Martin Professional MAC 250 Entour, User Manual

Page: 23 / 56

Optical configuration 23
3. Turn the color wheel to access the desired color filter. Qress the
filter forwards slightly to release it and then grasp it by the
edges and remove.
4. To insert a filter, slide it under the retention spring until it snaps
into place.
5. Replace the top cover before applying power.
Prism
The standard 3Kfacet prism can be replaced with optional fiveK and
nineKfacet prisms. See i!ccessoriesk on page 49 for part numbers. See:
D Replacing the prism in a =!C 250 4ntour below, or
D iReplacing the prism in a =!C 250 Aryptonk on page 25.
R E P L A C I N G T H E P R I S M I N A M A C 2 5 0 E N T O U R
Danger! Intense heat. Avoid contact by persons and materials. The exterior of the fixture can get
very hot - up to 120C C (24GC F). Disconnect the fixture from AC power and allow it to cool
for at least 45 minutes before handling.
Do not removing covers while the fixture is powered on as this exposes dangerous live
electrical circuits, hot surfaces, and a lamp under high pressure.
1. Disconnect the fixture from !C power and allow it to cool.
2. Remove the top cover. The top and bottom cover loo7 the same, but the top cover is found by chec7ing
if the text on the bac7 of the head is oriented correctly (top) or not (bottom).Remove the top cover of the
fixture head using a flathead screwdriver to loosen the four YuarterKturn screws. The top and bottom
cover loo7 the same, but the top cover is found by chec7ing if the text on the bac7 of the head is oriented
correctly (top) or not (bottom) as illustrated here.
A
B
Figure 4: Filter
Minimum
dist
ance
to
flamm
Minimum
dist
ance
to
flamm
Minimum
dist
ance
to
illumina
Maximum
ambient
te
Exterior
surface
to