Kenwood TK-390 Service Manual

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Contents

9TK-3906-14. MonitorMonitor the channel before a transmission.Press this key once, "MON" appears and unmutesspeaker if a carrier is present, regardless of the specifiedsignalling (including option signalling). Press this key again,"MON" disappears and mutes speaker.Press this key after the Option Signalling is matched, theOption Signaling is reset and monitor is activated. DBD(Dead Beat Disable) mode is not reset by this operation.6-15. Monitor MomentaryWhile pressing this key, the monitor function (refer 6-14)is activated. Release this key, the monitor function is de-activated.6-16. Operator Selectable ToneThis key switches the pre-set decode QT/DQT and en-code QT/DQT to OST (Operator Selectable Tone) tone pair.Press this key, the transceiver enters to OST selectmode. In this mode, the display shows "OFF" and the opera-tor can select one of the OST tone pair using the channel up/down key or the group up/down key. The display shows"TONE ∗ ∗ " and tone pair No. ∗ ∗ is selected.Press OST key again, the transceiver exits from the OSTselect mode, and returns to the group/channel mode with"OPT" icon. "OPT" icon means that the OST tone pair isselected. OST tone pair number or OFF can be memorizedfor each channel.16 kinds of tone pair for OST can be programmed byKPG-38D. OST is useful to access the repeater with sameradio frequency and different tone (QT/DQT).6-17. Operator Selectable P1If priority channel 1 is set as "Fixed" and "None" in thescan information. The operator can select the priority chan-nel 1, using this key (operator selectable fixed P1).Press this key on normal channel, the channel becomesto priority channel 1. Previous priority channel 1 returns tothe normal channel. Press this key on the priority channel 1,the priority 1 will be lost (no priority 1).6-18. Operator Selectable P2If priority channel 2 is set as "Fixed" and "None" in thescan information. The operator can select the priority chan-nel 2, using this key (operator selectable fixed P2).Press this key on the normal channel, the channel be-comes to the priority channel 2. Previous priority channel 2returns to the normal channel. Press this key on prioritychannel 2, the priority 2 will be lost (no priority 2).6-19. ScanPress this key starts scanning. Pressing this key stopsscanning.6-20. ShiftThis key activates "Shift + [Key]" function. It is usefulwhen the numbers or more of the functions are necessary.6-21. Squelch LevelThe preset squelch level is varied in user mode (0 to 15).Press the key programmed to "squelch level", the trans-ceiver enters to "squelch level adjust mode".The squelch level can be adjusted by group "up/down"function key or channel "up/down" function key. Press thekey programmed to "squelch level" again, the adjusted levelis memorized and returns to the normal user mode.6-22. Squelch MomentaryWhile pressing this key, the transceiver unmutesspeaker regardless of an existence of a carrier and "MON"appears and busy "LED" lights on.Release this key, the transceiver mutes the speaker and"MON" disappears and busy "LED" lights off.6-23. Squelch OffPress this key, the transceiver unmutes speaker regard-less of the existence of a carrier and "MON" appears andbusy "LED" lights.Press this key again, the transceiver mutes the speakerand "MON" disappears and busy "LED" lights off.6-24. Talk AroundPress this key, the transceiver uses the receive fre-quency and the tone for transmission.The operator can call the other party directory (withoutrepeater). Press this key again, the talk around functiongoes off.6-25. Emergency CallPress this key, the transceiver enters to an emergencymode. In this mode, the channel is switched to the pro-grammed emergency channel automatically and startstransmission with an emergency ID code which is pro-grammed to ANI board.The display depends on "Emergency Channel Display"setting.6-26. SP AttenuationPress this key once, the volume level of speaker-micro-phone is attenuated. Press this key again, the volume levelof speaker-microphone returns to the previous level.7. 2-ToneBuilt-in 2-Tone decoder (decoder program 1, decoder pro-gram 2, decoder program 3) is available for option signalling.It is possible to use individual call or group call.8. DTMFBuilt-in DTMF encoder is available for dialing (Manualdial, Auto-dial (9 memory), Re-dial (1 memory)) (Keypadmodel only). Built-in DTMF decoder is available for optionsignalling.It is possible to use individual call, group call, DBD (DeadBeat Disable).OPERATING FEATURES