Bosch EX49N Installation Instructions Manual page 22

Base
Linear
Adjustment
Loosen the locking knob and bolt in the center of
the base with a crosshead screwdriver, rotate
the PTT and Camera/Lens assembly to the
desired position, and re-tighten the bolt and
locking knob. The Camera Assembly can also
be moved along the linear axis by this method.
The complete directional adjustment must be
done in conjunction with Figure 4-2 on page 15.
FIGURE 4 – 3
Directional Adjustment, Rotation
The LED Array is not shown for clarity reasons.
16
Camera Rotation
PTT Bracket
Locking
Knob