RIT/SET button
Click this button to enter or exit RIT function. “R-” will be displayed to the middle of the
frequency display.
When in the
RIT
mode, turning the tuning knob clockwise will raise the frequency (as
indicated by the up arrow). turning the tuning knob counter-clockwise will lower the frequency
(as indicated by the down arrow).
Press and hold the
RIT/MOD
for 2 seconds. This will allow you to change the Keyer speed.
Current keyer speed will show on LCD, turning the
TUNE/STEP
to adjust. Press and hold the
RIT/MOD
for 2 seconds for each change.
ATT button
ATT is at back panel of EK1A, press ATT while the strong signal received and attenuation the
front end signal.
