Rf Squelch - Yaesu FT-8800 Reference

3. Tap the "Main" band DIAL knob momentarily, then rotate
the "Main" band DIAL knob to choose the desired selection.
TX: Reduces the audio level of the "Receive Only" band
whenever you transmit on the "Main" band
RX: Reduces the audio level of the "Receive Only" band
whenever you receive a signal on the "Main" band.
TX/RX: Reduces the audio level of the "Receive Only" band
whenever you receive a signal on the "Main" band or
you transmit on the "Main" band
OFF: Disables the Audio Mute feature
4. Press and hold in the "Main" band DIAL knob for 1/2
second to save the new setting and exit to normal operation.

RF SQUELCH

This feature allows you to set the squelch so that only signals
exceeding a certain S-meter level will open the squelch. You
may set the RF Squelch independently for the "left" and "right"
sides, using the following procedure:
1. Tap the [SET] key momentarily to enter the Set mode.
2. Rotate the "Main" band DIAL knob to select Menu #32 (RF
SQL).
3. Tap the "Main" band DIAL knob momentarily, then rotate
the "Main" band DIAL knob to select the desired signal
strength level for the squelch threshold (OFF, S-2, S-5, S-9,
or S-FULL).
4. Press and hold in the "Main" band DIAL knob for 1/2
second to save the new setting and exit to normal operation.
5. Finally, rotate the SQL knob fully clockwise.
[SET] [LOW] [V/M] [HM] [SCN]
FT-8800 Reference 11