Table of Contents
ii
Operatingthe HDR 650 30
TheHDR 650 Control Head............................................................................................30
PowerOn/Off..................................................................................................................31
KeyFunctions Overview ................................................................................................31
Units................................................................................................................................32
ShallowAlarm................................................................................................................33
DeepAlarm ....................................................................................................................34
SetOffset (waterline or keel)........................................................................................35
Maintenance 36
HDR650 Maintenance ..................................................................................................36
TransducerMaintenance..............................................................................................36
Troubleshooting 37
HDR650 Doesn't PowerUp ..........................................................................................37
NoBottom Reading on the Display..............................................................................38
NoContinuous Depth Displayin Very Shallow Water................................................38
ScreenFades, Images areNot Sharp ..........................................................................38
BottomReading DisappearsDuring a Hard Turn ........................................................38
1-YearLimited Warranty 39
Humminbird®ServicePolicy 40
ReturningYourUnit for Service ....................................................................................41
Specifications 42
ContactHumminbird® 44