Texas Instruments 8200IC Projection Television User Manual


 
33
3M™ Digital WallDisplay
©3M 2003. All Rights Reserved.
Maintenance
General Maintenance
For general cleaning of the screen and exterior of the 3M Digital WallDisplay, use a damp cloth or dry clean-
ing cloth such as the 3M High Performance Cleaning Cloth.
Standard dry-erase cleaners may be used on the dry-eraseable screens, such as Sanford
®
Expo
®
Whiteboard
Cleaner. Do not use other spray cleaners or solvents on any part of the 3M Digital WallDisplay.
Lamp Usage
Use and Replacement of Lamp
The 3M Digital WallDisplay lamp has a normal operating time of approximately 1600 hours, called the lamp
life. After the lamp has been operating for 1400 hours or longer, the following messages will appear on the
screen for the first three minutes of operation. When this happens, turn off the 3M Digital WallDisplay and
replace the lamp with a new one. Using an old lamp in the 3M Digital WallDisplay could cause a malfunction.
Onscreen Lamp Messages
PLEASE CHANGE THE LAMP
The lamp has been in use for 1400 hours and needs to be changed. After replacing the lamp, reset the lamp
timer.
THERE ARE (x) HOURS OF LAMP LIFE REMAINING
THE WALLDISPLAY WILL SHUT OFF IN 40 MINUTES
The lamp has been in use for 1500-1579 hours, and the power will turn off after 40 more minutes. After replac-
ing the lamp, reset the lamp timer.
THERE ARE (x) HOURS OF LAMP LIFE REMAINING
THE WALLDISPLAY WILL SHUT OFF IN 5 MINUTES
The lamp has been in use for more than 1580 hours, and the power will automatically turn off after 5 minutes.
After replacing the lamp, reset the lamp timer.
All of these messages will display for no longer than three minutes, but each will display whenever you turn the
lamp on again, until the lamp is replaced.
For lamp-changing instructions, please refer to the next page.