3-126
V
ARI
*L
ITE®
-
VL2B
AND
VL2C
S
POT
L
UMINAIRE
S
ERVICE
M
ANUAL
CONFIDENTIAL
02.9631.0010
15 Jan 98
Step 7.
Verify that luminaire head covers are removed. If not, remove
20, 6-32x5/16"PFB screws that secure head covers to rails and
remove both head covers.
Step 8.
Verify that gobo beam projector bulkhead and color filter
bulkhead are installed in luminaire head.
Step 9.
Connect nine-pin connector end of lamp run cheater cable to
luminaire and then plug other end of cable into AC outlet.
Step 10.
Set up oscilloscope. See Figure 3-46 for location of controls
and indicators for Tektronix oscilloscope models 2205 and
2225. For other model oscilloscope, locations of controls and
indicators are similar to those of these two models. Numbers in
parentheses indicate Figure 3-46 control and indicator
reference numbers.
a. Attach 10X probe to CH1 input (7).
b. Position MODE CH 1 BOTH CH 2 switch (3) to CH 1.
c. Position CH 1 AC GND DC switch (6) to GND.
Tektronix
2205
20MHz OSCILLOSCOPE
Tektronix
2225
50 MHz OSCILLOSCOPE
VERTICAL
HORIZONTAL
TRIGGER
CH1 BOTH CH2
CH1 VOLTS/DIV
AC GND DC
POSITION
VAR
CH1
POWER
POSITION
LEVEL
SEC/DIV
MAG
CAL
1
2
3
4
5
6
7
8
9
10
11
12
13
16
17
18
19
14
SOURCE
VERTICAL
CH1 BOTH CH2
CH1 VOLTS/DIV
AC GND DC
POSITION
CAL
CH1
HORIZONTAL
TRIGGER
POSITION
LEVEL
COARSE
FINE
SOURCE COUPLING
15
HOLDOFF
MAG
CAL
POWER
SEC/DIV
Figure 3-46. Oscilloscope Setup
d. Position CH 1 VOLTS/DIV knob (4) to 5 volts at 10X
PROBE scale.
i.
For model 2205 oscilloscope turn VAR knob (5)
located on CH 1 VOLTS/DIV knob to fully clockwise
position.
ii. For model 2225 oscilloscope turn CAL knob (15)
located on CH 1 VOLTS/DIV knob to fully clockwise
position.
e. Position SEC/DIV knob (10) to 5 ms. Turn CAL knob (11)
located on SEC/DIV knob to fully clockwise position.
f.
Position MAG switch (9) to X1.
g. Turn LEVEL knob (12) to fully counterclockwise position.