Lowrance electronic HDS 8 Manual Do Utilizador

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The Sonar Settings Menu is used to modify Sonar 

options and display settings like Sonar Source, 

Noise Rejection and Fishing Mode. 
To access the Sonar Settings:

1.  Press 

MenU twice.

2.   Select  Sonar and press 

enTeR.

Allows your unit to send/receive sonar data from another sonar unit on an ethernet 

network. To turn on/off network sonar, highlight Network sonar on the Sonar 

Settings menu and press 

enTeR. Sonar sharing is covered in the Sonar section.

Interference from bilge pumps, engine vibration, 

air bubbles, etc, can clutter your unit’s display. 

Noise Rejection uses ASP (Advanced Signal 

Processing) to automatically clear interference 

from the display. 
To adjust Noise Rejection:

1.   Highlight  Noise Rejection  on  the  Sonar  Settings  menu  and  press 

enTeR. 

2.   Use the keypad to select the desired option and press 

enTeR.

Wave action, boat wakes and temperature 

inversion are some of the sources that can 

cause onscreen clutter near the surface. 

Surface Clarity reduces surface clutter by 

decreasing the sensitivity of the receiver 

near the surface.