Lowrance electronic X515C DF Benutzerhandbuch

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To adjust sensitivity in manual mode 
1. First, turn off Auto Sensitivity: from the Sonar Page, press 

|

↓ 

to 

|

. 

2. Press 

↑ to 

|

 and the Sensitivity Control Bar appears. 

Press 

↓ or ↑ to pick a different sensitivity setting. When it's set at the 

desired level, press 

. Repeat these steps to turn on Auto Sensitiv-

ity.  
NOTE: 

To return to the original factory setting for Auto Sensitivity, see the 

entry in this section on Reset Options. If sensitivity is in manual 

mode, the Reset Options command will switch back to Auto and re-

set the factory setting at the same time. 

For quicker sensitivity adjustments, try leaving the Sensitivity 

Control Bar on the screen as the chart scrolls. You can see the 

changes on the screen as you press the up or down arrows. This is 

handy when there's a lot of clutter in the water, and you are match-

ing the sensitivity to rapidly changing water conditions. 

This unit measures water depth from the face of the transducer. Since 

the transducer is installed below the water surface, the distance dis-

played by the digital depth, chart depth scale, chart cursor or fish sym-
bols is not the exact water depth. If the transducer is 1 foot below the 

surface, and the screen shows the water depth as 30 feet, then the ac-

tual depth is 31 feet. On sailboats or other large vessels with deep 

drafts, the distance between the transducer installation and the keel or