Humminbird AS GR16 Operation Manual page 9

SOLIX Series Cont.
If the procedure failed: If the Heading digital readout is
significantly different than the COG, the Heading Sensor
might be installed in a location with too much magnetic
interference. Check the installation location and possible
magnetic disturbances in the area.
Confirming the Heading Digital Readout (Chart View)
course
(GPS
required)
heading
(heading
sensor
required)
Confirming the Heading Digital Readout (Sonar View)
course
(GPS
required)
heading
(heading
sensor
required)
HELIX Series Cont.
8. Navigate the boat in a straight line, in calm, open water
at 4.5 mph. Compare the Heading digital readout on the
screen with the Course (COG) digital readout. The readouts
should be within approximately 5° of each other.
Adjust: To adjust the zero point of the Heading Sensor,
select Main Menu > Navigation tab > Heading Offset.
Press the RIGHT or LEFT Cursor keys to adjust the setting.
If the procedure failed: If the Heading digital readout is
significantly different than the COG, the Heading Sensor
might be installed in a location with too much magnetic
interference. Check the installation location and possible
magnetic disturbances in the area.
Confirming the Heading Digital Readout (Chart View)
course
(GPS
required)
heading
(heading
sensor
required)
Confirming the Heading Digital Readout (Sonar View)
course
(GPS
required)
heading
(heading
sensor
required)
9 Getting Started