Introduction
1
BenQ PB8220/ PB8120 User’s Guide
INTRODUCTION
Caution
TO PREVENT SHOCK, DO NOT OPEN THE CABINET. NO USER –SER-
VICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE
PERSONNEL. PLEASE READ THIS USER’S GUIDE BEFORE YOU OPER-
ATE YOUR PROJECTOR. SAVE THIS USER’S GUIDE FOR FUTURE REF-
ERENCE .
Safety Instructions
1. Read this user’s guide before you operate your projector and save it for future
reference.
2. The lamp becomes extremely hot during operation. Allow the projector to cool
for approximately 45 minutes prior to removing the lamp assembly for
replacement. Do not operate lamps beyond the rated lamp life. Excessive
operation of lamps beyond the rated life could cause them to explode on rare
occasions.
3. Never replace the lamp assembly or any electronic components unless the
projector is unplugged.
4. To reduce the risk of electric shock, do not disassemble this appliance. Take it to a
qualified technician when service or repair is required. Incorrect reassembly can
cause electric shock when the appliance is subsequently used.
5. Do not place this product on an unstable cart, stand, or table. The product may
fall, sustaining serious damage.
6. This product is capable of displaying inverted images for ceiling mount installation.
Please use suitable equipment for mounting the unit and ensure it is securely
installed.
Caution
• Always open the lens shutter or remove the lens cap when the projector
lamp is on.
• Do not look straight at the projector lens during operation. The intense
light beam may damage your eyes.
• In some countries, the line voltage is NOT stable. This projector is
designed to operate safely within a bandwidth of 110 to 230 volts, but
could fail if power cuts or surges of more than10 volts occur. In these
high-risk areas, it is recommended that a power stabilizer unit be used in
conjuction with this projector.