Black Box AC216A, Руководство пользователя

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Multi-Input Video Scaler Chapter 8 : PROGRAMMER'S GUIDE
PAGE 19
8-4. COMMANDS AND RESPONSES TABLE
The following table resumes commands which are recognized as valid and the responses that will be returned to the host
(on the RS-232 port).
VALUE EXAMPLES ASCII
COMMAND
RESPONSE
TO HOST
COMMAND
DESCRIPTION
MIN MAX COMMAND RESPONSE ACTION
EXPLANATION
Input commands
C CH Input selection. 0 6 1C CH1 Select composite 2
input
p PSTD Standard input selection. 0 14 0p PSTD0 Set to NTSC standard
L TTL
TTL/75
Ω
load selection.
0 1 0L TTL0 Set RGBS sync. under
75
Ω
Output commands
F OFMT Output format selection. 0 5 2F OFMT2 Select 800 x 600 p
s SCRN Type of screen selection. 0 1 0s SCRN0 Select 4/3 screen
Image commands
P PCH Input selection for
adjustment. 0 7 1P PCH1 Select composite 2
input
H HPOS Horizontal position. 0 255 15H HPOS15 Set H position to 15
V VPOS Vertical position. 0 255 10V VPOS10 Set V position to 10
W HSIZ Horizontal size. 0 255 W HSIZ250 Read H size value
S VSIZ Vertical size. 0 255 150S VSIZ150 Set V size to 150
D CON Contrast adjustment. 0 255 D CON128 Read contrast value
O COL Color adjustment. 0 255 55O COL55 Set color value to 55
B BRIG Brightness adjustment. 0 255 45B BRIG45 Set brightness value to
45
T HUE Hue adjustment. 0 255 T HUE128 Read HUE value
Q OVER Under/Overscan mode
selection. 0 1 0Q OVER0 Set to overscan mode
a IASP Input aspect ratio selection. 0 2 0a IASP0 Set aspect ratio to 4/3
R SHAR Sharpness adjustment. 0 8 8R SHAR8 Set sharpness value to 8
M GAM Gamma adjustment. 0 3 M gam2 Read gamma value
Controls commands
r PRES RESET. 0 1 1r PRES1 Set the image
adjustments to the
factory settings
y LOCK Lock front panel. 0 1 0y LOCK0 Unlock the front panel
K BLKD Black delay selection. 1 10 3K BLKD3 Set black delay to 3s
v VER Product version. 0 65535 v VER----- Read the unit's internal
version (0 to 65535)
Y FRES DEFAULT VALUE. 0 1 1Y FRES1 Reset to default values
b STBY POWER. 0 1 1b STBY1 ON STANDBY.
? DEV Device type. 0 65535 ? DEV14 14 = Multi-Input Video
Scaler.
Status commands (read only)
I IFA Input video standard status. 0 11 I IFA0 Selected input is NTSC
standard (3.58/60)
NOTE : The commands values are describe in the following section.