Kenwood TK-290 Service Manual page 10

6-7. Group Down
If this key is pressed once, the group number decreases
by one step. If this key holds down for 500ms (approxi-
mate), the group number decreases continuously.
This key works as the squelch level adjuster in squelch
level adjust mode. This key works as the OST (operator se-
lectable tone) number selector in the OST mode. This key
works as the SCR (voice scrambler) code selector in the
voice scrambler code select mode.
6-8. Group Up
If this key is pressed once, the group number increases
by one step. If this key holds down for 500ms (approxi-
mate), the group number increases continuously.
This key works as the squelch level adjuster in the
squelch level adjust mode. This key works as the OST (op-
erator selectable tone) number selector in the OST mode.
This key works as the SCR (voice scrambler) code selector
in the voice scrambler code select mode.
6-9. Home Channel
Press this key once, the channel switches to the pre-pro-
grammed home channel. Press this key again, the channel
goes back to the previous channel.
6-10. Invert Display
Press this key once, the displayed the group/channel
number or group/channel name are inverted. Press this key
again, the display returns to the normal.
For the operator who does not change the display and
needs "Invert" only, refer "Invert Display" setting of op-
tional feature.
6-11. Key Lock
Pressing this key causes the transceiver to accept an en-
try of only the [Shift], [KeyLock], [PTT], [Emergency],
[LAMP], [Monitor], [Monitor Momentary], [Squelch Off],
[Squelch Momentary], [SP MIC Attenuation] keys, [Selector
switch], [Volume], [Toggle], [Lamp], [Moni], [Moni momen-
tary], [SQ off] and [SQ momentary].
"Lock" is used to prevent users from unexceptable key
press which might cause a transceiver malfunction. The dis-
play does not change while the key is being locked.
Switching the transceiver off and on or pressing Key Lock
again cancels the key lock. Key locked transceiver can still
receive. Pressing this key while scanning, keys are locked
but a scanning continues.
6-12. Lamp
Press this key, the transceiver illuminates the display and
keypad back lit approximate 5 seconds. Press this key
again, the transceiver stops the illuminating.
Pressing any key except the LAMP key while the illumi-
nated restarts the 5 second timer.
6-13. Low Power
Press this key, the transmission power of all channel
changes to Low. Press this key again, the transmission
power returns to programmed value.
OPERATING FEATURES
6-14. Monitor
speaker if a carrier is present, regardless of the specified
signalling (including option signalling). Press this key again,
"MON" disappears and mutes speaker.
Option Signaling is reset and monitor is activated. DBD
(Dead Beat Disable) mode is not reset by this operation.
6-15. Monitor Momentary
is activated. Release this key, the monitor function is de-
activated.
6-16. Operator Selectable Tone
code QT/DQT to OST (Operator Selectable Tone) tone pair.
mode. In this mode, the display shows "OFF" and the op-
erator can select one of the OST tone pair using the channel
up/down key or the group up/down key. The display shows
"TONE
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.
KPG-38D. OST is useful to access the repeater with same
radio frequency and different tone (QT/DQT).
6-17. Operator Selectable P1
scan information. The operator can select the priority chan-
nel 1, using this key (operator selectable fixed P1).
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
scan information. The operator can select the priority chan-
nel 2, using this key (operator selectable fixed P2).
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
scanning.
6-20. Shift
when the numbers or more of the functions are necessary.
Monitor the channel before a transmission.
Press this key once, "MON" appears and unmutes
Press this key after the Option Signalling is matched, the
While pressing this key, the monitor function (refer 6-14)
This key switches the pre-set decode QT/DQT and en-
Press this key, the transceiver enters to OST select
" and tone pair No.
Press OST key again, the transceiver exits from the OST
16 kinds of tone pair for OST can be programmed by
If priority channel 1 is set as "Fixed" and "None" in the
Press this key on normal channel, the channel becomes
If priority channel 2 is set as "Fixed" and "None" in the
Press this key on the normal channel, the channel be-
Press this key starts scanning. Pressing this key stops
This key activates "Shift + [Key]" function. It is useful
TK-290
is selected.
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