ViewSonic NMP012 NMP012 User Guide English - Page 23

HDMI Connection, 9.3 CEC, 9.4 RS-232

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3.9.1 HDMI Connection User can select either HDMI or Analog as audio output. By default, it uses HDMI. To use analog audio output, connect a 3.5 mm mini-jack audio cable to the AV interface of the device. 1. Select the device from the Walls and Devices pane. 2. Click the Display tab. 3. Check for HDMI Connected. If it shows No, it might be due to one of the following: • Display is off • HDMI cable is not connected • Video adapter is used 3.9.2 EDID (Extended Display Identification Data) EDID is a data structure provided by a digital display to describe its capabilities to a video source. The video output resolution and refresh rate can be changed by: 1. Select the device from the Walls and Devices pane. 2. Click the Display tab. 3. Click the Resolution drop down list. It lists all settings available on the display. 4. Select one from the list. The change will take effect immediately. 3.9.3 CEC The feature is not available at this time. 3.9.4 RS-232 When the display connects to the device by RS-232 communication, the display can be controlled with RS-232 commands from the device. Only ViewSonic CDX 4652 is supported at this time. A USB to Serial adapter is required to use this feature. Plug the USB connector into your device's USB port. 18

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18
3.9.1 HDMI Connection
User can select either HDMI or Analog as audio output. By default, it uses HDMI. To
use analog audio output, connect a 3.5 mm mini-jack audio cable to the AV interface
of the device.
1.
Select the device from the Walls and Devices pane.
2.
Click the
Display
tab.
3.
Check for HDMI Connected.
If it shows No, it might be due to one of the following:
• Display is off
•
HDMI cable is not connected
•
Video adapter is used
3.9.2
EDID (Extended Display Identification Data)
EDID is a data structure provided by a digital display to describe its capabilities to a
video source.
The video output resolution and refresh rate can be changed by:
1.
Select the device from the Walls and Devices pane.
2.
Click the
Display
tab.
3.
Click the
Resolution
drop down list. It lists all settings available on the display.
4.
Select one from the list. The change will take effect immediately.
3.9.3 CEC
The feature is not available at this time.
3.9.4 RS-232
When the display connects to the device by RS-232 communication, the display can
be controlled with RS-232 commands from the device. Only ViewSonic CDX 4652 is
supported at this time.
A USB to Serial adapter is required to use this feature. Plug the USB connector into
your device’s USB port.