Raymarine stand-alone master instrument - Manual (Page 18)

Chapter 2: Transducer Installation 15
Siting of depth transducer (Standard through hull)
The depth transducer must be vertical to within 10°, forward, aft and
athwart ships.
10° Max
D630
2.5 Cabling
Run the transducer cable back to the instrument. Avoid fluorescent lights,
engines, radio transmitting equipment and, in the case of the depth
transducer, avoid the speed transducer cable. The cables should also be
kept clear of the bilgeÕs and be secured at regular intervals.
Note: The depth transducer cable must not be shortened.
Shortening of the cable will affect the performance of the
transducer. For further information, please contact Autohelm or
an authorised Autohelm agent.