Quantum Data 881 - Manual (Page 355)

881/882 Video Test Generator User Guide (Rev A.22) 337
Note: Depending on the selected image, pressing the + and - keys will change the
amplitude or frequency of the HDMI audio output.
Alternatively, to enable and view an image version using the command line interface,
enter the following commands:
ISUB 1 // Enables sub images
IVER 1 // Specifies the first image version
IMGU // Activates the image version
5. To verify proper HDMI audio handling, check the following on the HDMI display:
• Audio is output from the proper channels (left, right, or both).
• When amplitude is adjusted, the volume is subsequently changed.
6. Press the Content key and choose one of the audio images used for frequency
adjustment (for example, Audio_1f).
The image appears on the connected HDMI display. The image shows the current
settings for the HDMI audio output. For example, the Audio_1f image is shown below.
Alternatively, to select the audio image using the command line interface, enter the
following commands:
IMGP /tffs0/Library/Images // Set image path to generator memory
IMGL AUDIO_1f // Loads the Audio_1f image
IMGU // Activates the Audio_1f image
7. To verify proper HDMI audio handling, check the following on the HDMI display:
• Audio is output from the proper channels (left, right, or both).
• When frequency is adjusted, the pitch is subsequently changed.