Vari Lite VL3015, Service Manual

Page: 41 / 210

M
AINTENANCE
P
ROCEDURES
: A
LIGN
L
AMP
0 2 . 9 6 7 9 . 0 0 1 0 0 23
2
Align Lamp
The design of the VL3015 & VL3515 Spot Luminaire optical system allows for a flat or peaked field.
A flat field is one where there is no detectable hot spot and a peaked field is one where the intensity of
the beam is greater at the center of the beam than at the perimeter.
After a new lamp or an alternative reflector (refer “Reflector Change” on page 24 ) is installed, it will
be necessary to align the lamp to optimize the beam. Knobs located at the luminaire’s backcap will
allow adjustment.
WARNING: Backcap and adjustment knobs will be HOT during lamp operation. Wear gloves to
prevent burns.
To align lamp:
Step 1. Power-up luminaire.
Step 2. At Menu Display, select
Lamp
from
Test
menu (refer to the luminaire menu system in the
user’s manual). If using console, set intensity to 100%, open beam size iris and focus for
hard edge.
Step 3. Position beam on a white wall at a distance of 10 to 20 feet.
Step 4. At backcap, using X, Y and Z adjustment knobs, adjust beam as required.
Figure 2-2: Aligning Lamp - Lamp Alignment Knobs
CAUTION:
RISK OF EXPOSURE TO EXCESSIVE ULTRAVIOLET RADIATION. DO NOT OPERATE
WITHOUT COMPLETE LAMP ENCLOSURE IN PLACE OR WHEN LENS IS DAMAGED.
ATTENTION:
RISQUE D'INCENDIE. UTILISER UNIQUEMENT UNE LAMPA HALOGENE EN METAL DE
TYPE H, 1500 WATT, 100V ET UN SUPPORT SFc10-4.
CAUTION:
RISK OF FIRE. USE ONLY 1500 WATT, H TYPE 100V METAL HALIDE LAMP,
SFc10-4 BASE.
DISCONNECT FIXTURE
BEFORE RELAMPING
CAUTION: HOT LAMP
DO NOT
OPEN FOR 5 MINUTES
AFTER SWITCHING OFF.
X
Y
Z
Backcap