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Operation 31
Hiding the image
In order to draw the audience's full attention to the presenter, you can use ECO BLANK
on the projector or remote control to hide the screen image. When this function is
activated with an audio input connected, the audio can still be heard.
You can set the blank time in the
SYSTEM SETUP: Basic > Operation Settings >
Blank Timer
menu to let the projector return the image automatically after a period of
time when there is no action taken on the blank screen. The length of time can be set from
5 to 30 minutes in 5-minute increments.
If the preset time spans are not suitable for your presentation, select Disable.
No matter
Blank Timer is activated or not, you can press most of the keys on the
projector or remote control to restore the picture.
To provide you a quick and friendly way to temporarily
hide the screen image, the projector is equipped with
a sensor to detect any object approaching the
projection lens and enters blank status automatically
in a short time once the object is within 30 degrees
perpendicular to the sensor and 10 cm from the
sensor. Moving the object away from the effective
range will also return the projector to normal
projection status within a few seconds.
Be sure the
SYSTEM SETUP: Basic > Auto Blank menu is On.
The effective range of the sensor may vary according to the material and color of the blocking object.
Locking control keys
With the control keys on the projector locked, you can prevent your projector settings
from being changed accidentally (by children, for example). When the Panel Key Lock is
on, no control keys on the projector will operate except POWER.
1. Go to the SYSTEM SETUP: Basic > Panel Key Lock menu, and select On by
pressing / on the projector or remote control. A confirmation message
appears.
2. Highlight Ye s and press MODE/ENTER to confirm.
To release panel key lock, use the remote control to enter the
SYSTEM SETUP:
Basic > Panel Key Lock menu and press / to select Off.
• Keys on the remote control are still active when panel key lock is enabled.
• If you press POWER to turn off the projector without disabling panel key lock, the projector will
still be in locked status the next time it is turned on.
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:
10cm
15
15