Kenwood TH-78A Instruction Manual page 10

When you press the BAND key, control of each
function is transferred to the VHF band.
When you press and hold the E.CHG key (or within
two seconds of pressing the E.CHG key), each
control temporary control of the volume or tuning
control passes to the VHF band.
We recommend that you use this function in order to
temporarily change the volume or frequency of the
normally uncontrolled band.
Separate volume control function
Press the F key then press the E.CHG key.
Functions as the
volume control for
the VHF band.
\
\
Functions as the
volume control for
the UHF band.
Separate tuning control function
While operating the separate volume control mode,
press the F key then the E.CHG key.
Functions as the
tuning control for
the VHF band.
Returning to the original mode.
Press the F key for longer than one second then
press the E.CHG key.
Functions as the
tuning control for
the UHF band.
11