Using The Cec Function - ViewSonic PJD7820HD User Manual

To activate the High Altitude Mode:
1. Press MENU/EXIT on the projector or Menu on
the remote control and then press
SYSTEM SETTING: ADVANCED menu is
highlighted.
2. Press to highlight High Altitude Mode and
press /
message is displayed.
3. Highlight Yes and press MODE/ENTER on the projector or Enter on the 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.

Using the CEC function

This projector supports CEC (Consumer Electronics Control) function for synchronized
power on/off operation via HDMI connection. That is, if a device that also supports CEC
function is connected to the HDMI input of the projector, when the projector's power is
turned off, the power of the connected device will also be turned off automatically. When
the power of the connected device is turned on, the projector's power will be turned on
automatically.
To turn on the CEC function:
1. Press MENU/EXIT on the projector or Menu on the remote control to open the On-
Screen Display (OSD) menu.
2. Go to the SYSTEM SETTING: BASIC > CEC menu.
3. Press /
• In order for the CEC function to work properly, make sure that the device is correctly
connected to the HDMI input of the projector via a HDMI cable, and its CEC function is
turned on.
• Depending on the connected device, the CEC function may not work.
to select On. A confirmation
to select On.
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We recommend you use the High Altitude
mode by selecting it whenever your
/ until the
environment is higher than 1500 m.
Notice
Do you want to turn High Altitude
Mode ON?
Yes No