is free then press the PTT button The radio will exit Scan mode and remain on the busy channel You can now converse on that channel in the usual way When you have finished your conversation briefly press the SCAN key to resume scanning If your radio is scanning and you need to use your Priority Channel for an urgent call or an emergency briefly press t...

Page 10: ...l no longer be monitoring the Priority Channel unless it is the same as the busy channel To resume scanning press the SCAN key again To transmit on the Priority working Channel AT ANY TIME simply press the PTT key while the radio is scanning The radio will switch straight to the Priority Channel When you have finished your conversation and there has been no further activity on the Priority Channel...

Page 11: ...recalling from the memory In addition if an incoming Selcall matches one of the Idents stored in the memory the name can be displayed to make it easier for you to identify the caller QUIET Mode Your TX3340 can be set to monitor signals on a busy channel but remain quiet unless it receives its own Selcall Ident In this way you won t be disturbed unless someone calls you When a signal containing you...

Page 12: ...gnal Storing Selcall Idents Your TX3340 is fitted with 10 user programmable Selcall Ident memories allowing you to store up to 10 frequently used Selcall Idents The memories are accessed by pressing the CALL button then the or keys to scroll through the memories Ident memories are labelled c0 to c9 To store a Selcall Ident in memory 1 Press the CALL button to select the CALL TO mode CALL TO is dis...

Page 13: ... displayed 3 Press the or keys to select the required Selcall memory locations c0 to c9 If no ALPHA name has been programmed for that memory the radio will probably display otherwise it will display the last ALPHA name programmed into that memory 4 With the required memory location displayed enter the required ALPHA name as follows a Press and hold the PRI key until the radio beeps The left hand c...

Page 14: ...elcall Ident and the ALPHA name Briefly press the F key followed by the ALPHA key Cancelling the Selcall Alert The following are the recommended methods To cancel the alarm and talk on the channel Press the PTT key and talk in the usual way The alarm will be cancelled and the channel will be open for normal communication To return the call Press and hold the CALL key for a few seconds until the ra...

Page 15: ...he call In addition the caller s Ident or ALPHA name will be displayed All channels will now be open for normal transmission and reception If you wish to respond to the calling radio using Selcall press and hold the CALL key for 1 5 seconds until the radio beeps The callers Ident will be transmitted back to them causing the alarm in their radio to be activated To cancel the alarm on your radio Bri...

Page 16: ...ir full 5 digit Selcall Idents had been received To achieve this the 10 radios you are calling must be programmed with sequentially numbered Selcall Idents e g 12330 12331 12332 12333 12339 Transmitting the Selcall Ident 12331 will only activate the alarm in the radio with the Selcall Ident of 12331 Transmitting 1233A will activate the alarms in all radios with Idents 12330 through 12339 a total o...

Page 17: ...lected the cycle returns to the beginning 3 Press the or keys to alter the parameters of the selected function 4 Press and hold the MENU key to exit and store any changes SETTING THE SQUELCH SENSITIVITY The sensitivity of the Squelch to incoming signals can be set to suit your operating environment In quiet rural locations a low setting will allow the weakest signals to be received while still kee...

Page 18: ... frequency digital signals instead of one continuous low frequency tone As with CTCSS it also allows several user groups to share the same channels without disturbing each other There are 104 DCS codes available See DCS Tone Chart on page 24 Selecting a CTCSS or DCS tone Choosing which tone to use will probably be dependent on the other radios you talk to If you talk to others outside your group w...

Page 19: ...until the radio beeps to store the setting Beep To adjust the volume level of the keypad beeps 1 Press and hold the MENU key until the radio beeps 2 Briefly press the MENU key repeatedly until BEEP is displayed 3 Press the or keys to adjust the beep volume The default setting is 3 4 To store the setting press and hold the MENU key until the radio beeps INSTALLATION The TX3340 main unit is supplied...

Page 20: ...ence However in some installations it may be necessary to take additional steps to help reduce or eliminate noise interference During installation try to route the DC battery leads the antenna lead or any accessory wires away from the engine compartment ignition or alternator wiring If the noise continues it may be necessary to fit a suppression kit in which case we recommend you consult an auto e...

Page 21: ...e gently pulling the plug outwards If the plug does not come out easily the tab has not released correctly and should be squeezed again DC POWER CONNECTION The TX3340 is designed for 13 8 volts DC negative earth installations only i e where the negative terminal of the battery is connected to the chassis or frame of the vehicle There are two recommended methods of installation Radio remains ON whe...

Page 22: ...rvoltage warning appears you should switch your TX3340 OFF and disconnect it from the power source before locating the cause of the trouble Once the high voltage warning has been triggered and you have fixed the source of the problem you will need to switch the TX3340 OFF then ON again to reset it The power source must not exceed 25 volts otherwise permanent damage may occur to your radio which ma...

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Page 26: ...ximum Deviation 2 5 kHz at 20 dB limiting Spurious Emissions 70 dBc Transmit Frequency Response 6 dB per octave 300 Hz to 3 kHz 1 3 dB Audio Signal to Noise 45 dB Current Consumption 1 5 amps with 50 Ohms termination Receiver Circuit Type Double conversion Superheterodyne Intermediate Frequencies 1st 21 54 MHz 2nd 450 kHz Current Consumption 180 mA muted 600 mA max A F Output Sensitivity 123 dBm f...

Page 27: ...ervices supplied again 2 4 For repairs outside the warranty period we warrant our repairs to be free from defects in materials and workmanship for three months from the date of the original repair We agree to re repair or replace at our option any materials or workmanship which we are satisfied are defective 2 5 We warrant that we will perform services with reasonable care and skill and agree to i...

Page 28: ...unn Place Dandenong South Thebarton 10 12 Harvard Way 89 101 Factory Rd 22 24 College St East Tamaki VIC 3165 SA 5031 Canning Vale Oxley Gladesville Manukau 2013 T 03 9798 0988 T 08 8234 2633 WA 6155 QLD 4075 NSW 2111 NZ F 03 9798 0177 F 08 8234 5138 T 08 9455 5744 T 07 3278 6444 T 02 9879 8888 T 09 274 0955 F 08 9455 3110 F 07 3278 6555 F 02 9816 4722 F 09 274 0959 For customers outside Australia...

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