3- Use the Up / Down Arrow to select Contrast option.
4- Press Ent to enter into setting.
5- Use the Up / Down Arrow to change the value.
6- Press Ent to confirm and exit the setting.
11. Overlap Data
On the upper left coner display, there are 3 readouts: Water
depth, Temperature, Voltage. Overlap Data determines
which readout will be displayed.
To set Overlap Data:
1- Press Menu to enter into menu setting.
2- Repeatedly Press Menu to switch to DISPLAY menu.
3- Use the Up / Down Arrow to select Overlap Data option.
4- Press Ent to enter into setting.
5- Use the Up / Down Arrow to select the option.
6- Press Ent to confirm the option being displayed or not.
7- Press Exit to exit the setting.
12. Depth Alarm
The fishfinder sounds an alarm tone when the bottom goes
shallower or is equal to the alarm setting.
Note: once triggered, an alarm message will appear on the screen.
You can press Menu key to exit the depth alarm mode, however the
alarm will trigger again until your boat move to an area where the
water depth is beyond the depth alarm range. You also can choose to
exit the alarm mode by entering into the Depth Alarm menu and arti-
ficially increase the current depth alarm value to a safe grade.
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Echofish 600 – Installation & Operation manual