19 tone squelch control [4/ctcss button, Note, Procedure) – ADI Systems AT-201 User Manual

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19 Tone Squelch Control

[4/CTCSS Button]

Tone squelch operation is available when an optional tone

squelch unit CTS145 is installed.

NOTE:

(1) Communication between stations incapable of tone

squelch operation or having different tone frequencies

is unavailable.

(2) Select and program the required tone frequency before

attempting tone squelch operation.

( Procedure)

Press the 4/CTCSS button while pressing the Function

button “T’ and “SQ” will appear on the display to indicate

that the tone squelch is turned on.

Press the 4/CTCSS button again while pressing the

Function button to disable the tone squelch ‘T’ and “SQ”

will disappear.

145.00MHz

100.0Hz

145,00MHz

100.0Hz