Calibrating The Compass - Klein 3000 Series Operation And Maintenance Manual

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APPENDIX C General Setup, Configuration and Troubleshooting
C.6.16 Calibrating the Compass
Starting with version SonarPro 5.2 a Compass Calibration Wizard was added.
To start the Compass Calibration Wizard, click
on the Towfish Diagnostics tab of the Sonar Interface dialog box. Follow the
instructions and play the demonstration animation.
The compass calibration must be done away from all magnetic and metal sources,
most likely off the ship. You enable the towfish compass calibration mode and then
rotate the towfish slowly 360 degrees in a circle (more than a minute). At the same
time you must pitch and roll the towfish beyond its 20 degree limits, we suggest 45
degrees to be safe.
The compass calibration can also be done by manually entering commands in the
Operator command
command, click
To calibrate the compass manually, enter the following commands in the order
shown.
$MAF:
$MBF:
$Ch:
$Cmpcal=d:
$Ccc:
$Cmpcal=e:
$Cgo:
$Ch:
Series 3000 Sonar System Operations and Maintenance Manual
NOTE Excellent calibration results have been obtained by enabling the
compass calibration and towing the towfish in a series of three circles with
the boat.
NOTE If trying the method mentioned in the note above, survey the area
first making sure you have enough water to operate safely since the
transmitters are turned off.
area of the Towfish Diagnostics tab. After entering a
Send Command
Turn off the low frequency transmitter.
Turn off the high frequency transmitter.
Halt compass transmission.
Disables compass multi-point calibration mode.
Clears compass calibration table.
Enables multi-point calibration.
Starts compass for calibration. Rotate the towfish 360
degrees while rotating the towfish through the limits of
pitch and roll. This should be done over a time frame of
1 minute.
Halt compass calibration.
Run Compass Calibration Wizard
to send the command to the towfish.
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