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Kenwood TM-641A Instruction Manual page 28

144/220/440/430 mhz mhz fm multi bander
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4-3-3.
Time-Out Timer (TOT)
The transceiver has a time-out timer function to prevent
possible problems caused by continuous transmission.
This function forcibly stops continuous transmission
after a certain time.
The time-out time is 3, 5, 10, 20, or 30 minutes or OFF
(no limit).
1. Press the F key for longer than 1 second.
2. The F indicator will begin to flash. Press the LOW
key. The current Time-out time is displayed.(For
example 30)
¥
ee
io4s
5000
3a
Low
——
=
3. Select the desired time-out time by rotating the
tuning control. The TOT indicator will light. (If the
time-out time is set to OFF, the TOT indicator will
not light.)
. Press the LOW key. The time-out timer is now on.
>
A beep sounds when the time-out timer times out during
transmission. The receive state is then re-entered. Press
the PTT switch to resume transmission.
28
4-3-4.
Bandwidth Selection
(Requires optional band unit UT-28)
You can select WIDE or NARROW bandwidth only
when transmitting in the 283MHz band.
———
a26.5UU
BUSY
S&RAF—1—s5—_3s—_
NARROW indicator

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Tm-741aTm-741e