Front Panel Control & Switches - Yaesu FT-857D Operating Manual

F P
RONT
AF Knob
The (inner) VOL knob adjusts the receiver audio volume level presented to the internal
or external speaker. Clockwise rotation increases the volume level.
SQL/RF Knob
In the USA version, this (outer) SQL/RF knob adjusts the gain of the receiver's RF and
IF stages. Using Menu Mode No-080 [ SQL/RF GAIN ] , this control may be changed to
function as a Squelch control, which may be used to silence background noise when no
signal is present. In the other versions, its default setting is set to "Squelch."
SELECT knob
This detented rotary switch is used for VFO frequency tuning, memory selection, and
function selection for the [ A ] , [ B ] , [ C ] keys of the transceiver.
HOME Key
Pressing this key momentarily recalls a favorite "Home" frequency memory.
CLAR Key
Pressing this key activates the Receiver Clarifier feature. When this feature is activated,
the SELECT knob is used to set a tuning offset of up to ±9.99 kHz. The transmitter's
frequency is not affected by the setting of the Clarifier.
Press and hold in this key for one second to activate the IF Shift feature, which allows
you to use the SELECT knob to adjust the center frequency of the IF filter's passband
response.
20
C
ANEL ONTROL
HOME
CLAR
FUNC
& S
WITCHES
FT-857 Operating Manual