Da-Lite MULTI-MASK IMAGER 지침서 - 페이지 6
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Da-Lite MULTI-MASK IMAGER에 대해서도 마찬가지입니다: 지침서 (12 페이지)
페이지 인쇄Adjusting The Mask Extension (Continued)
Modifying the Extension of the Mask
You can increase the extension of a mask up to 3" past the factory preset stop, or you can decrease the extension by approximately
4-6" from the factory preset stop. Do not attempt to modify a mask extension beyond these recommended amounts.
The limit switches are accessed through openings located on the
left side of the frame as shown in Figure 8.
1
2
3
4
5
6
Horizontal mask units have limit switches at the top and bottom
of the screens, a set for each roller tube.
Screen Care And Cleaning
With reasonable care, you expect many years of trouble-free use of your Da-Lite projection screen.
We encourage you to keep your screen clean. Avoid getting any foreign material on the screen. It may not be possible to remove
scratches, paint, ink, etc.
General Maintenance
The screen surface on your Multi-Mask Imager is delicate.
Special attention to these instructions should be followed
when cleaning.
•
A draftsman-style brush may be used to lightly whisk
away any loose dirt or dust particles. (This type of brush
is usually available at office supply stores.)
•
For tougher spots, use a mild solution detergent, water
and a soft cloth. Rub lightly. Blot with a damp sponge to
absorb excess water.
Do not use any other cleaning materials on the screen.
6
Horizontal Mask
Vertical Mask
Screen
Horizontal Mask
Figure 8
WARNING! The up limit switch(es) retract the batten further
into the unit. Adjusting it is not advised. Refer to 1, 3 or 5
as appropriated in Figure 8.
To Increase a Mask's Fully Extended (Mask Down)
Stop Position:
1. Lower the mask to its current stop position.
2. Locate the down limit switch(es) located on the left side of
the frame. Refer to 2, 4 or 6 as appropriate in Figure 8. Use an
Allen wrench to turn the switch in a counterclockwise
direction. If the power is on, the mask will drop incrementally
as the switch is turned. NOTE: One complete turn of the
switch will make approximately a 1/2" change in the mask's
stop position.
To Decrease the Screen Extension:
1. Lower the mask until it is extended about halfway down.
2. Locate the down limit switch(es) located on the left side of
the frame. Refer to 2, 4 or 6 as appropriate in Figure 8. Use
an Allen wrench to turn the switch in a clockwise direction.
NOTE: One complete turn of the switch will make
approximately a 1/2" change in the mask's stop position.
3. Activate the mask in the down direction until it reaches
the newly reduced stop position. Repeat this procedure
until the desired stop position is reached.
Once you have made the adjustment, whenever you lower
the mask, it will automatically stop at the new position.
Replacement Parts and Service
No user-serviceable parts are contained within the unit.
Contact your dealer or the factory if you require part
replacement or service.