NEC MultiSync SX4000 User Manual

Contents

NEC MultiSync SX4000 User Manual Manual pdf 21 page image

E – 14KeystoneKeystone distortion NormalKeystone is the distortion of a projected image that usually creates awider top than bottom. Aiming a projector upward on a wallrather than straight at a wall creates this distortion. Use the or buttons on the slide bar to correct this keystone (trapezoidal)distortion.NOTE: The keystone feature is not available when the test pattern or the blueback is displayed.NOTE: With the projector aimed directly at the screen the maximum keystoneangle that can be corrected is +/- 7.5 degrees.Setting up for Double or Triple Stacking in LinkModeCAUTION: To prevent the projectors from falling, install them in a place andfasten 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 LinkMode. For double or triple stacking, follow the instructions described below.1) Stacking the Projectors1-1. Place the projectors at the proper height for best screen to projec-tor relationship. Make sure that all projectors have the same displayorientation.2) Hookup2-1. Use the supplied DVI-D cable to connect the RGB DIGITAL outputof the master projector to the RGB DIGITAL input (INPUT9 )of theslave projector (the second and third stack) until all the projectorsare connected.2-2. Next, using a commercially available, bi-directional RS-232C cableconnect the OPTION OUT terminal of the master projector to theOPTION IN terminal of the slave projector(s) until all the projectorsare 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 modeand stack application.Signal Data Preparation3-1. Create data for the master projector and copy data to the slaveprojector.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 eachsignal, then save all adjustments on the master projector. (Ad-justments 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 pro-jector.3-1-5-1. Open the PC Card slot cover to access the PC card slot.Insert a PC card into this slot.NOTE: DO NOT TURN OFF THE POWER while the PC Card Access indicatoris flashing. Doing so will cause damage to the data of the projector system.NOTE: Back up your data if you use the supplied CompactFlash card to copythe data from the master projector to the slave projector. The suppliedCompactFlash card contains data and firmware for factory use.3-1-5-2. Press and hold CANCEL, then press POWER on therear panel of the master projector. The POWER indicator willchange to steady green and the PC Card Access indicatorwill start flashing. After storing data on the PC card, thePOWER indicator will change to orange.3-1-5-3. Remove the PC card from the slot of the master projec-tor.3-1-6. Transfer the data to the other slave projectors using the PCcard 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 backupcopies of them before proceeding.3-1-6-2. Press and hold ENTER, then press MENU on the rearpanel of the slave projector. The POWER indicator will changeto steady green and the PC Card Access indicator will startflashing to indicate that the data is being copied from the PCcard to the slave projector. After copying data to the slaveprojector, the POWER indicator will change to orange.