BenQ TH685 User Manual - Page 23

Switching input signal, Shutting down the projector, Direct power off

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Switching input signal The projector can be connected to multiple devices at the same time. However, it can only display one full screen at a time. When starting up, the projector automatically searches for the available signals. Source Be sure the Advanced Menu - System Setup : Basic > Auto Source menu is On if you want the projector to automatically search for the signals. To select the source: HDMI 1 HDMI 2 1. Press SOURCE. A source selection bar appears. PC 2. Press / until your desired signal is selected and press OK. Once detected, the selected source information will appear at the corner of the screen for seconds. If there is multiple equipment connected to the projector, repeat steps 1-2 to search for another signal. • The brightness level of the projected image will change accordingly when you switch between different input signals. • For best display picture results, you should select and use an input signal which outputs at the projector's native resolution. Any other resolutions will be scaled by the projector depending upon the "aspect ratio" setting, which may cause some image distortion or loss of picture clarity. See Aspect Ratio on page 36. Shutting down the projector 1. Press on the projector or on the remote control and a confirmation message will appear prompting you. If you don't respond in a few seconds, the message will disappear. 2. Press or a second time. The power indicator flashes orange, the projection lamp shuts down, and the fans will continue to run for approximately 90 seconds to cool down the projector. 3. Once the cooling process finishes, the power indicator becomes a steady orange and fans stop. Disconnect the power cord from the power outlet. • To protect the lamp, the projector will not respond to any commands during the cooling process. • To shorten the cooling time, you can also activate the Quick cooling function. See Quick Cooling on page 38. • Avoid turning on the projector immediately after turning it off as excessive heat may shorten lamp life. • Lamp life results will vary depending on environmental conditions and usage. Direct power off The AC power cord can be pulled out right after the projector is turned off. To protect the lamp, wait about 10 minutes before re-starting the projector. If you attempt to re-start the projector, the fans may run for a few minutes to cool down. In such cases, press or the fans stop and the power indicator turns orange. again to start the projector after Operation 23

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23
Operation
Switching input signal
The projector can be connected to multiple devices at the same time.
However, it can only display one full screen at a time. When starting up,
the projector automatically searches for the available signals.
Be sure the
Advanced Menu - System Setup : Basic
>
Auto Source
menu is
On
if you want the projector to automatically search for the
signals.
To select the source:
1.
Press
SOURCE
. A source selection bar appears.
2.
Press
/
until your desired signal is selected and press
OK
.
Once detected, the selected source information will appear at the corner of the screen for seconds.
If there is multiple equipment connected to the projector, repeat steps 1-2 to search for another
signal.
Shutting down the projector
1.
Press
on the projector or
on the remote control
and a confirmation message will appear prompting you. If
you don't respond in a few seconds, the message will
disappear.
2.
Press
or
a second time. The power indicator
flashes orange, the projection lamp shuts down, and the
fans will continue to run for approximately 90 seconds to
cool down the projector.
3.
Once the cooling process finishes, the power indicator
becomes a steady orange and fans stop. Disconnect the
power cord from the power outlet.
Direct power off
The AC power cord can be pulled out right after the projector is turned off. To protect the lamp, wait
about 10 minutes before re-starting the projector. If you attempt to re-start the projector, the fans may
run for a few minutes to cool down. In such cases, press
or
again to start the projector after
the fans stop and the power indicator turns orange.
• The brightness level of the projected image will change accordingly when you switch between different input
signals.
• For best display picture results, you should select and use an input signal which outputs at the projector’s native
resolution. Any other resolutions will be scaled by the projector depending upon the “aspect ratio” setting,
which may cause some image distortion or loss of picture clarity. See
Aspect Ratio on page 36
.
• To protect the lamp, the projector will not respond to any commands during the cooling process.
• To shorten the cooling time, you can also activate the Quick cooling function. See
Quick Cooling on page 38
.
• Avoid turning on the projector immediately after turning it off as excessive heat may shorten lamp life.
• Lamp life results will vary depending on environmental conditions and usage.
HDMI 1
HDMI 2
PC
Source