![background image](http://html.mh-extra.com/html/benq/th670/th670_user-manual_2735011066.webp)
Maintenance
66
11. Restart the projector.
Do not turn the power on with the lamp cover removed.
Resetting the lamp timer
12. After the startup logo, open the On-
Screen Display (OSD) menu. Go to the
Advanced menu
>
System Setup:
Advanced
>
Lamp Settings
>
Reset
Lamp Timer
menu and press
OK
on
the projector or remote control. A
warning message displays asking if you want to reset the lamp timer. Select
Reset
and press
OK
on the projector or remote control. The lamp time will be
reset to '0'.
Do not reset if the lamp is not new or replaced as this could cause damage.
7.
Tighten the screws that secure the
lamp.
• Loose screw may cause a bad
connection, which could result in
malfunction.
• Do not over tighten the screws.
8.
Ensure the handle is fully laid flat and
locked in place.
9.
Replace the lamp cover by sliding it
into place.
10. Tighten the screw that secures the
lamp cover.
• Loose screw may cause a bad
connection, which could result in
malfunction.
• Do not over tighten the screw.
(a)
(b)