9
SCANS
9-11
Tone scan operation
FM mode
The IC-R8600 can detect subaudible tone frequency or
the DTCS code in a received signal. You can determine
the tone frequency or DTCS code necessary to open
the squelch.
1. On the FUNCTION screen, touch [TONE] for
1 second.
2. Touch [T-SQL TONE] or [DTCS CODE].
(Example: T-SQL TONE)
3. Touch [T-SCAN].
•The Tone scan starts.
Information
L
• The selected tone frequencies or codes are scanned,
and “SCAN” blinks under the frequency readout.
•The audio is muted.
• The scan speed is slow when the squelch is open, and is
fast when the squelch is closed.
4. When the tone frequency or code is detected, the
tone scan pauses.
•The detected frequency or code is automatically set.
5. To cancel the scan, touch [T-SCAN] again.
L
The last scanned tone frequency or code is displayed.
6. To close the TONE FREQUENCY screen, push
EXIT
.
Blinks
during scan
FM, WFM, AM and SSB modes
The Voice Squelch Control (VSC) function opens
the squelch, or stops the scan only when voice
components are detected in the signal.
L
It is convenient to receive only voice communications.
1. Push
.
2. Touch [VSC].
•Each touch turns the VSC function ON or OFF.
•"VSC" appears when the function is ON.
3. To close the setting menu, push
EXIT
.
Voice Squelch Control function
Lights
Displayed
NOTE:
The VSC function is designed to not detect a continuous
audio signal. When receiving a signal such as a radio
broadcast program that contains a continuous audio, the
received audio may be broken up. In such case, turn OFF
the VSC function.
