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To set the Keel Offset:
1) Press Menu to enter into the
menu setting.
2) Use the Up / Down Arrow to
select Display Option.
3) Press Right Arrow to enter
into Display setting.
4) Use the Up / Down Arrow to
select the Keel Offset option.
5) Press Right / Arrow to enter
into the setting.
6) Press Right / Left Arrow to
change the option.
7) Press Ent to confirm the
setting.
8) Press Exit to exit from the menu setting.
3. System
Beeper
Beeper is used to set whether the sonar unit sounds a tone or not when a key is pressed.
To set the Beeper:
1) Press Menu to enter into the
menu setting.
2) Use the Up / Down Arrow to
select System Option.
3) Press Right Arrow to enter
into System setting.
4) Use the Up / Down Arrow
to select the Beeper option.
5) Press Right / Arrow to enter into
the setting.
6) Press Up / Down Arrow to change
the option.
7) Press Ent to confirm the setting.
8) Press Exit to exit from the menu
setting.
