Specifications subject to change without notice
© Digital View Ltd – Doc Ver 2.00: 11 November, 2016
Page
26 of 35
Appendix II – RS-232 control protocols
RS-232 Serial control (Baud rate 2400,
8 bits, 1 stop bit and no parity
)
Physical connection :
Controller side
Computer side
Connector interface : CN8
Connector interface : Serial port
Mating connector : JST XHP-6
Mating connector : DB9 Female
PIN#
Description
PIN#
Description
4
RS-232 Tx Data
2
RS-232 Rx Data
5
Ground
3
RS-232 Tx Data
6
RS-232 Rx Data
5
Ground
Remark :
(1) : RS-232 connection cable, 600mm P/N 426090200-3 can be ordered separately for connection.
Software connection :
The OSD function can be controlled through sending the RS-232 protocol.
The RS-232 program can be custom-made to fit for application or it can be used the program provided by Digitalview on
request. Please contact your local sales for informations.
1. Commands to implement switch mount control buttons
Function
Command
Description
Acknowledge (if enabled)
Menu
0xf7
Menu button pressed
Button equivalent
Select-down
button
0xfa
Select down button pressed
Button equivalent
Select-up button
0xfb
Select up button pressed
Button equivalent
Right/+ button
0xfc
Right/+button pressed
Button equivalent
Left/- button
0xfd
Left/- button pressed
Button equivalent
2. Parameter setting - immediate, relative, reset and query
Function
Command
Description
Acknowledge (if enabled)
Brightness control
0x81,
nn | “+” | “-” |
“r” | “R” |
“?”
Set brightness =
value/increment/decrement
Reset
Query
Brightness.
Range: “0””0”-“F””F”
Default: “8””0”
Contrast control
0x82, “a” | “A”,
nn | “+” | “-” |
“r” | “R” |
“?”
Set all contrast =
value/increment/decrement
Reset
Query
Contrast.
Range: “0””0”-“F””F”
Default: “8””0”
Phase
#
0x85,
nn | “+” | “-” |
“?”
Set dot clock phase =
value/increment/decrement
Query
Dot clock phase.
(In VGA mode only)
Image H position
#
0x86,
nn | “+” | “-” |
“?”
Set img_hpos =
value/increment/decrement
Query
Image horizontal position.
(In VGA mode only)
Image V position
#
0x87,
nn | “+” | “-” |
“?”
Set img_vpos =
value/increment/decrement
Query
Image vertical position.
(In VGA mode only)
5
4
6
3
1
7
8
9
Mating face of CN8
Mating face of RS-232 DB9 Male
5
4
6
3
1
