Beep Tone - Kenwood TM-721A Instruction Manual

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 AB.C.
turn on displayed in the co
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2. As soon as a signal is _
received in the SUB band, {| 11 21.20 1s
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exchange the bands. *
ff press the PTT switch, If does not press the PTT
A.B.C. function is released. switch 3 seconds after the
signal goes off, the MAIN
band return to SUB band.
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Caution:
* The Tuning controls are not effective during this exchange.
18
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.
Scale Freaueney Key operation
A 440.00 CALL, REV, TONE, CTCSS, F, SCAN, L.OUT, AL,
A.B.C., MUTE, DIM:OFF
A# 466.16 144 MHz MAIN BAND, SUB BAND OFF, LOW POWER
ON
B 493.88 SCAN STOP
Cc 523.25 VFO MODE SELECTION
C# 554.37 — OFFSET
D 587.33 SIMPLEX
D# 622.26 + OFFSET
E 659.25 MR MODE SELECTION
F 698.46 To complete the MEMORY Entry
To compiete the CTCSS Frequency selection
F# 739.98 430 MHz selection, SUB BAND ON, HI POWER ON
G 783.98 CALL, REV, TONE, CTCSS, SCAN, L.OUT, AL, A.B.C.,
MUTE ON
G# 830.61 MEMORY CHANNEL, Tone frequency, Frequency step
selection
A 880.00 F mode, Split channel ON
Ad# 932.33 Band change during A.B.C.
F 1396.91 Key operation without effect