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1.2 Network Sounder
The network sounder can be installed on a desktop, deck or on a bulkhead. When se-
lecting a mounting location for the network sounder, keep the following in mind:
• The temperature and humidity should be moderate and stable.
• Locate the unit away from exhaust pipes and vents.
• The mounting location should be well ventilated.
• Mount the unit where shock and vibration are minimal.
• Keep the unit away from electromagnetic field-generating equipment such as
motors and generators.
• Leave slack in cables for maintenance and servicing ease.
• A magnetic compass will be affected if the network sounder is placed too close to it.
Observe the compass safe distances noted in the safety instructions to prevent dis-
turbance to the magnetic compass.
• Fasten the network sounder to the mounting location with four self-tapping screws
(4×20).
NOTE: The DFF1 is not waterproofed. Mount the unit so that the cable entrance does
NOT face upward, to reduce the chance of water leakage into the unit.
2-Ø5
5
Ø12
12
144±1
219
44
R2.5
230±1
255
90
FIXING HOLES
# MORE THAN 70
# MORE THAN 70
# MORE THAN 85