InFocus IN42+ Maintenance

1 Apply a non-abrasive camera lens cleaner to a soft, dry cloth. Avoid using an excessive amount of cleaner, and don’t apply the cleaner directly to the lens. Abrasive cleaners, solvents or other harsh chemicals might scratch the lens. 2 Lightly wipe the cleaning cloth over the lens in a circular motion. If you don’t intend to use the projector immediately, replace the lens cap. Replacing the clock batteries The projector has a lithium Hitachi Maxell battery (part number CR2032) on the bottom that is used to power the clock used for networking applications. Visit our website for complete details on using the networking functionality. 1 Turn off the projector and unplug the power cable. 2 Wait 45 minutes to allow the projector to cool thoroughly. 3 Turn the projector upside down and use a coin to turn the battery cover to the “Open” position. 4 Remove the battery and dispose of in an environmentally proper man- ner. 5 Install a new battery with the “+” side facing up. 6 Press the battery into place, then replace the battery cover. NOTE: The clock time will need to be reset in the web browser application after replacing the battery. clean the lens with a soft dry cloth and non-abrasive cleaner turn off and unplug the projector wait 45 minutes 12'0 %.15' open battery cover close battery cover install new battery, + side up press battery into position EDX Ref Guide.fm Page 33 Friday, June 30, 2006 10:48 AM

1 Turn off the projector and unplug the power cable. 2 Wait 45 minutes to allow the projector to cool thoroughly. WARNING: To avoid burns, allow the projector to cool for at least 45 minutes before you clean or replace the dust filter. 3 Remove the dust filter cover on the side of the projector by pressing up on the two tabs at the cover’s bottom. 4 Pull the tab on the center of the black dust filter bracket and lift it off. 5 Clean the filter, cover, and vent using a vacuum set on low power. Replace the filter if it is damaged or too dirty to clean. 6 Replace the dust filter and the bracket on the cover, then replace the dust filter cover. 7 Reset the filter hour timer by navigating to the Settings>Service menu and selecting Reset Filter Hours. Using the security lock The projector has a security lock for use with a cable lock system. See the Accessories catalog that came with the projector, or visit our website, for ordering information. Refer to the information that came with the lock for instructions on how to use it. turn off and unplug the projector wait 45 minutes tabs dust filter cover reset filter hours in Service menu security lock EDX Ref Guide.fm Page 36 Friday, June 30, 2006 10:48 AM