Hiding The Image; Locking Control Keys; Operating In A High Altitude Environment - ViewSonic PJD5153 User Manual

Hiding the image

In order to draw the audience's full attention to the presenter, you can press Blank to hide
the screen image. Press any key on the projector or remote control to restore the image. The
word 'BLANK' appears at the lower right corner of the screen while the image is hidden.
You can set the blank time in the
let the projector return the image automatically after a period of time when there is no action
taken on the blank screen.
Once Blank is pressed, the projector enters Economic mode automatically.
CAUTION
Do not block the projection lens from projecting as this could cause the blocking object to
become heated and deformed or even cause a fire.

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
1. Press (Panel Key Lock), or go to the
Advanced > Panel Key Lock menu
2. Press /
3. A confirmation message is displayed. Select Yes to confirm.
To release panel key lock, press and hold
You can also use the remote control to enter the
Advanced > Panel Key Lock
Keys on the remote control are still functional 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 temperature is between 5°C–25°C.
CAUTION
Do not use the High Altitude Mode if your altitude is between 0 m and 1500 m and temperature
is between 5°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 go to the SYSTEM
SETTING: ADVANCED > High Altitude
Mode menu.
2. Press /
message is displayed.
3. Highlight Yes and press Enter.
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.
SYSTEM SETTING: BASIC > Blank Timer
.
to select On
menu and press
to select On. A confirmation
33
Power.
SYSTEM SETTING: ADVANCED >
for 3 seconds.
SYSTEM SETTING: ADVANCED >
/ to select Off.
We recommend you use the High Altitude
mode by selecting it whenever your
environment is higher than 1500 m.
Do you want to turn High Altitude
Mode ON?
menu to
Notice
Yes No