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3 Press [SCAN] to activate the CTCSS Frequency 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 end this 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 remain ON. You can 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.
When using a MC-58DM, you can also use its keypad to
select a CTCSS frequency. First program one of the Mic
PF keys as the ENTER key {page 59}. In step 3
(above), press [ENTER], then enter 01 to 38 to select
the frequencies listed in the table on page 28. 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 CTCSS with the Tone and DCS functions.
◆ 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 FREQUENCY ID
This function scans through all CTCSS frequencies to
identify the incoming CTCSS frequency on a received
signal. You may find this useful when you cannot recall
the CTCSS frequency that the other persons in your
group are using.
1 Press
[TONE] to switch the CTCSS function ON.
• “CTCSS” appears when the CTCSS function is ON.
2 Press [F], [T.SEL].
• The current CTCSS frequency appears and blinks.