ASTRO VG-871 - GRALEV4 [28 H 4 DH]: Graphic Plane Level Edit

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3.28 GRALEV4 [28H 4DH]: Graphic Plane Level Edit
Function ： This command edit the level of the graphic plane
Sequence ： Type 2
Command ：
STX
1 BYTE
02H
VG4CMD
1 BYTE
FDH
GRACOL4
2 BYTE
28H 4DH
R
1 to 5 BYTE
"0" to "65535"
,
1 BYTE
2CH (Delimiter)
G
1 to 5 BYTE
"0" to "65535"
,
1 BYTE
2CH (Delimiter)
B
1 to 5 BYTE
"0" to "65535"
,
1 BYTE
2CH (Delimiter)
Bit Mode
1 to 2 BYTE
"8" to "16"
In case it is set as “0”, the RGB value is set as it is.
ETX
1 BYTE
03H
Figure 3-28-1
Note 1) This command is effective for VG-880 only.
Note 2) When ramp pattern over 8bit is generating, this command will be invalid.
Note 3) When the pattern of the graphic plane changes, level setting will be
cleared.
PC
VG
STX～ETX
ACK or STX + ESTS + Error
code +ETX