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10
3 Press [SCAN] to activate the CTCSS Freq. ID.
•
“CT SCAN” appears and blinks.
•
Scan starts when signals are received.
•
To reverse the scan direction, turn the Tuning control
clockwise (upward scan) or counterclockwise
(downward scan). You can also press Mic [UP]/ [DWN].
•
To quit the function, press [ESC].
•
When the CTCSS frequency is identified, the identified
frequency appears and blinks.
4 Press [OK] to program the identified frequency in
place of the currently set CTCSS frequency.
•
The CTCSS function will be remained ON. You may
press [TONE] to switch the CTCSS function OFF.
•
Press [ESC] if you do not want to program the identified
frequency.
•
Press [SCAN] while the identified frequency is blinking,
to resume scanning.
Note: Received signals are audible while scanning is in progress.
If using a MC-53DM, you can also use its keypad to
select a CTCSS frequency. First program one of the Mic
PF keys as the ENTER key {page 62}. In step 3, press
[ENTER], then enter 01 to 38 shown in the table {page
30}. To select 79.7 Hz, for example, press [ENTER], [0],
[5].
Note:
◆
You can select a separate tone frequency for the CTCSS and Tone
functions.
◆
You cannot use the CTCSS with the Tone or DCS function.
◆
If you select a high tone frequency, receiving audio or noise that
contains the same frequency portions may cause CTCSS to function
incorrectly. To prevent noise from causing this problem, select an
appropriate noise squelch level {page 20}.
CTCSS FREQ. ID
This function scans through all CTCSS frequencies to
identify the incoming CTCSS frequency on a received
signal. You may find it useful when you cannot recall the
CTCSS frequency that the other persons in your group
are using.
1 Press
[TONE] to switch ON the CTCSS function.
•
“CTCSS” appears when the CTCSS function is ON.
2 Press [F], [T.SEL].
•
The current CTCSS frequency appears and blinks.
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