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Important Safety Instructions
1
BenQ PB2220/ PB2120 User’s Guide
IMPORTANT SAFETY INSTRUCTIONS
CAUTION
• To prevent shock, do not open
the cabinet. No user-serviceable
parts inside.
• Please read this user’s guide
before you operate your
projector. Save this user’s guide
for future reference.
• Do not look straight at the
projector lens during
operation. The intense light beam
may damage your eyes.
• Refer servicing to qualified
service personnel.
• Always open the lens shutter
or remove the lens cap when
the projector lamp is on.
• In some countries, the line voltage
is NOT stable. This projector is
designed to operate safely within a
bandwidth of 110 to 240 volts, but
could fail if power cuts or surges of
±10 volts occur. In these high-
risk areas, it is recommended
to install a power stabilizer
unit.