Keysight N5991 HDMI Frame Generator User Guide 21
Using the Software 3
These packets are sent with each frame during the blanking period. Note
that these parameters are only available for TMDS Sink testing.
Packet Position Offset
You can select the position of the desired packets in the blanking period.
The offset of the packet position is relative to the “Hsync Active Start”. The
value ‘0’ places the packets directly after the “Hsync Active Start”. Any
value above ‘0’ shifts the first and all residual packets by the amount of
symbols as defined in this field. For example, the value ‘2’ shifts the
appearance of the first packet by 2 symbols from the “Hsync Active Start”.
The possible “empty” parts between the “Hsync Active Start” and the first
packet position is filled with control characters.
Packet Viewer/Editor
The contents of the desired packets can be viewed and edited.
Click “Edit...” to edit the packets on the “Packet Viewer/Editor” window as
shown in Figure 6.
Figure 6 HDMI Frame Generator Packet Viewer/Editor
In this window, every bit of each packet can be modified. To edit a packet,
select it from the drop-down box in the top left-hand corner of the
window. The check box “Send Packet” determines whether the packet is
actually transmitted in the video stream or not.
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