Humminbird HDR 650 Fish Finder User Manual


 
Power On/Off
The power is controlled by the power source connected to the HDR 650. When
the power source is turned on, the HDR 650 is powered on. When the power
source is turned off, the HDR 650 is powered off.
Key Functions Overview
1. Select a Function: Press the MENU key repeatedly until you reach the
appropriate menu.
2. Adjust the Setting: Press the UP or DOWN arrow key to adjust the
setting. Press + Hold either key to scroll through the range of settings
quickly.
3. Save: After your selection is made, wait 5 seconds for the unit to return
to normal operation. Your settings are saved automatically even after the
unit is powered off.
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Operations