44 Maintenance
English
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
= 1 (hours used in Economic mode) +3/2 (hours used in normal mode)
See "Lamp Settings" on page40 for more information on Economic mode.
The lamp hour in Economic mode is calculated as 2/3 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 "Indicators" on page47.
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 Status
Total (equivalent) lamp hour has reached 2000 hours. Install a new
lamp for optimal performance.
Total (equivalent) lamp hour has reached 2950 hour. A new lamp
should be fitted to avoid the inconvenience when the projector runs out
of lamp time.
Total (equivalent) lamp hour has reached 3000 hours. 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. This is normal lamp behaviour. 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
NOTICE: Order replacement lamp
Lamp > 2000hrs
Projector will stop at 3000hrs
OK
WARNING
NOTICE: Replace lamp soon
Lamp > 2950hrs
Projector will stop at 3000hrs
OK
WARNING
NOTICE: Replace lamp now
Lamp > 3000hrs
Lamp-usage time exceeded
OK
WARNING