3.
Identify the lampholder “
D
“.
4.
Insert the lamp “
E
” in the lampholder. The lamp used is manufactured
from quartz glass and should be handled with care; always adhere to
the instructions supplied in the lamp’s packaging. Never touch the
glass directly, use the tissue provided in the lamp’s packaging.
The GY 9,5 lampbase is asymmetrical in construction. DO NOT USE
UNDUE FORCE. In case of difficulty, re-read the instructions and repeat
the procedure.
5.
Replace the lampholder assembly in its original position and refasten the two screws “
C
” which were previously removed.
9.2. Aligning the lamp in the optical path
Aligning the lamp in the optical system is achieved via the 3 adjusters at the rear of the projector. This procedure should be undertaken
to maximise output, 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 by the 3 adjusters
A
,
B
and
C
located on the lampholder assembly. The lamp should be on, black-out and dimmer
fully open, and no colours selected. The procedure should be undertaken on one lamp at a time to avoid interference amongst them.
A beam from a lamp which is not aligned will result in a noticeable hotspot, the result of the position of the lamp with respect to the
reflector. Using the 3 adjusters in unison, you will need to bring the hot-spot to the centre of the beam and then flatten the beam to
maximum uniformity.
The three adjusters move the lamp horizontally, vertically and axially within respect to the reflector.
B
A
C
ATTENTION!!
Each time you change the lamp, we recommend the following be carried out:
• realign the lamp in the optical path to flatten the beam to maximum uniformity and to avoid overheating dichroics .
• reset the lamp life counter (as described in section 12.5. Resetting the counter).
E
D
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