Kenwood TM-733A Instruction Manual page 22

@ F (Function) button
Allows you to select the different functions that are
available on multifunction buttons. Different functions
are selected as follows:
+ By pressing and releasing [F], then pressing another
button ([F], [Button])
+ By pressing and holding [F] down for 1 second or
more, releasing it, then pressing another button
([F] (1 s), [Button})
+ By pressing and holding [F], then pressing another
button ([F]+[Button])
@ CONT SEL (Control Select) button
+ Remote Control mode select {page 80}
+ VHF/VHF or UHF/UHF configuration {page 30}.
® @® VOL (Volume) controls
BAND SEL (Band Select) buttons