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1. OPERATION
8
1. Open the menu, select [Sounder] and
press the ENTER key.
2. Select [Pic. Advance] and press the EN-
TER key.
3. Select picture advance speed desired
and press the ENTER key. [1/16] is the
slowest speed and [x4] is the fastest
speed. [1/16] means one scan line is pro-
duced every 16 transmissions. [Stop]
stops picture advancement and is useful
for taking a screenshot. Current picture
advance speed is displayed at the top-
right corner of the screen.
4. Press the MENU/ESC key twice to close
the window.
1.11 How to Reduce
Interference
Interference from other acoustic equipment
operating nearby or other electronic equip-
ment on your boat may show itself on the dis-
play as shown in the figure below. Follow the
procedure below to reduce interference.
1. Open the menu, select [Sounder] and
press the ENTER key.
2. Select [Interference] and press the EN-
TER key.
3. Select the degree of interference reduc-
tion desired and press the ENTER key.
[Auto]: Interference is suppressed auto-
matically.
[High], [Medium], [Low]: [High] provides
the greatest degree of interference reduc-
tion and [Low] is the smallest.
[Off]: Turn off the interference rejector.
Note: Turn off the interference rejector
when no interference exists, so as not to
miss weak echoes from small targets.
4. Press the MENU/ESC key twice to close
the window.
Fast
Slow
Fast
Slow
CAUTION
The picture is not refreshed when
picture advancement is stopped.
Maneuvering the vessel in this condition
may result in a dangerous situation.
Interference from
other sounder
Electrical interference