Furuno MARINE RADAR 1823C - Manual (Page 12)

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1.1.1 Mounting procedure
Tabletop, overhead mounting
Follow the procedure below to mount the display unit on a tabletop or the overhead.
1. Fix the hanger by four tapping screw (5x20).
2. Screw knob bolts in display unit, set it to hanger, and tighten knob bolts.
3. Attach hard cover to protect LCD.
Tapping screws (4 pcs.)
Knob bolts (2 pcs.)
Display unit
Hanger
Tabletop, overhead mounting of display unit
Note: For the overhead mounting, reinforce the mounting location and secure the hanger,
with bolts, nuts and washers (local supply).