Grass Valley 2200 - Manual (Page 115)

5-25
Examples
Example 7
DPM -> Switcher, ISSUE
00 01 ; Version
00 10 ; Msg token, ISSUE
00 00 ; Return Id
00 20 ; Data Size
00 00 00 31 ; Header checksum
00 00 ; Rqst Id
00 00 ; Serial Number
00 03 ; Service Id, PARAMETER_SERVICE
00 00 ; padding
03 95 ; Param Id, PID_SYSTEM_NAME
00 00 ; padding
00 00 00 00 ; Device, EFFECT_MANAGER
16-byte system name in ASCII
Example 8
Switcher -> DPM, SUBSCRIBE to more than one Param Id
in one message
00 01 ; Version
00 08 ; Msg token, SUBSCRIBE
00 00 ; Return Id
00 28 ; Data Size
00 00 00 31 ; Header checksum
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ; 16 bytes rqstAddr
00 01 ; Rqst Id
00 00 ; Serial number
00 03 ; Service Id, PARAMETER_SERVICE
00 00 ; flags, APPEND_SERVICE
03 33 ; Param Id, PID_VIDEO_ON_AIR
00 00 ; padding
00 00 00 FF ; Device, 8 channels
03 34 ; Param Id, PID_KEY_ON_AIR
00 00 ; padding
00 00 00 FF ; Device, 8 channels