Da-Lite ADVANTAGE ELECTROL Книга инструкций - Страница 5
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Screen Adjustment
Surface travel is stopped automatically in the fully opened and closed positions by limit switches that are properly adjusted at Da-Lite.
Should it be necessary to adjust for more or less drop of picture, proceed in the following manner:
NOTE: Use a screw driver or 5/32" Allen wrench to make adjustments.
More Screen Drop
1.
Place operating switch in "down" position.
2.
When the screen stops, turn the white "down" limit knob
(Figure 4) one-quarter turn counterclockwise. Test by raising
picture surface approximately two feet, then lower again.
Repeat until desired picture surface position is attained.
CAUTION: Do not adjust for more drop than what was
ordered. At least 1-1/2 wraps of fabric must remain on the
roller. This screen comes standard with 12" black at the top.
Less Screen Drop
1.
Raise picture surface approximately two feet above
desired level.
2.
Place operating switch in "off" position.
3.
Turn the white "down" limit switch (Figure 4) one-quarter turn
clockwise. Test by raising picture surface approximately two
feet, then lower again. Repeat until desired picture surface
position is attained.
Caution: Adjusting the down limit switch for less drop by
more than 6" can cause the screen surface to lose proper
tensioning.
LVC Control Box
Screen Motor
Screen Motor
Limit Switches
Figure 4
5