Klein 3000 Series Troubleshooting Manual page 69

SYSTEM 3000 OPERATIONS AND MAINTENANCE MANUAL
Towfish Diagnostics
Enter the following command sequence into the Operator command area.
Compass Calibration Commands
(Follow the order below, and make sure to use "Send Command")
$MAF
$MBF
$Ch
$Cmpcal=d
$Ccc
$Cmpcal=e
$Cgo
$Ch
$Cmpcal=d
$Cgo
$MA0
$MB0
Now turn towfish off and then on again, and check that the compass is working. This
completes the calibration.
Series 3000 Towfish Commands for Troubleshooting
Multiplexer Commands:
$MLn
$MHn
L-3 Klein Associates, Inc.
Turn off low frequency transducer transmitter
Turn off high frequency transducer 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
Disables compass multi-point calibration mode
Starts compass
Turn on low frequency transducer transmitter
Turn on high frequency transducer transmitter
Low frequency TVG page select. 7 is default.
High frequency TVG page select. 7 is default.
TROUBLESHOOTING GUIDE 4-65