Troubleshooting 491 Operations - NorthStar Echo Sounder 491 Operation Manual

8
491 Echo Sounder Operations Manual

Troubleshooting 491 Operations

Troubleshooting the echo sounder . . . . . . . 8-64
Checking the transducer . . . . . . . . . . . . . . . . . . 8-65
T
his chapter explains how to troubleshoot the echo sounder
system before returning the equipment for factory service.
Page 63