3) Press Right Arrow to enter into Alarm setting.
4) Use the Up/Down Arrow to select the Battery option.
5) Press Right Arrow to enter into the setting.
6) Press Up/Down Arrow to increase or decrease the value.
7) Press ENT to confirm the setting.
8) Press EXIT to exit the menu setting.
Note: once triggered, an alarm message will appear on the screen.
You can press any key 2 times to clear the alarm message. However
the alarm will continuously appears unless the voltage of the battery
is higher than the Battery Alarm setting. You can also manually
choose exiting the Battery Alarm Mode by pressing any key 1 time,
then you will fast enter into the Shallow Alarm setting, and just
changing the setting to a safe value will be ok.
Trouble shooting
Unit doesn't power up.
Check the cable connection and wiring. Make sure the
1-
cable is correctly connected to the f ishfinder. The red wire
connects to positive terminal, and the black one to negative
terminal or ground.
Make sure the battery voltage is not lower than the
2-
warning value (10v).
Check the fuse.
3-
Weak Bottom Echo, Unstable Depth Reading, or
No Fish Signals.
Make sure the transducer is installed correctly.
1-
Extremely heavy vegetation may interfere the sonar signal,
2-
causing a misinterpretation of depth. If you are sure that
the readings are incorrect under these conditions, avoid us-
ing your instruments in those areas.
Echofish 820 – Installation & Operation manual
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