Icom IC-4088S Instruction Manual page 23

D Ring tone type
Ring tone is selectable with 10 different indi-
vidual sounds.
D D LCD backlight
The IC-4088S has LCD backlight light for nighttime operation, and
the lighting condition can be selected to suits a specific preference,
from Auto, ON and OFF.
Auto (At)
ON (on)
OFF (oF)
: Lights when any switch,
except [PTT], is pushed.
When no key operation is
performed for 5 sec., the
backlight goes OFF.
: Lights continuously.
: Never lights.
OTHER FUNCTIONS
10
10
19