Casio XJ-S43W - Manual (Page 41)

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To reset the lamp time after exceeding the lamp life
If you use the existing lamp until its life is exceeded, you will not be able to turn on the
projector even after you replace the lamp with a new one. Perform the following procedure
to initialize the lamp time in this case, which will make it possible to turn on the projector.
1 Use the bundled AC power cord to plug the projector into a power outlet.
z Connecting to a power outlet causes the POWER/STANDBY and LAMP indicators on the
top of the projector to light red, which indicates that the lamp has exceeded its service
life.
2 While holding down the projector’s [ ] key, hold down the [AUTO] key for about
five seconds.
z This will reset the lamp time, cause the POWER/STANDBY indicator to change from red
to amber, and also cause the LAMP indicator to go out.
3 Press the [P] (power) key to ensure that the projector turns on normally.