Kenwood TK-390 Service Manual page 10

6-14. Monitor
Monitor the channel before a transmission.
Press this key once, "MON" appears and unmutes
speaker if a carrier is present, regardless of the specified
signalling (including option signalling). Press this key again,
"MON" disappears and mutes speaker.
Press this key after the Option Signalling is matched, the
Option Signaling is reset and monitor is activated. DBD
(Dead Beat Disable) mode is not reset by this operation.
6-15. Monitor Momentary
While pressing this key, the monitor function (refer 6-14)
is activated. Release this key, the monitor function is de-
activated.
6-16. Operator Selectable Tone
This 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 select
mode. 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.
Press OST key again, the transceiver exits from the OST
select mode, and returns to the group/channel mode with
"OPT" icon. "OPT" icon means that the OST tone pair is
selected. OST tone pair number or OFF can be memorized
for each channel.
16 kinds of tone pair for OST can be programmed by
KPG-38D. OST is useful to access the repeater with same
radio frequency and different tone (QT/DQT).
6-17. Operator Selectable P1
If priority channel 1 is set as "Fixed" and "None" in the
scan 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 becomes
to priority channel 1. Previous priority channel 1 returns to
the normal channel. Press this key on the priority channel 1,
the priority 1 will be lost (no priority 1).
6-18. Operator Selectable P2
If priority channel 2 is set as "Fixed" and "None" in the
scan 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 2
returns to the normal channel. Press this key on priority
channel 2, the priority 2 will be lost (no priority 2).
6-19. Scan
Press this key starts scanning. Pressing this key stops
scanning.
6-20. Shift
This key activates "Shift + [Key]" function. It is useful
when the numbers or more of the functions are necessary.
OPERATING FEATURES
∗ ∗
is selected.
6-21. Squelch Level
The 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 the
key programmed to "squelch level" again, the adjusted level
is memorized and returns to the normal user mode.
6-22. Squelch Momentary
While pressing this key, the transceiver unmutes
speaker 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 Off
Press this key, the transceiver unmutes speaker regard-
less of the existence of a carrier and "MON" appears and
busy "LED" lights.
Press this key again, the transceiver mutes the speaker
and "MON" disappears and busy "LED" lights off.
6-24. Talk Around
Press this key, the transceiver uses the receive fre-
quency and the tone for transmission.
The operator can call the other party directory (without
repeater). Press this key again, the talk around function
goes off.
6-25. Emergency Call
Press this key, the transceiver enters to an emergency
mode. In this mode, the channel is switched to the pro-
grammed emergency channel automatically and starts
transmission with an emergency ID code which is pro-
grammed to ANI board.
The display depends on "Emergency Channel Display"
setting.
6-26. SP Attenuation
Press this key once, the volume level of speaker-micro-
phone is attenuated. Press this key again, the volume level
of speaker-microphone returns to the previous level.
7. 2-Tone
Built-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. DTMF
Built-in DTMF encoder is available for dialing (Manual
dial, Auto-dial (9 memory), Re-dial (1 memory)) (Keypad
model only). Built-in DTMF decoder is available for option
signalling.
It is possible to use individual call, group call, DBD (Dead
Beat Disable).
TK-390
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