Kenwood TK-690 Instruction Manual

Also see for FleetSync TK-690: Specifications Specifications

Contents

18OTHER TRANSCEIVER FUNCTIONSThe following functions can be set up by your dealer.■ Time-out Timer (TOT)The TOT is used to automatically inhibit transmission after a specified timeelapses. If the PTT switch is held down for longer than the programmed time,the transceiver will stop transmitting and a warning tone will sound. To stopthe warning tone, release the PTT switch.■ Busy Channel Lockout (BCL)BCL prevents you from interfering with other stations that may be using thesame channel as you. When you press the PTT switch while the channel is inuse, a warning tone sounds and the transceiver does not transmit. To stopthe warning tone, release the PTT switch.If BCL override has been enabled, you can press the PTT switch again within0.5 seconds to cancel BCL. The transceiver will transmit.■ Operator Selectable Priority ChannelYou can set Priority1 and Priority2 channels when this function is enabled. Toset a Priority1 channel, press and hold the SCN key, then press the MON key3 times. To set a Priority2 channel, press and hold the SCN key, then pressthe MON key 2 times.■ 2-Tone/ DTMF Signaling2-Tone/ DTMF signaling will only open the squelch when the proper code isreceived. When the transceiver receives a correct code, the CALL iconflashes.If transpond has been enabled, the transceiver automatically sends anacknowledgement signal after receiving the 2-Tone/ DTMF signal.If alert tone has been enabled, an alert tone sounds after receiving the2-Tone/ DTMF signal.

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