Rohde & Schwarz R&S UPP, User Manual

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Instrument Functions
R&S
®
UPP
447 User Manual 1411.1055.32 ─ 10
With a "Color Depth" of 12 , the Video Trigger is activated without any problems, since
the "Mute Color" is still outside of the threshold range: "Mute Color" =
(1000,2000,3000), "Active Color Low" = (1005,2005,3005), "Active Color High" =
(1015,2015,3015)
With a "Color Depth" of 8 , the last 4 bits no longer contribute to the calculation and are
set to zero. The "Mute Color" would fall into the threshold range and be easy to identify
if the RGB values are displayed in the hexadecimal format. "Mute Color" =
(1000,2000,3000) =
3E 0h, 7D 0h, BB 0h. "Active Color Low" = (1005,2005,3005) =
3E 0h, 7D 0h, BB 0h. "Active Color High" = (1015,2015,3015) = 3F0h, 7D0h, BC0h. In
this case, no Video Trigger would be activated!
SCPI command:
SENSe[1]:FUNCtion LIPSync
Meas Time
Determines the time period (indicated with "Measurement Time" in the figure), in which
the audio and video signal are observed and the periodicity of the Lip Sync pattern
together with the "On Time" set in the corresponding "Lip Sync" generator function.
The measurement time must always be greater than the "On Time", otherwise a corre-
sponding message appears and the measurement is not started.
If the audio or video trigger event does not occur during the measurement time, the
measurement is aborted with a "timeout" message.
"Value " The Lip Sync measurement is performed inside a predefined time
which has to be entered in the following parameter field.
Remote command:
SENSe[1]:FUNCtion:APERture:MODE
on page 753
SENSe[1]:VOLTage:APERture
on page 754
Active Color Low
Lip Sync analysis