Quantum Data 780C - Page 221

780C Multi-Interface Interoperability Tester – User Guide Page 220
September 29, 2014
Revision A1
Table 12-2: List of Commands (alphabetical) – For Testing HDMI Audio in Sink Devices
Command
Description
Syntax
Parameters
Command Example
NBPA
Sets the number of
bits per sample in the
SPDIF, Optical and
HDMI PCM audio.
NBPA <bits>
NBPA?
<bits>
Where bits is one of:
16, 20, 24
To set the audio bit depth to 24:
NBPA 24
FMTU
NDAC
Sets the number of
digital audio channels
for an LPCM audio
signal.
NDAC <channels>
NDAC?
<channels>
Where channels is:
2 or 8
To set the number of channels
to 8:
NDAC 8
FMTU
DASI
Sets the digital audio
interface.
DASI <interface>
DASI?
<interface>
Where interface is one of:
0 = disabled
1 = SPDIF
4 = Optical
6 = HDMI
To set the digital audio interface
to HDMI:
DASI 6
FMTU
Table 12-3 below provides the list of commands supported or testing HDMI source devices:
Table 12-3: List of Commands – For Testing HDMI Source Devices
Command
Description
Syntax
Command Example
AKSV?
Shows value of source device’s
AKSV (in hex) when connected to
780C Rx.
AKSV?
To read a source device’s AKSV:
AKSV?
152BDD2533
AUDA
Queries the Audio Clock
Regeneration (ACR) N and CTS
values received from a source.
AUDA:N?
AUDA:CTS?
To view the N value from a source:
AUDA:N?
458779