ICOM ic-e2820 User Manual

89

11

TONE SQUELCH AND POCKET BEEP

■ 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 squelch.

q Push [F•

] to display the function guide.

w Push [MENU](V/MHz•SCAN)

(Right band’s)

to enter MENU

screen.

e Rotate  [DIAL] to select “DUP/TONE…” then push

[MAIN•BAND].

r Rotate  [DIAL] to select either “REPEATER TONE,”

“CTCSS TONE” or “DTCS CODE” to be scanned.

t Push [SCAN](TONE•DTMF) to start tone scan.

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

y 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 feature, 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 r. 
- “REPEATER TONE”  : Tone encoder for repeater operation
- “CTCSS TONE” 

: CTCSS tone encoder/decoder

- “DTCS” 

: DTCS tone encoder/decoder

u Push [V/MHz•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.

T-SCAN

During CTCSS 
frequency scan

During DTCS code 
scan

During Repeater
tone scan

[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.