Kenwood TK-7180 Instruction Manual

Also see for TK-7180: Modification Information Function reference Brochure & specs Specification Service manual

24BACKGROUND OPERATIONSTIME- OUT T IMER (TOT)The purpose of the Time-out Timer is to prevent any caller from using a channelfor an extended period of time.If you continuously transmit for a period of time that exceeds the programmed timeset by your dealer (default is 1 minute), the transceiver will stop transmitting andan alert tone will sound. To stop the tone, release the microphone PTT switch.Your dealer can program the TOT time in the range of 15 seconds to 20 minutes.BUSY CHANNEL LOCKOUT (BCL)When activated, BCL prevents you from interfering with other parties who maybe using the same channel that you selected. Pressing the microphone PTTswitch while the channel is in use will cause your transceiver to emit an alert toneand transmission will be inhibited (you cannot transmit). Release the PTT switchto stop the tone and return to receive mode.If activated, you can override this function. To override BCL, press themicrophone PTT switch again immediately after releasing it (within half asecond).Note: Ask your dealer for an explanation on how BCL functions when using QT, DQT, DTMF, 5-tone,or FleetSync signaling.SIGNAL STRENGTH INDICATORThe signal strength indicator displays the strength of received calls:Strong signalMedium signalWeak signalVery weak signalBEGINNING/ E ND OF TRANSMIT S IGNALThe Beginning of Transmit and End of Transmit identification signals are used toaccess and release some repeaters.If Beginning of Transmit is set, the ID signal is transmitted when you press themicrophone PTT switch.If End of Transmit is set, the ID signal is transmitted when you release themicrophone PTT switch.If both are set, the ID signal is transmitted when you press and release themicrophone PTT switch.

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