Da-Lite Multi vision imager, Instruction Book

Page: 7 / 12

7
Screen Adjustment For 120V Screens
Screen Adjustment For 220V/240V Screens
1. Locate the wall switch and remove the cover plate from
the 3-button wall switch and remove the switch from the
junction box.
2. Locate the two tactile buttons on the back of the switch.
They are square silver with black round buttons. See
Figure 8 (VPI) or Figure 10 (LVC) for diagram.
3. To adjust the down limit switch, press and hold the down
tactile button until the LED on back of switch turns solid red.
This will put the motor in limit set mode. Turn the wall switch
over and use the down button on front of switch. Press and
hold until the desired travel position is reached. If you travel
to far down you can press the up to move the screen upward.
If you press and let go of either up or down button the motor
will do a small jog in that direction for finer adjustment of
screen. Once desired position is reached turn switch over
press and hold down tactile button until the LED on back of
switch blinks red twice. The down limit is now set.
4. To adjust the up limit switch, press and hold the up tactile
button until the LED on back of switch turns solid green. This
will put the motor in limit set mode. Turn the wall switch over
and use the up button on front of switch. Press and hold until
the desired travel position is reached. If you travel to far up
you can press the down to move the screen downward.
If you press and let go of either up or down button the motor
will do a small jog in that direction for finer adjustment of
screen. Once desired position is reached turn switch over
press and hold up tactile button until the LED on back of
switch blinks green twice. The up limit is now set.
5. To test limit switch setting, press and release the up or down
button on the wall switch to operate the screen.
6. Replace switch and cover plate on the wall.
NOTE: If the screen is in limit set mode and no buttons are
pushed for 20 seconds, the LED on the back of the wall
switch will turn off, the motor will return to run mode and no
changes will be saved. If this occurs, return to step 3 for down
limit adjustment or step 4 for up limit adjustment.
IMPORTANT NOTE: The wall switch is REQUIRED to make
any limit switch adjustments, EVEN if a third party control
system is used. Therefore, it is advised to wire the switch or
provide a 3-conductor connection that is accessible.
1. Remove the cover plate from the 3-button wall switch and
remove the switch from the junction box.
2. Locate small 3-position switch on back of wall switch.
(See Figure 6)
3. To adjust the down limit switch, slide the 3-position switch to
the down position. Press and hold the down button to run
the screen down to the desired stop position. Release the
button to stop the screen. DO NOT PUSH THE STOP BUTTON.
4. When the screen is in the desired down position, slide the
3-position switch to the off (center) position. The down limit
switch is now set.
5. To adjust the up limit switch, slide the 3-position switch to the
up position. Press and hold the up button to run the screen
up to the desired stop position. Release the button to stop
the screen. DO NOT PUSH THE STOP BUTTON.
6. When the screen is in the desired up position, slide the
3-position switch to the off (center) position. The up limit
switch is now set.
7. To test limit switch setting, make sure the 3-position switch is
in the off (center) position. Press and release the up or down
button on the wall switch to operate the screen.
8. Replace switch and cover plate on the wall.
NOTE: If stop button is pressed, the wall switch will reverse
direction. To correct this, press the stop button again. This will
reset the switch. You will have to re-set both the up and the
down settings.
IMPORTANT NOTE: The wall switch is REQUIRED to make any
limit switch adjustments, EVEN if a third party control system is
used. Therefore, it is advised to wire the switch or provide a
4-conductor connection that is accessible.