13. Aligning the lamp in
Aligning the lamp in the optical system is achieved via the 2 adjusters at the rear
the optical system
of the projector.
This procedure should be undertaken to properly align the lamp in the optical
system and to avoid the possible overheating of the internal components due to the
incorrect focusing of the beam onto components not intended to be exposed to this.
alignment procedure
Alignment is effected via the two adjusters
A
and
B
operating in conjunction with
each other. The lamp should be on, black-out and dimmer fully open, and no colour
filters inserted
If the lamp is not correctly aligned, a hot-spot will be noticeable. This is a function
of the lamp’s positioning and the adjusters should be used to create a flat beam.
vertical adjustment
Adjuster (
A
) acts on a lever and spring assembly to position the lamp via a vertical
movement within the reflector; rotate it until correct positioning is achieved.
horizontal adjustment
Adjuster (
B
) acts on a lever and spring assembly to position the lamp via a horizon-
tal movement within the reflector; rotate it until correct positioning is achieved.
14. Automatic
An encoder system based on 4 position indicators allows the
ProSpot
repositioning feature
to return to its correct position if it is accidentally moved during operation.
This is particularly useful if the projector is to be mounted on the floor in a position
where the performer or artist may accidentally bump the unit.
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