To Adjust Contrast - Honda HE-1500 Operation Manual

In case of dual frequency display
In case of dual frequency display, GAIN 1 key is effective for right display and
Gain 2 key is effective for left display.
Gain Readout
GAIN 2 GAIN 1
<In case of Low+High Freq.>
2 Adjust sensitivity of right display with GAIN 1 key.
[To decrease sensitivity]
Each time when you press GAIN 1 ▼ key, gain bar becomes short and the
sensitivity decreases.
[To increase sensitivity]
Each time when you press GAIN 1 ▲ key, gain bar becomes long and the
sensitivity increases.
GAIN 1 ▲ key
GAIN 2 ▼ key
<Portrait>

4. TO ADJUST CONTRAST

CONTRAST
When screen of fish finder scrolls (moves from right to left), display sometimes
flickers. In case there are too much flicker, adjust contrast value with left/right
key. Then, flicker decreases.
1 Adjust sensitivity of left display with GAIN 2 key.
[To decrease sensitivity]
Each time when you press GAIN 2 ▼ key, gain bar
becomes short and the sensitivity decreases.
[To increase sensitivity]
Each time when you press GAIN 2 ▲ key, gain
bar becomes long and the sensitivity increases.
<Landscape> <Portrait Reverse>
GAIN 2 ▲ key
GAIN 1 ▼ key
<Landscape Reverse>
15