Quantum Data 881 - Page 628

250 Appendix A Command Reference
CPTX:SDCZ
Specifies how generator determines downstream
device count
Class HDCP Compliance
Description Specifies whether the 880 uses a downstream device count of 0 or the downstream device
count as specified by the SKSV command. This command only applies to the 1B-01 test
and the 3B-01 test when testing HDMI HDCP compliance. This is one of the Product
Capabilities Parameters (PCP).
Command syntax CPTX:SDCZ device_count
device_count
0 = no downstream devices
1 = uses the valued specified by the SKSV parameter
Query syntax CPTX:SDCZ?
Query response 0 or 1
Example 1
CPTX:SDCZ 0 // Specifies that there are no downstream devices connected
for the 1B-01 test and the 3B-01 test.
Example 2 CPTX:SDCZ? // Queries how to determine the number of downstream
devices.
1 // Indicates that the test will be run using the number
of downstream devices specified with the SKSV parameter.