Kenwood TRC-80 Instruction Manual
Also see for TRC-80: Instruction manualService manual
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SELECTINGA CHANNELTurn the CHANNEL selector to choose a channel.. When using the microphone supplied with theoptional KPE-1 Selective Call Unit, you can pressMicrophone [UP] or Microphone [DWN] to choosechannels. Holding either button down sequentiallyswitches through all channels.SELECTING A MODEI The [MODE] button must be activated by yourDealer to function as described here. ...The mode stored with each channel can be temporarilychanged. To change the operating mode, press[MODE]. Each time this button is pressed, the modechanges in a cyclical manner as shown below:[ USB - LSBicw - AM~To select Data mode, press [DATA] while in USB orLSB mode. The Dealer sets either AFSK or FSKoperation for use in Data mode. If AFSK has been set,then "USB" or "LSB" plus "DATA" appear. When FSKhas been set, only "DATA" appears. ...KENWOODPressing [MODE], pressing [DATA], or changing thechannel after entering Data mode cancels Data mode.TRANSMITTINGThe cooling fan operates automatically when longtransmissions are made or after extended operation inthe High power mode. Also, the Rear Panel heat sinktemperature will increase. The protection circuit in theradiotelephone activates if the temperature rises overthe design limit. In this case, the output power isautomatically reduced to the Low position. Although the"L" indicator does not appear, the power meterindication will be less than full scale, and "THERMALPROTECTION" appears.You cannot transmit on a channel that has only areceive frequency stored. Attempting this causes"RX ONLY" to appear.8. ChangingTransmitPowerYou can change the default transmit power settingstored for a channel by accessing the Menu mode.Refer to Menu Setup on page 10 for details.However, you cannot change the transmit powerbeyond the limits specified by the Dealer.. VoiceModes1 Select a voice mode (USB, LSB, AM) channel.2 Pressand hold down the PTT switch.. "TX" appears.iDS 1 3 5 7 9 20 40 dBRF 10I . Referto "VOX" below for informationonautomatic TXJRX switching.3 Speak into the microphone holding it about5 cm (2 in.) from your mouth for best results.Speak in a normal tone and level of voice.4 When you have finished transmitting, release thePTT switch to return to the receive mode.. The "TX" indicator disappears.. VOX (Voice-operatedTransmit)I VOX must be activated by the Dealer before youIcan use this function.VOX eliminates the necessity of manually switchingto the transmit mode each time that you transmit.The radiotelephone automatically switches totransmit when the VOX circuitry senses that youhave begun speaking into the microphone.The VOX function has three adjustments on theRear Panel as follows:VOX controlAdjust this control to set the VOX amplifier sensitivityto the correct level for your voice. When setcorrectly, the radiotelephone changes to the transmitmode immediately after you begin speaking into themicrophone.ANTI controlVOX operation is sometimes difficult when usinghigh speaker volumes. Adjust this control to reducethe tendency of the radiotelephone to switch intotransmit mode due to the speaker output. Use theminimum ANTI control settings to achieve reliableVOX operation.DELAY controlAdjust this control to change the amount of time thatthe radiotelephone remains in the transmit modeafter you stop speaking.- |
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