Barco RS232 - Manual (Page 49)

2. Basic Commands
for composite video: the data byte describes the location of the composite video source signal to be selected.
Byte value Mode
0 Video BNC
1 Vertical sync BNC
2 Red BNC
3 Green BNC
4 Blue BNC
5 SVideo Y
6 SVideo C
7 Video 2 5
for Svideo: the data byte describes the location of the S-Video signal to be selected.
Byte value Mode
100 ( x\64 ) SVideo 1
101
(x\65)
SVideo on Vs and Video BNC
102 (x\66) SVideo on R & B
103
(x\67)
SVideo 4 5
If byMode is ommited the mode is automaticaly detected.
2.10 Scanned inputs, read
Description
read the scanned inputs and returns the type of source signal present .
Command
Command [0] \x39
Command[1] \x01
Returned Data
10 unsigned words.see chapter "1. Serial communications Basics", "Data words", page 6
Data word scanned input possible sources, Wvalue =
wValue1 BNC (RED) 0 = none ; 1 = RED; 2 = Pr ; 3 = S-VID(chr) ; 4 = VideoR
wValue2 BNC (GREEN) 0 = none ; 1 = GREEN ; 2 = G
s
; 3 = Y ; 4 = VideoG
wValue3 BNC (BLUE) 0 = none ; 1 = BLUE ; 2 = Pb ; 3 = S-VID(lum) ; 4 = VideoB
wValue4 BNC (HS) 0 = none ; 1 = HS; 2 =CS
wValue5 BNC (VS) 0 = none ; 1 = VS; 2 = S-VID(chr) ; 3 = Video VS
wValue6 BNC (VIDEO) 0 = none ; 1 = VIDEO ; 3 = S-VID(lum)
5. optional
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