24
FT-7800R O
PERATING
M
ANUAL
D
ISPLAY
B
RIGHTNESS
The
FT-7800R
display illumination has been specially engineered to provide high visibility
with minimal disruption of your “night vision” while you are driving. The brightness of the
display is manually adjustable, using the following procedure:
1. Press and hold in the [
BAND
(
SET
)] key for 1/2 second to enter the Set mode.
2. Rotate the
DIAL
knob to select Menu #11 (
DIMMER
).
3. Press the [
BAND
(
SET
)] key momentarily, then rotate
the
DIAL
knob to select a comfortable brightness level:
DIM 1
,
DIM 2
,
DIM 3
, or
DIM.OFF
(no illumination).
4. Press the [
BAND
(
SET
)] key momentarily to save the
new setting, then press and hold in the [
BAND
(
SET
)]
key for 1/2 second to exit to normal operation.
RF S
QUELCH
A special “RF Squelch” feature is provided on this radio. This feature allows you to set the
squelch so that only signals exceeding a certain S-meter level will open the squelch.
To set up the RF Squelch circuit for operation, use the following procedure:
1. Press and hold in the [
BAND
(
SET
)] key for 1/2 second to enter the Set mode.
2. Rotate the
DIAL
knob to select Menu #32 (
RF SQL
).
3. Press the [
BAND
(
SET
)] key momentarily, then rotate
the
DIAL
knob to select the desired signal strength level
for the squelch threshold (
OFF
,
S-2
,
S-3
,
S-4
,
S-5
,
S-6
,
S-7
,
S-8, S-9
, or
S-FULL
).
4. Press the [
BAND
(
SET
)] key momentarily to save the
new setting, then press and hold in the [
BAND
(
SET
)] key for 1/2 second to exit to
normal operation.
5. Finally, rotate the
SQL
knob fully clockwise.
A
DVANCED
O
PERATION
