ASTRO VG-871 - SCAPTION4 [20 H 44 H]: Closedcaption Data Registration

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2.37 SCAPTION4 [20H 44H]: ClosedCaption data
registration
Function: This command registers the ClosedCaption data of the designated program
number. When the program number is 0, it writes the data into the buffer
RAM. When it is 9999, it writes the data into the command work RAM.
Sequence: Type 2
Command:
STX
1 byte
02H
VG4CMD
1 byte
FDH
SCAPTION4
2 bytes
20H 44H
Program number
1 to 4 bytes
“0” to “1000”, “9999”
,
1 byte
2CH (Delimiter)
Mode
1 byte
“0” to “8”
,
1 byte
2CH (Delimiter)
Data
1 or 2 bytes
“0” to “20”
,
1 byte
2CH (Delimiter)
Interval
1 or 2 bytes
“0” to “60”
ETX
1 byte
03H
Fig. 2-37-1