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Screen Adjustment

Motor Limit Adjustments

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:

Remove the two screws holding the junction box cover. Located

on the left end of the case (see Figure 1).

2. Unplug the 6P6C wire that is plugged into the secondary splitter

"QEYE" port (see wiring diagram).

3. Unplug the 6P4C wire from the Operating Keypad at the wall.

Plug the 6P4C wire into the Limit Setting Switch. The LED on the

back of the Limit Setting Switch will blink green twice.

4. If adjusting the screen limit, the 6P4C cable will need to be

plugged into the "QEYE" port of the primary splitter. If adjusting

the mask limit it will need to be plugged into a "QEYE" port on the

secondary splitter.

5. Press and hold both the Up and Down Limit Switch on the back

of the Limit Setting Switch until the LED blinks red twice.

6. To adjust the down limit, press and hold the Down tactile button

until the LED on the back of the Limit Setting Switch turns solid

red. This will put the motor in limit set mode. Turn the switch over

and use the Down button on front of switch. Press and hold until

the desired travel position is reached. If you travel too far down,

press the UP button to move the screen upward. If you press and

let go of either the UP or DOWN button, the motor will do a small

jog in that direction for finer adjustment of the screen. Once the

desired position is reached, turn the switch over and press and

hold the DOWN tactile button until the LED on the back of the

switch blinks red twice. The down limit is now set.

To adjust the up limit, press and hold the UP tactile button until

the LED on the back of the Limit Setting Switch turns solid green.

This will put the motor in limit set mode. Turn the switch over and

use the UP button on front of switch. Press and hold until the

desired travel position is reached. If you travel too far up, press

Intermediate Positions.

The motors on the Horizon Electrol® have been preset to three or four different screen formats based on your screen size. See the

Screen Operation section for the standard screen formats. It is possible to adjust these format for your particular needs. The following

instructions will walk you through this process.

(See Motor Limit Adjustments to adjust the stop positions for all the way up or all the way down positions)

Press the screen down button on the wall keypad or remote.

When the screen reached the desired position, press the stop

button. If you go past the desired position, press the stop button

and then press the up arrow to return the screen to a position

above the new stop point and try again until the screen stops at

the new position.

2. Press the mask down button on the wall keypad or remote.

When the mask reached the desired level, press the stop button.

If you go pas the desired position, press the stop button and

Front of

Wall Switch

the DOWN button to move the screen downward. If you press

and let go of either the UP or DOWN button, the motor will do a

small jog in that direction for finer adjustment of the screen.

Once the desired position is reached, turn the switch over and

press and hold the UP tactile button until the LED on the back of

the switch blinks green twice. The down limit is now set.

8. To test limit switch settings, press and release the UP or DOWN

button on the Limit Setting Switch to operate the screen.

9. Press and hold both the UP and DOWN tactile buttons on the

back of the Limit Setting Switch until the LED blinks red twice.

10. Unplug the 6P4C cable from the limit switch and plug it back into

the Operating Keypad.

11. Plug the 6P6C connector back into the "QEYE" port of the

secondary splitter and replace the splitter junction box cover.

then press the up arrow to return the mask to a position above

the new stop point and try again until the mask stops at the new

position.

3. Press and hold either the 1, 2, 3 or 4 button until the LED stop

blinking. The new stop position is now recorded for the selected

button. Repeat this process for any other changes to the

remaining three positions.

LED

Up Limit

Tactile

Button

Down Limit

Tactile

Button

Back of

Wall Switch