23
FT-90R O
PERATING
M
ANUAL
Operation
Display Brightness
The light blue display illumination has been specially engineered to provide high
visibility over a wide range of ambient lighting situations.
The brightness of the display is manually adjustable, using the following pro-
cedure:
1. Press and hold in the
key for one second, then rotate the
M
AIN
D
IAL
knob to select “
1 0 D D i m
.”
2. Press either the
or
key to select a comfortable brightness level
(
d 1
,
d 2
,
d 3
,
d 4
, or
O F F
).
3. Press and hold in the
key for 1.5 second to save the new setting and
exit to normal operation.
Display Contrast
The contrast of the display is manually adjustable in this radio, as well, using
the following procedure:
1. Press and hold in the
key for one second, then rotate the
M
AIN
D
IAL
knob to select “
0 9 D C o n
.”
2. Press either the
or
key to select a comfortable contrast level
(
0
~
1 2
).
3. Press and hold in the
key for 1.5 second to save the new setting and
exit to normal operation.
Summary of Contents for FT-90R
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Page 61: ...59 FT 90R OPERATING MANUAL Notes...