Hatteland JH 19T01 MIL User Manual page 82

Video Controller Interface Commands
Other Control
Function
Select video mode
Auto-setup
Command
availability
Graphic horizontal
resolution enquiry
Graphic vertical
resolution enquiry
Graphic horizontal
sync frequency
Graphic vertical
sync frequency
OSD turn off
n = 1-byte ascii-coded hex number, e.g., parameter value of 0x1 is represented by "1" (0x31).
nn = 2-byte ascii-coded hex number, e.g., parameter value of 0x1e is represented by "1", "e" | "E" (0x31, x6e|0x4e).
Remarks:
1. Command 0xcd is only available for new displays (8/5-03 and beyond).
2. If the data sent to the controller is out of range, the controller will not set that value and there will be no
acknowledgement.
3. If the command sent to the controller is not available for that controller, there will be no acknowledgement.
4. The controller will respond to RS-232 command when the controller is in standby, no video input or normal
operating condition.
5. If the following parameters are changed through RS-232: Power Down Option, Exclusive/Priority,
Input Source, Video Input, the controller should change state according to the latest setting immediately.
Command Table
IND100103-1
Command Description
0xc2, nn Current vmode = nn.
0xc3 Start auto-setup of current
vmode.
0xc4, nn Check whether a command is
available.
0xb7 Horizontal resolution (in pixels)
in 3 digit hex number
0xb8 Vertical resolution (in lines) in 3
digit hex number
0xb9 Horizontal sync frequency (in
units of 100Hz) in 3 digit hex
number
0xba Vertical sync frequency (in units
of Hz) in 3 digit hex number
0xbd Turn off the OSD.
2
INB100005-3 (Rev 9)
Acknowledge (if enabled)
Current video mode selected.
"0" – fail.
"1" – successful.
"0" – not available.
"1" – available.
"nnn" = horizontal resolution
"nnn" = vertical resolution
"nnn" = horizontal frequency
"nnn" = vertical frequency
"0" – fail.
"1" – successful.