Radio Shack CID-2904 - Manual (Page 18)

18 Preparation
2. Select a location near the phone line
jack(s) and mark mounting screw
locations 5
1 / 8 inches (130 mm) apart
on the wall.
3. Drill two 1 / 8 -inch (3.5 mm) holes in the
wall at the marked locations.
4. Thread a screw into each hole until
the head extends 1 /
8
inch (3.5 mm)
from the wall.
5. Align the two screws with the key-
holes on the bottom of the CID. Slide
the CID down onto the screws to
secure it.