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Tone scan, Pocket beep and tone squelch – Icom IC-208H User Manual

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POCKET BEEP AND TONE SQUELCH

Tone scan

By monitoring a signal that is being operated with pocket
beep, tone or DTCS squelch function, you can determine the
tone frequency or DTCS code necessary to open a squelch.

q Set the desired operating frequency or memory channel to

be checked for a tone frequency or code.

w Push [TONE•T-SCAN] several times to select the tone

type, tone squelch or DTCS, to be scanned.

• Either “T SQL” or “DTCS” appears

e Push [TONE•T-SCAN] for 1 sec. to start the tone scan.

• To change the scanning direction, rotate [DIAL].

r When the CTCSS tone frequency or 3-digit DTCS code is

matched, the squelch opens and the tone frequency is
temporarily programmed into the selected condition such
as memory or call channel.

• The tone scan pauses when a CTCSS tone frequency or 3-digit

DTCS code is detected.

• The decoded CTCSS tone frequency or 3-digit DTCS code is

used for the tone encoder or tone encoder/decoder depending
on the selected tone condition or type in step w.
- “T SQL”

: CTCSS tone encoder/decoder

- “DTCS”

: DTCS tone encoder/decoder

t Push [TONE•T-SCAN] to stop the scan.

z Set the frequency or memory channel to be

checked for a tone frequency.

x Selects the tone type to be scanned.

• Push [FUNC] then push; [

SIMP

9(TSQL)] for tone

squelch; [

HIGH

4(DTCS)] for DTCS squelch.

c Push [FUNC] then [

SCAN

2(T-SCAN)] to start

the tone scan.

v When the tone frequency is matched, the

squelch opens and the tone frequency is pro-
grammed into the selected mode such as
memory or call channel.

b Push [

CLR

A(MW)] to stop the scan.

NOTE: The decoded tone frequency is programmed tem-

porarily when a memory or call channel is selected. How-
ever, this will be cleared when the memory/call channel is
re-selected.

T-SCAN

During CTCSS frequency scan

During DTCS code scan

Push [TONE•T-SCAN] for 1 sec. to start tone scan.