Icom IC-2800H

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SUBAUDIBLE TONE OPERATION
■ Tone squelch operation
The tone squelch opens only when receiving a signal con-
taining a matching subaudible tone.You can silently wait for
calls from group members using the same tone.
q Select the desired band with the desired band’s [MAIN].
w Set an operating frequency.
e Set the desired CTCSS tone using the edit screen.
•See right for programming.
r Push [TON] one or more times until “TSQL” appears in the
function display.
•Push [CHG/L] if [TON] is not displayed.
t When the received signal includes a matching tone,
squelch opens and the signal can be heard.
•When the received signal’s tone does not match, tone squelch
does not open, however, the S-indicator shows signal strength.
•To open the squelch manually, push [MONI].
y Operate the transceiver in the normal way.
u To cancel the tone squelch, push [TON] one or more times
to clear “TSQL.”
➲
CONVENIENT
Store subaudible tone frequencies and tone squelch ON/OFF
settings in memories (call) for easy recall.
q Select the desired band with [BAND].
w Set an operating frequency.
e Set the desired CTCSS tone in the edit screen
using the remote controller unit.
•See right for programming.
r Push [FUNC] then [o TSQL] to activate the
tone squelch.
t When the received signal includes a matching
tone, squelch opens and the signal can be
heard.
•When the received signal’s tone does not match,
tone squelch does not open, however, the S-indica-
tor shows signal strength.
•To open the squelch manually, push [q MONI].
y Operate the transceiver in the normal way.
u To cancel the tone squelch, push [FUNC] then
[G T-OFF].
TSQL
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