Drilling out the mounting holes
Before panel mounting the Radio the mounting
holes must be drilled out.
MountingProduct holesDrilling Product holes
Guides for the mounting holes can be found in the corners of the unit, under the front bezel.

Using a drill and a 4 mm (5/32) drill bit, drill out the
4 mounting holes.
Holes should be drilled from the front of the unit, taking care not to damage the unit by applying too much force to the drill.