Shutting Down The Projector - BenQ CH100 User Manual

7. The projector starts to search for available input signals automatically. The current
input signal being scanned displays on the screen. If the projector does not detect a
valid signal, the No Signal message appears. You may press
desired input signal.
If the frequency/resolution of the input signal exceeds the projector's operating range, you will
see the message "Out of Range" displayed on a blank screen. Please change to an input signal
which is compatible with the projector's resolution or set the input signal to a lower setting. See
"Timing chart" on page 67

Shutting down the projector

1. Press
2. Press
cool the lamp. The projector doesn't respond to any commands during the cooling
process.
3. When the cooling process ends, a Power Off Ring Tone will be heard, and the
POWER indicator turns into solid orange.
To turn off the ring tone, see
If the projector will not be used for an extended period, unplug the power cord from
the power outlet.
Avoid turning on the projector immediately after turning it off as excessive heat may shorten
lamp life. The actual lamp life may vary due to different environmental conditions and usage.
28 Operation
for details.
. The projector displays a shutdown confirmation message.
a second time. The POWER indicator flashes in orange and the fans run to
"Power On/Off Ring Tone" on page 51
to select your
for details.