COMMON TASKS
Yaesu FT-8900R Operating Manual Expanded Edition (courtesy of W5JCK)
Page 21 of 77
To activate the
Audio Mute
feature:
1.
Press the
SET key
momentarily to enter the
Set
mode.
2.
Rotate the
DIAL
knob to select
Menu #24
MUTE
.
3.
Press the
DIAL
knob momentarily, then rotate the
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
DIAL
knob for ½ second to save the new setting and exit to
normal operation.
0.
Set the RF Squelch Level
A special
RF Squelch
feature is provided on this radio. This feature allows you to set the
squelch so that only signals exceeding a certain S-meter level will open the squelch.
When setting up the RF Squelch circuit for operation, note that you may set the
RF Squelch
independently for the left and right sides, using the following procedure:
1.
Press the
SET key
momentarily to enter the
Set
mode.
2.
Rotate the
DIAL
knob to select
Menu #32
RF SQL
.
3.
Press the
DIAL
knob momentarily, then rotate the
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
DIAL
knob for ½ second to save the new setting and exit to
normal operation.
5.
Finally, rotate the
SQL
knob fully clockwise.
0.
Activate the Time-Out Timer
The
Time-Out Timer
(
TOT
) feature is designed to force the transceiver into the
Receive
mode
after a preset time period of continuous transmission (the default is 6 minutes). This feature
prevents your transceiver from transmitting a dead carrier for a long period of time in the
event that the microphone
PTT
switch is accidentally locked in the
TX
position.