Digital View 41727001X/2X-3, Instructions Manual

Page: 26 / 37

Page 26 of 36
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 : Molex 51021-0600 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
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)
Volume control -
left + right channel 0x80, “a” | “A”,
nn | “+” | “-“|
“r” | “R” |
“?” Set audio (L+R) volume =
value/increment/decrement
Reset
Query Volume left + right
Volume control -
on/off (mute)
0x80, “m” | “M”,
“0” |
“1“|
“r” | “R” |
“?” Disable audio output
Enable audio output
Reset
Query “0” – audio off (muted)
“1” – audio on
Volume control -
Audio Output 0x80, “s” | “S”,
“0” |
“1“|
“r” | “R” |
“?” Enable SPDIF output
Enable Speaker output
Reset
Query “0” – SPDIF
“1” – Speaker
Brightness control 0x81,
nn | “+” | “-” |
“r” | “R” |
“?” Set brightness =
value/increment/decrement
Reset
Query Brightness.
Range: “0””0”-“6””4”
Default: “3””2”
Contrast control
0x82, “a” | “A”,
nn | “+” | “-” |
“r” | “R” |
“?” Set all contrast =
value/increment/decrement
Reset
Query Contrast.
Range: “4””0”-“6””4”
Default: “3””2”
Phase
#
0x85,
nn | “+” | “-” |
“?”
Set dot clock phase =
value/increment/decrement
Query Dot clock phase.
(In ARGB mode only)
Image H position
#
0x86,
nnnn | “+” | “-” |
“?”
Set img_hpos =
value/increment/decrement
Query Image horizontal position.
(In ARGB mode only)
Image V position
#
0x87,
nnnn | “+” | “-” |
“?”
Set img_vpos =
value/increment/decrement
Query Image vertical position.
(In ARGB mode only)
5 4 6 3 1
5 4
6
3
1
7
8 9
Mating face of RS-232 DB9 Male
Mating face of CN8