press PWR to return to the Deep Alarm menu. Use ↑ to select ON, which will turn on the alarm, then press PWR to clear the menu. When the bottom depth becomes deeper than the alarm’s setting, an alarm will sound and a message will appear on the screen.
Battery Alarm
To set the shallow alarm depth, press MENU repeatedly until BATTERY ALARM appears.
Low Battery Alarm Value (left). Battery Alarm menu (right).
Press the ↓ to SET VALUE. The Low Battery Alarm Value dialog box will appear. Input a voltage value between 7 and 18 volts. Use the ↑ ↓ keys to enter the first number in the dialog box, then press DOWN MENU to move to the next digit. Repeat those steps until the desired value has been entered in the dialog box. To move the cursor back to any of the previously entered numbers, press UP MENU. Otherwise, press PWR to return to the Battery Alarm menu. Use ↑ to select ON, which will turn on the alarm, then press PWR to clear the menu. If the voltage value falls below the alarm’s setting, the alarm will sound and a message will appear on the screen.
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