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6.6.2 Gain adjustment
The gain in the echo sounder screen mode can be adjusted by operating the gain keys
( and ) of the controller or by menu operation using the cross-cursor and the
menu key ( ).
Gain adjustment by gain key operation
The gain in the echo sounder screen mode can be adjusted by moving the
cross-cursor into the echo sounder screen display area and by pressing the gain keys
( and ).
Gain adjustment by menu operation
The gain can be adjusted by menu operation using the cross-cursor and the menu key
( ).
Operation procedure:
(1) Press the menu key ( ) to open the menu.
(2) Place the cross-cursor over "SUB SCREEN,” and then press the menu key ( )
to open the "SUB SCREEN" menu.
(3) Place the cross-cursor over "ECHO SOUNDER,” and then press the menu key
( ) to open the "ECHO SOUNDER" menu.
(4) Place the cross-cursor over "GAIN,” and then press the menu key ( ) to open
the "GAIN" menu.
(5) Place the cross-cursor over "▲,” and then press the menu key ( ) to increase
the gain. Place the cross-cursor over "▼,” and then press the menu key ( ) to
decrease the gain.
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