BenQ PB8253 - XGA DLP Projector Manuel d'utilisateur télécharger pdf (Page 52)

Maintenance52

7. Re-install the lamp cover and tighten the

screws.

8. Make connection to a signal source to be

displayed. Start up the projector. (See page

"Connection" on page 22 and "Start up" on

page 30 for turning the power on.)

• Do not turn the power on with the lamp cover

removed. Whenever the lamp is replaced,

reset the total lamp operation timer.

• Do not reset if the lamp is not replaced as this

could cause damage.

9. Reset the lamp counter

i. Press and hold Exit on the

projector for 3 seconds to display

the total used lamp time.

ii. Press Menu on the projector or

MENU on the remote control to

access the lamp hour timer. An

adjustment message will display.

iii. Press Left/ Right on the

projector or remote control to

reset lamp hours and press Exit to leave.

Temperature information

When the Temperature warning light is on, it is warning you of the following possible

problems.

1. The internal temperature is too high.

2. Dust filters are clogged.

3. The fans are not working.

Turn the projector off, check that the dust filters are clean. If the problem persists, contact

qualified service personnel for further help.

For more information, refer to "Indicators" on page 53

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BenQ PB8253 - XGA DLP Projector Manuel d'utilisateur Page 52