Benq TH670s User Manual download pdf (Page 42)

Operation

Hiding the image

Press the ECO BLANK button from remote control to

turn off the image for a period of time with up to 70%

lamp power saving. Press any key on the projector or

remote control to restore the image.

The word "Eco Blank" appears at the screen while the

image is hidden. When this function is activated with an

audio input connected,the audio can still be heard.

‘Eco Blank: Save up 70% of your lamp power.

Time to do your part in saving the planet.’

The automatic switch to Eco Blank mode after the

projector is turned on for over three minutes without a display source, eliminating

unnecessary energy waste and prolonging the life of the projector lamp.

Operating in a high altitude environment

We recommend you use the High Altitude Mode when your environment is

between 1500 m –3000 m above sea level, and ambient temperature is between 0°C–

35°C.

Do not use the High Altitude Mode if your altitude is between 0 m and 1500 m

and ambient temperature is between 0°C and 35°C. The projector will be over

cooled, if you turn the mode on under such a condition.

To activate the High Altitude Mode:

1. Open the OSD menu and make sure the Menu Type is Advanced.

2. Go to the System Setup: Advanced > High Altitude Mode and press /

to select On. A confirmation message displays..

3. Select Ye s and press OK

on the projector or remote control.

Operation under "High Altitude Mode" may cause a higher decibel operating noise

level because of increased fan speed necessary to improve overall system cooling and

performance.

If you use this projector under other extreme conditions excluding the above, it may

display auto shut-down symptoms, which is designed to protect your projector from

over-heating. In cases like this, you should switch to High Altitude Mode to solve

these symptoms. However, this is not to state that this projector can operate under

any and all harsh or extreme conditions.

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Benq TH670s User Manual Page 42