NRS70 Series
SECTION 4
NRS70OPS
070803 Version 1 Issue 2
www.snellwilcox.com
4.12
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Delay Offset
In addition to the delay compensating for the video
path through the system, an extra audio delay
period can be added to compensate for any video
delay introduced elsewhere in the system.
Delay Offset
Delay 0 ms
Preset
Delay Offset
The range of adjustment is from –40 ms to
+160 ms in steps of 1 ms.
Preset is to 0 ms.
Audio Delay Timing
Audio
Video Input
x ms
Audio
Video Output
y ms
Audio Output
Audio Input
In the above diagram, the delay through the
NRS70 is x ms. The timing of the audio output is
set using the delay offset control. A negative audio
delay will advance the audio by up to –x ms. The
delay offset in the above diagram is –y ms.
Note that the absolute audio delay will be shown in
the GPI section of the status display. (see page
4.26, GPI Delay).
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Output Status
This function allows the status of output A and
output B to be displayed.
Output A Status
Output B Status
Output Status
The status of the selected output will be shown in
the window.
Output A/B Status
Output A/B Staus
audio chan status a/b
OK
Examples of messages are as follows:
Muted pair 2
Default disable
Default tone 2
Default mute 2
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Combine Group
Two pairs in the same group can be presented in
two valid but different ways in the Ancillary data
(combined or not combined).
The
Combine Group
function allows the user to
specify which one of these two alternatives the
NRS70 will use to embed the audio.
When the text is highlighted the group will be
combined; when the text is normal the group will
not be combined.
Default is to ON (Combine Group).
This control should be used if equipment
downstream of the NRS70 is only able to recognize
an uncombined group.
