NEC GT1150 Setting up for Double Stacking in Link Mode, Stacking the Projectors, Hookup

Setting up for Double Stacking in Link Mode

Master projector

Foot

Depression for foot

Slave projector

NOTE: Up to two units can be gravity stacked without external support. In some cases, however, two images will not align on the screen correctly. This will become more apparent when displaying small text and detailed graphics.

CAUTION: To prevent the projectors from falling, install them in a place and fasten them in a way with sufficient strength to support the two projectors.

NOTE: SW 1 Level and SW 2 Level of Switcher Control are not available on Link Mode.

For double stacking, follow the instructions described below.

1) Stacking the Projectors

1-1. Place the projectors at the proper height for best screen to projec- tor relationship. Make sure that all projectors have the same display orientation.

2) Hookup

2-1. Use the supplied RGB signal cable to connect the RGB output of the master projector to the RGB input of the slave projector until all the projectors are connected.

2-2. Next, using a commercially available, bi-directional RS-232C cable connect the PC CONTROL OUT terminal of the master projector to the PC CONTROL IN terminal of the slave projector until all the projectors are connected.

2-3. Turn all the projectors on and roughly make some optical adjust- ments to each projector.

3)Adjusting and registering signals to be projected in Link mode and stack application.

Signal Data Preparation

3-1. Create data for the master projector and copy data to the slave projector.

3-1-1. Choose one projector as the master. 3-1-2. Turn the master projector on.

3-1-3. Display all desired input signals, make adjustment to each signal, then save all adjustments on the master projector. (Adjustments will be saved automatically.)

3-1-4. Turn the master projector off (standby mode).

3-1-5. Store all the adjustments on a PC card from the master projector.

3-1-5-1. Open the PC Card slot cover to access the PC card slot. Insert a PC card into this slot.

3-1-5-2. Press and hold CANCEL, then press POWER on the top panel of the master projector. The POWER indicator will change to steady green and the PC Card Access indicator will start flashing. After stor- ing data on the PC card, the POWER indicator will change to orange.

3-1-5-3. Remove the PC card from the slot of the master projector.

3-1-6. Transfer the data to the other slave projectors using the PC card so that all the projectors have the same data in memory.

3-1-6-1. Insert the PC card into the slot of a slave projector.

NOTE: Since data in the slave projectors will be lost at this time, make backup copies of them before proceeding.

3-1-6-2. Press and hold ENTER, then press MENU on the top panel of the slave projector. The POWER indicator will change to steady green and the PC Card Access indicator will start flashing to indicate that the data is being copied from the PC card to the slave projector. After copying data to the slave projector, the POWER indicator will change to orange.

3-1-6-3. Remove the PC card from the slave projector.

NOTE: If you select the RGB1 input on the master projector, you must select the same input on the slave projector and the RGB2 on the master projector and the slave projector.

NOTE: After adjusting and registering signals as mentioned above, you must change the input to RGB on the Entry Edit Command window for Link Mode. See "Entry List Edit" on page E-40 for changing to RGB source.

3-1-6-4. Display the desired source.

4) Display the internal crosshatch test pattern.

NOTE: Use a different single color for each projector. Example:

Turn on Green of one projector (master), then Red of the other (slave).

5)Adjusting the lens shift, zoom and focus to clearly display all projected patterns.

5-1. Adjust the Lens Shift using the LENS SHIFT button on the projec- tor cabinet.You can also adjust the Lens Shift by pressing and hold- ing CTL and pressing the POSITION button on the remote control. For Lens Shift Adjustable Range, see page E-13.

5-2. Zoom the lens in and out by using the ZOOM button on the projec- tor cabinet or the remote control.

5-3. Adjust the lens focus by using the FOCUS button on the projector cabinet or the remote control.

NOTE: If the physical (vertical) alignment of the projector is not correct, adjust the height of the feet. If there is any keystone distortion, use Keystone adjust- ment to correct and save the settings on each projector. See page E-22 and E- 42 for Keystone correction.

This completes set-up and adjustments. An image is projected from the master projector. See page E-49 for Link mode.

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