12 RAYDATA Installation and Operation HandbookCaution: Make sure there are no hidden electrical wires or otheritems behind the desired location before proceeding.2. Remove the mounting template (located just inside the rear cover ofthis handbook), and attach it to the panel. Drill a pilot hole inside thecircular hole.3. Using a suitable hole saw, cut a 3in (76mm) diameter hole to matchthe pattern.4. Drill four 3/16in (5mm) holes for the thumb studs.5. Deburr the machined holes, and fix the RayData to the panel usingthe four thumb studs and four thumb screws.Trunnion MountingTo mount the RayData using the optional trunnion mounting kit:1. Attach the trunnion surface mounting bracket (1) to the selectedmounting surface, using the two self-tapping countersunkscrews (2).D3036-1SPEEDRAYDATADEPTHNAVMOBLOCKPOWER4 38172651 Surface mounting bracket 2 Self-tapping countersunk screws 3 Unit bracket 4 RayData5 Rear cover 6 Pan-headed screws 7 Rubber washers 8 Knobs2. Place the unit bracket (3) over the boss of the RayData (4).
