ASTRO VG-870, Инструкция по эксплуатации

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Chapter 2 INDIVIDUAL FORMATS FOR VG CONTROL COMMANDS
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2.40 LVCHIP4 [20H 47H]: V-Chip data acquisition
Function: This command gets the V-Chip data of the designated program number.
When the program number is 0, it reads out the data from the buffer RAM.
When the program has any number from 1001 to 2000, the command reads
out the data from the fixed data. When the program number is 9999, the
command reads the data from the command work RAM.
Sequence: Type 3
Command:
STX 1 byte 02H
VG4CMD 1 byte FDH
LVCHIP4 2 bytes 20H 47H
Program number 1 to 4 bytes
“0” to “2000”, “9999”
ETX 1 byte 03H
Fig. 2-40-1
Data:
STX 1 byte 02H
TRDT 1 byte 10H
Mode 1 byte
“0” to “4”
, 1 byte 2CH (Delimiter)
MPAA Rate 1 byte
“0” to “7”
, 1 byte 2CH (Delimiter)
USTV Rate 1 byte
“0” to “7”
, 1 byte 2CH (Delimiter)
USTV Ext. Rate 1 byte 40H to 5FH *1
, 1 byte 2CH (Delimiter)
English Rate 1 byte
“0” to “6”
, 1 byte 2CH (Delimiter)
French Rate 1 byte
“0” to “5”
, 1 byte 2CH (Delimiter)
Interval 1 or 2 bytes
“0” to “60”
ETX 1 byte 03H
Fig. 2-40-2
Data contents are as below.
Example 1) When all off :
“0”
Example 2) When only FV is On :
“16”
Example 3) when V and L are On :
“10”
Example 4) When V, S, L are On :
“14”