Grass Valley 2200 - Manual (Page 114)

5-24
Section 5 Ñ Digital Effects Interface
Example 5
DPM -> Switcher, SET front key source
00 01 ; Version
00 06 ; Msg token, SET
00 00 ; Return Id
00 10 ; Data Size
00 00 00 17 ;Header checksum
03 2B ; Param Id, PID_FRONT_KEY_SOURCE_LIST
00 00 ; flags, ABSOLUTE
00 00 00 05 ; Device, logical channel 1 and logical channel 3
0F 00 09 00 00 00 00 00 ; 8 channels worth of source information;
; only channel 1 and channel 3 are relevant.
Example 6
DPM -> Switcher, SET front/back select
00 01 ; Version
00 06 ; Msg token, SET
00 00 ; Return Id
00 10 ; Data Size
00 00 00 17 ; Header checksum
03 30 ; Param Id, PID_FRONT_BACK_SELECT_LIST
00 00 ; flags, ABSOLUTE
00 00 00 05 ; Device, logical channel 1 and logical channel 3
00 00 01 00 00 00 00 00 ; 8 channels worth of source information;
; only channel 1 and channel 3 are relevant.
; 00 = front visible
: 01 - back visible