Visual Circuits H-DVP, User Manual

Page: 39 / 89

Using the HDCom Application
29
Cross-Channel Synchronization Commands
mpgSyncChannels
This command synchronizes a group of channels.
Syntax
PSJ6\QF&KDQQHOV JURXSPFDUGPFKDQQHOVFDUG
VFKDQQHO >«@
Parameters
JURXS
A group identifier from 0–32
PFDUG
The master playback card
PFKDQQHO
The channel on the master playback card (always zero)
VFDUG
The first slave card
VFKDQQHO
The channel on the first slave card (always zero)
Return Values
This command returns ACK if the synchronization group is
created successfully, or NAK if the group could not be created.
Remarks
The value supplied for the group parameter can be used by the
mpgUnSyncChannels, mpgPlaySyncChannels, and
mpgStopSyncChannels commands to control the entire
synchronized group. The group can be assigned any number from
0–32.
The scard1 and schannel1 parameters identify the first slave card
and channel. You can add an arbitrary number of slave channels
after the first, following the card-then-channel format. The channel
number for both master and slave cards is always zero.