Garmin 520 Guía Del Usuario

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Do not mount the transducer directly in the  
path of the prop. The transducer can cause  
cavitation that may degrade the boat’s  
performance and damage the prop. 

Make sure that the transducer is below  
water level when the boat is on plane  
at high speed. 

Apply marine sealant to all 
screw threads to prevent water 
from seeping into the transom. 

Mount the transducer cable  
cover well above the  
waterline. 

Transducer should extend 
1/8

"

below fiberglass hull or  

3/8

"

below aluminum hull.  

OK

Mount the transducer parallel with the bottom.