BenQ MW721 User Manual page 53

Resetting the lamp timer
13. After the startup logo, open the On-Screen Display (OSD) menu. Go to the
SYSTEM SETUP: Advanced > Lamp Settings menu. Press MODE/ENTER.
The Lamp Settings page appears. Highlight Reset Lamp Timer. A warning
message appears asking if you want to reset the lamp timer. Highlight Reset and
press MODE/ENTER. The lamp time will be reset to "0".
Do not reset if the lamp is not new or replaced as this could cause damage.
Maintenance 53