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3.8 Cable routing
Cable routing requirements for the transducer cable.
Important: To avoid interference, the cable must
be routed as far away from VHF radio antenna
cables as possible.
The cable can be routed through or over the
transom.
Check that the cable is long enough to reach
the equipment that it will be connected to. An
optional 4 m (13.1 ft) extension cable is available
if required.
Ensure there is enough slack in the transducer
cable, at the transducer end, to allow the
transducer to pivot up and down.
Secure the cable at regular intervals using the
supplied cable clips.
Fill all transom mounting holes with marine-grade
sealant prior to tightening securing screws.
Fill the transom cable hole with marine-grade
sealant after routing the cable (if routing through
the transom).
Use the supplied escutcheon to cover over
the transom cable hole (if routing through the
transom).
Any excess cable can be coiled up at a convenient
location.
3.9 Selecting a location for the display
General location requirements
When selecting a location for the unit it is important
to consider a number of factors.
Ventilation requirements
To provide adequate airow:
Ensure that equipment is mounted in a
compartment of suitable size.
Ensure that ventilation holes are not obstructed.
Ensure adequate separation of equipment.
Mounting surface requirements
Ensure units are adequately supported on a secure
surface. Do NOT mount units or cut holes in places
which may damage the structure of the vessel.
Cable routing requirements
Ensure the unit is mounted in a location which allows
proper routing and connection of cables:
Minimum cable bend radius of 100 mm (3.94 in) is
required unless otherwise stated.
Use cable supports to prevent stress on
connectors.
Electrical interference
Select a location that is far enough away from
devices that may cause interference, such as
motors, generators and radio transmitters/receivers.
GPS location requirements
In addition to general guidelines concerning the
location of marine electronics, there are a number
of environmental factors to consider when installing
equipment with an internal GPS antenna.
Mounting location
Above Decks mounting:
It is recommended that the display is mounted
above decks as this provides optimal GPS
performance.
Below Decks mounting:
GPS performance may be less effective when
mounted below decks.
Vessel construction
The construction of your vessel can have an impact
on GPS performance. For example, the proximity
of heavy structures such as a structural bulkhead,
or the interior of larger vessels may result in a
reduced GPS signal. Before locating equipment
with an internal GPS antenna below decks, seek
professional assistance.
Prevailing conditions
The weather and location of the vessel can affect the
GPS performance. Typically calm clear conditions
provide for a more accurate GPS x. Vessels at
extreme northerly or southerly latitudes may also
receive a weaker GPS signal. GPS antenna mounted
below decks will be more susceptible to performance
issues related to the prevailing conditions.
Planning the installation
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