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Distress alert unit IC-302-DSC/Incoming indicator IC-303-DSC
Select the mounting location where the button on the unit can be operated easily in an
emergency. See the back of the manual for mounting dimensions and recommended clearance
space.
1. Unfasten four screws to remove the cover.
Terminal
Board
Cable Entrances
IC-302-DSC/IC-303-DSC
2. Fasten the unit with four tapping screws (3x10, supplied).
3. Pass the cable through appropriate entrance to connect to the terminal board. There are
two cable entrances, one at the bottom and one on the back. Select one.
4. Attach the cover with four screws.
5. Clamp the cable outside of the unit with cable clamp (local supply).
External loudspeaker
The external loudspeaker can be installed on a tabletop, the overhead or bulkhead. Fasten the
loudspeaker to the mounting location with tapping screws (3.6x16, supplied). For mounting
dimensions, see the outline drawing at the back of this manual. The external loudspeaker
should be mounted within 2.8 m from the control unit because of the cable length.
AC-DC power supply unit PR-850A
When selecting a mounting location, keep in mind the following points.
• Select a location which provides adequate ventilation.
• The location should be clean and dry.
• The mounting location must be able to support the weight of the unit (35 kg) under the
continued conditions of vibration normally encountered abroad the vessel.