Panasonic PT-VX505NU, Service Manual

Page: 13 / 133

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Maintenance
The LAMP indicator will light yellow when the total lamp used time (Corresponding value) reaches 2,500 hours. This
is to indicate that lamp replacement is required. The total lamp used time is calculated by using the below expres-
sion.
Total lamp used time (Corresponding value) =
T
normal +
T
eco x 0.625
T
normal : used time in the normal mode
T
eco : used time in the eco mode
You can check the lamp used time following to the below procedure.
1
Press and hold the button on the projector or the remote control for more than 20 seconds.
2
The projector used time and lamp used time will be displayed on the screen briefly as follows.
If the non-standard lamp is used, the warning and confirmation messages will appear on the screen every startup.
Some of the functions are limited when the non-standard lamp is used in spite of the warning.
Since the lamp is not standard,
projector failed to read lamp data.
Continue to use this lamp?
Yes
No
Warning message on the non-standard lamp used
How to check lamp runtime
Counter
Projector 650H
Lamp
Normal 250H
Eco 400H
Corresponding value 500H
Total lamp used time
Projector used time
Cumulative
lamp operating
time in each
mode.