English – LG BX220-JD User Manual
Page 27
RS-232C
27
ENGLISH
Command Reference List
1. Transmission
* [Command 1]
: First command to control the set.(k, j, x, ASCII code, 1 Character)
* [Command 2]
: Second command to control the set..(ASCII code, 1 Character)
* [Set ID]
: You can adjust the set ID to choose desired projector ID number in special menu. See previous page.
Adjustment range is 1 ~ 99. When selecting Set ID ‘0’, every connected projector set is controlled.
* [DATA]
: To transmit command data. Transmit 2 character when organized ASCII code.
* Transmit ‘FF’ data to read status of command.
* [Cr]
: Carriage Return
ASCII code ‘0x0D’
* [ ]
: ASCII code character correspond to “Space Bar” which is in order to classify command, set ID and Data.
[Command1][Command2][ ][Set ID][ ][Data][Cr]
* The Projector transmits ACK (acknowledgement) based on this format when receiving normal data. At this time, if the data is
data read mode, it indicates present status data. If the data is data write mode, it returns the data of the PC computer.
* This data will be explained in this document in detail.
[Command2] [ ] [Set ID] [ ] [OK] [Data] [x]
[Command2] [ ] [Set ID] [ ] [NG] [Data] [x]
3. Error Acknowledgement
2. OK Acknowledgement
* The Projector transmits ACK (acknowledgement) based on this format when receiving abnormal data from non-viable
functions or communication errors.
Data : [1] : illegal code(This command is not supported.)
[2] : not support function(This function doesn’t work.)
[3] : wait more time(Try again a few minute later.)
❑ Communication Protocol
Command1
Command2
Data
(Hexadecimal)
01. Power
k
a
0 ~ 1
02. Input Select
k
b
*
03. Aspect Ratio
k
c
1 ~ 2
04. Screen Mute
k
d
0 ~ 1
05. Contrast
k
g
0 ~ 64
06. Brightness
k
h
0 ~ 64
07. Color
k
i
0 ~ 64
08. Tint
k
j
0 ~ 64
09. Sharpness
k
k
0 ~ 64
10. OSD Select
k
l
0 ~ 1
11. Remote Control Lock / Key Lock
k
m
0 ~ 1
12. Color Temperature
k
u
0 ~ 2
13. Red ADC gain adjustment
j
w
0 ~ 64
14. Green ADC gain adjustment
j
y
0 ~ 64
15. Blue ADC gain adjustment
j
z
0 ~ 64
16. Low Power
j
q
0 ~ 1
17. Auto configuration
j
u
1
18. Input Select
x
b
*