Lowrance HDS-5x Operation Manual page 94

Troubleshooting
4.
Noise
1.
2.
3.
4.
cally, or not at all.
off including the engine. Turn on your sonar unit.
turned off, then start the engine. Increase the RPM with
the gearshift in neutral. If noise appears on the display, the
sure to use the in-line fuse supplied with the unit when wir-
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