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Lamp information
Calculation of lamp hour
When the projector is in operation, the duration (in hours) of lamp usage is automatically
calculated by the built-in timer. The method of calculating the equivalent lamp hour is as
follows:
Total (equivalent) lamp hour = 3/4 (hours used in Economic mode) + 1 (hours used in
See
"Economic Mode (off)" on page 38
The lamp hour in Economic mode is calculated as 3/4 of that in normal mode. That is, using
the projector in Economic mode helps to extend the lamp hour by 1/3.
Warning message
When the Lamp indicator lights up red or a message appears suggesting it is time to replace
the lamp, please install a new lamp or consult your dealer. An old lamp may cause a
malfunction in the projector and in some instances the lamp may explode.
For more detailed information on projector warnings, please refer to
47.
The Lamp indicator light and Temperature warning light will light up if the lamp becomes too
hot. Turn the power off and let the projector cool for 45 minutes. If the Lamp or Temp indicator
still lights up after turning the power back on, please contact your dealer.
The following Lamp warning displays will remind you to change the lamp.
Message
normal mode)
for more information on Economic mode.
Status
The lamp has been in operation for 2800 hours.
Install a new lamp for optimal performance. If the
projector is normally run with "Economic Mode"
selected (See
"Economic Mode (off)" on page
you may continue to operate the projector until the
2950 hour lamp warning appears.
The lamp has been in operation for 2950 hours. A
new lamp should be fitted to avoid the
inconvenience of shutdown when the projector runs
out of lamp time.
The lamp has been in operation for over 3000 hours.
This message will flash in the center of the screen for
about 30 seconds together with the Lamp indicator
lighting up red for 40 seconds.
It is strongly recommended that you replace the
lamp at this age. The lamp is a consumable item.
With the usage time increase, the lamp brightness
diminished gradually. You can replace the lamp
whenever you notice that the brightness level has
significantly diminished. If the lamp is not replaced
beforehand, it must be replaced after 3000 hours
usage.
"Indicators" on page
38),
Maintenance
43
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