I Tone/Dtcs Squelch; I Digital Code/Digital Call Sign Squelch - Icom IC-91A Instruction Manual

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OTHER FUNCTIONS

I Tone/DTCS squelch

q Set the desired operating frequency, CTCSS tone and
DTCS code.
w Push and hold [TONE](7) for 1 sec. several times to acti-
vate the tone or DTCS squelch.
• Subaudible tone encoder "TONE," tone squelch "TSQL," pocket
beep "TSQLS," DTCS squelch "DTCS," DTCS beep
"DTCSS" and no tone operation are activated in order.
• Rotating [DIAL] while pushing [TONE](7) also selects the tone
functions.
e Operate the transceiver in the normal way.
r When the received signal includes a matching tone/code,
the squelch opens and the signal can be heard.
• When the received signal's tone/code does not match,
tone/DTCS squelch does not open, however, the S-indicator
shows signal strength.
• To open the squelch manually, push and hold [SQL].
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(TONE, TSQL or DTCS)
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I Digital code/digital call sign
squelch
The optional UT-121 is required for the IC-91A
q Set the desired operating frequency on DV mode, Digital
code and MY CALL SIGN.
w Push and hold [DSQ](7) for 1 sec. several times to acti-
vate the digital code or digital call sign squelch. (DSQL or
CSQL)
• Digital call sign squelch "DSQL," Digital call sign beep
"DSQLS", Digital code squelch "CSQL," Digital code beep
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"CSQLS" and no tone operation are activated in order.
• Rotating [DIAL] while pushing [DSQ](7) also selects the tone
functions.
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e Operate the transceiver in the normal way.
r When the received signal includes a matching call
sign/code, the squelch opens and the signal can be heard.
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• When the received signal's call sign/code does not match, digital
call sign/digital code squelch does not open, however, the S-in-
dicator shows signal strength.
• To open the squelch manually, push and hold [SQL].
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