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10 sec. timeout timeout 2-18 DVS 406 • Installation and Operation IR 901 Infrared Remote Control The optional IR 901, shown at right, replicates all of the front panel controls except the Menu and Next buttons. Unless front panel lock mode is enabled, adjustments can be made from the IR 901, but you must use the DVS 406’s front panel or the Windows-based control program (via an RS-232 device) to configure and program the scaler. See chapter three, “Serial Communication”, for details. The topmost part of the IR 901 features three Aspect Ratio Preset buttons, a Freeze button, the six input selection buttons, and the Take button. The middle portion of the IR 901 features the size and centering buttons. The bottom part contains the adjustment controls for color, tint, brightness, contrast, detail, and sharpness adjustments. The adjustment functions will be disabled if the front panel lock mode is on. Selecting an input To use the IR 901 to select an input, press the input number. When selecting a subsequent input, select the input, then press the Take key. For example, if input 1 is currently selected, but input 2 is desired, press the input 2 button, then press Take. The DVS 406 will switch to input 2. Freezing an input To freeze the input being displayed, press the Freeze On/Off key. To unfreeze the input, press the Freeze key again. Selecting a preset Any saved memory presets for an input (up to three) may be recalled by pressing one of the three Aspect Ratio Preset buttons. Sizing and centering information are saved with the presets. See “Memory Presets” previously mentioned in this chapter. DVS 406 • Installation and Operation 2-19 Installation and Operation, cont’d Troubleshooting This section gives recommendations on what to do if you have problems operating the DVS 406, and it provides examples and descriptions for some image problems you might encounter. The following are some tips to help you in troubleshooting. 1. Some symptoms may resemble others, so you may want to look through all of the examples before attempting to solve the problem. 2. Be prepared to backtrack in case the action taken doesn’t solve the problem. 3. It may help to keep notes and sketches in case the troubleshooting process gets lengthy. This will also give you something to discuss if you call for technical support. 4. Try simplifying the system by eliminating components that may have introduced the problem or made it more complicated. 5. For sync-related problems: Portable digital projectors are designed to operate close to the video source. Sync problems may result from using long cables or from improper termination. A sync adapter, such as Extron’s ASTA (active sync termination adapter), may help solve these problems. 6. For LCD and DLP projectors and plasma displays: In addition to the sync- related information...

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