The VFO standard for all Radio's.
VFO Dial Plugin
L-Linked (adjusts the receive and transmit frequencies simultaneously)
R- adjusts the receive frequency only
T- adjusts the transmit frequency only
R=T- sets the receive frequency equal to the current transmit frequency
Swirling the VFO knob with the mouse will instantly alter the frequency in small increments. If you
swirl the VFO slowly, the frequency increments are smaller. Move the VFO knob very carefully for
fine-tuning. The frequency can be adjusted in1-Hertz steps.