ATT/IF button
Click this button can ON or OFF the
ATT (
receiver attenuation)
.
The
S
in the LCD display will change to
A
indicating the ATT is ON.
Pressing the
ATT/IF
for 2 seconds will enter the QSK setup
click this button to change between Full(QSK), 250ms,500ms and
800ms. when Completed, Pressing the
ATT/IF
for 2 seconds again
to exit.( If do not make any operation,8 seconds after it will be
automatic exit)
Change the Frequency Tuning Steps
While working in Ham band, pressing the tuning knob lwill
change the tuning step between 10Hz,100Hz or 1KHz (in the RIT
mode, will be 10Hz and 100Hz). Working in board casting band,the
step is 10Hz, 100Hz and 5kHz.
If you Pressing the tuning knob for 2 seconds, the tuning step will
be 100KHz.
IF filter adjustable function
Use IF FILT to change the IF filter bandwidth