Uniden MC 800 - Manual (Page 21)

Installation-Cabling
A 24' |7 meter) length of interconnecting cable with connector is
supplied with each transducer and sensor assembly, and normally
should not be shortened or lengthened. If only a short cable run is
required, it is recommended that the excess be coiled and stored out
of the way.
The transducer cable should be run independently in the boat to the
indicator unit. It should not be run close to other wiring (including
the unit's own power leads) for an appreciable distance, and should
be kept away from engine and related electrical wiring particularly.
If it is necessary for the transducer cable to cross other wiring, it is
best that it cross at right angles (or as close to 90° as possible) to
minimize noise pickup.
There is also a 10' transducer cable extension available as an optional
accessory.
C E N T R A L L Y - M O U N T E D
T R A N S D U C E R
F I S H F I N D E R
T R A N S D U C E R
- 18 -