■ Main/Sub band selection
The IC-7800 has 2 identical receivers, main and sub.
The main band is displayed on the left hand side, and
the sub band is displayed on the right hand side of the
LCD. Some functions can only be applied to the se-
lected band and transmission occurs on the main band
(except during split frequency operation).
➥ Push [MAIN] to select the main band.
• The key backlight for [MAIN] lights.
• Main band’s frequency readout highlighted.
➥ Push [SUB] to select the sub band.
• The key backlight for [SUB] lights.
• Sub band’s frequency readout highlighted.
■ Selecting VFO/memory mode
VFO is an abbreviation of Variable Frequency Oscilla-
tor, and is commonly referred to as a main tuning func-
tion.
The main dial is often called the “VFO knob.”
➥ Push [V/M] to switch between VFO and memory
modes.
• “VFO” appears when in VFO mode, or the selected
memory channel number appears when in memory
mode.
• Pushing [V/M] for 1 sec. transfers the contents of the se-
lected memory channel to VFO. (p. 8-5)