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4-2-4.
A.B.C. (Automatic Band Change)
The A.B.C. function allows you to exchange the contents
of SUB band to the MAIN band automatically whenever a
signal is received in the SUB band and SUB squelch is open.
1. Press the A.B.C. key.
The A.B.C.
indicator will
A.B.C.
turn on displayed in the
cI
LCD display.
(44805
FFesu0
2. As
soon
as a signal
is
received in the SUB band,
exchange the bands. *
=:
lf press
the PTT
switch,
A.B.C. function is released.
If does not press the PTT
switch 3 seconds after the
signal goes off, the MAIN
band return to SUB band.
Caution:
* The Tuning controls are not effective during this exchange.
4-2-5.
BEEP TONE
If you would not like audio confirmation when a function is
activated, turn the POWER
switch OFF. Then press and
hold the MUTE key and turn ON the power switch, then
release the mute key.
Repeating this procedure will turn the function back ON.
The transceiver supplies audio confirmation
according to
the accompanying chart.
Key operation
|
CALL, REV, TONE, CTCSS, F, SCAN, L.OUT, AL,
A.B.C., MUTE, DIM:OFF
144 MHz MAIN BAND, SUB BAND OFF, LOW
POWER ON
SCAN STOP
| 523.25 | VFO MODE SELECTION
687.33 | SIMPLEX
622.26
+ OFFSET
MR MODE SELECTION
To complete the MEMORY
Entry
To complete the CTCSS Frequency selection
220 MHz selection (TM-621A), 430 MHz selection
(TM-721A/721E), SUB BAND ON, HI POWER ON
CALL, REV, TONE, CTCSS, SCAN, L.OUT, AL,
A.B.C., MUTE ON
MEMORY CHANNEL, Tone frequency, Frequency step
880.00
F mode, Split channel ON
Band change during A.B.C.
1396.91
Key operation without effect
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