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• As you turn the Tuning control, the selection cycles as
follows: “OFF” ➞ “TONE” ➞ “CTCSS” ➞ “DCS” ➞ “OFF”.
3 Press [MENU].
• “CT” appears on the upper part of display, indicating
that the CTCSS function is activated.
4 Press any key other than [MENU], [MONI/SQL], and
[LAMP] to exit Menu Mode.
When CTCSS is ON, you will hear calls only when the
selected CTCSS tone is received. To answer the call,
press and hold [PTT], then speak into the microphone.
Note:
◆ You cannot use the CTCSS and Tone/ DCS functions
simultaneously. Switching the CTCSS function ON after having
activated the Tone/ DCS functions deactivates the Tone/ DCS
functions.
◆ If you select a high CTCSS 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 squelch level {page 18}.
◆ While transmitting the 1750 Hz tone by pressing [CALL]
{page 35}, the transceiver does not transmit the CTCSS tone.
Selecting a CTCSS Frequency
1 Press [MENU] and turn the Tuning control to select
Menu No. 4 (CT).
• The current CTCSS frequency appears.
2 Press [MENU] and turn the Tuning control to select
your desired CTCSS frequency.
• The selectable CTCSS frequencies are the same as
those for the Tone frequency. Refer to the table on the
following page for the available CTCSS frequencies.