Quantum Data 881 - Manual (Page 599)

881/882 Video Test Generator User Guide (Rev A.22) 581
8. Choose the Analyzer item by pressing the adjacent soft key. The Analyzer menu
appears on the generator’s display as shown below.
9. Choose the LipSync item by pressing the adjacent soft key. The LipSync menu
appears on the generator’s display as shown below.
Alternatively, to enable the analyzer to measure lipsync correction through the
command line interface, enter the following command:
LSAX:LSGM 1 // Enables lipsync analyzer
LSAX:LSGU // Activates lipsync analyzer
10. Choose !Measure to measure audio/video latencies in the test image.
If audio/video latency is exceeded, the following appears on the generator’s display
asshown below.
Alternatively, to measure audio/video latencies in the test image through the command
line interface, enter the following command:
LSAX:TLAT? // Returns audio/video latency in milliseconds
LSAX:PLAT? // Returns which data stream was received first
(0-Video, 1-Audio)
LSAX:LSGU // Updates hardware
11. Press !Stop to halt lipsync measurements.
Generating an HDMI source Lipsync data report
Follow the procedure to generate an HTML report of lipsync measurement test results.
To generate a report of lipsync measurement test results:
1. Establish a session with the generator using either HyperTerminal over a serial
connection or Telnet over an Ethernet LAN. See “ Establishing a terminal session with
Timing
CableTest PIX-ERR
PRN-ERR
*
ViewPix LipSync
LIPSYNC
Measure Exit
!Report
! !
LIPSYNC
Stop Exit
Latency Exceeded
! !