RS-232 Specification

Important:

This document is applicable to the folowing products and models.

NovoTouch LK-1 series LK6530i, LK7530i, and LK8630i.
NovoTouch EK-1 series EK650i, EK750i and EK860i
NovoTouch EK-2 series EK653i, EK753i, and EK863i.

Serial Port Settings:

Item Value
Baud Rate 9600 bps (Fixed)
Data Bits 8 (Fixed)
Stop Bits 1 (Fixed)
Parity None (Fixed)

Command Format:

No. Content Description Remark
1 0xAA Head Fixed Value
2 0xBB Fixed Value
3 0xCC Fixed Value
4   Main  
5   Subcommand  
6 0x00 Length Valid data
7 Checksum Checksum Sum from No.4 to No.6
8 0xDD End Fixed Value
9 0xEE Fixed Value
10 0xFF Fixed Value

Code List

Function Mode Code Remark
Power On AA BB CC 01 00 00 01 DD EE FF  
Off AA BB CC 01 01 00 02 DD EE FF  
Source VGA AA BB CC 02 03 00 05 DD EE FF  
HDMI 1 AA BB CC 02 06 00 08 DD EE FF  
HDMI 2 AA BB CC 02 07 00 09 DD EE FF  
HDMI 3 AA BB CC 02 05 00 07 DD EE FF  
PC AA BB CC 02 0E 00 10 DD EE FF  
ANDROID AA BB CC 02 0A 00 0C DD EE FF  
ANDROID+ AA BB CC 02 0E 00 10 DD EE FF  
DP AA BB CC 02 11 00 13 DD EE FF  
Volume 000-100 AA BB CC 03 00 xx ** DD EE FF  
Mute AA BB CC 03 01 00 04 DD EE FF  
Unmute AA BB CC 03 01 01 05 DD EE FF  
Aspect Ratio 16:09 AA BB CC 08 00 00 08 DD EE FF  
04:03 AA BB CC 08 01 00 09 DD EE FF  
PTP AA BB CC 08 07 00 0F DD EE FF  
PC Power On AA BB CC 09 01 00 0A DD EE FF  
Off AA BB CC 09 00 00 09 DD EE FF  
xx = from 0 to 100 (Volume)
E.g. Volume = 30 (Devimal) = 1E (Hex)
xx = 1E and ** = 03 (Hex) +1E (Hex) = 21 (Hex)
Remote Control Windows AA BB CC 07 0B 00 12 DD EE FF  
Space AA BB CC 07 46 00 4D DD EE FF  
Alt+Tab AA BB CC 07 1D 00 24 DD EE FF  
Alt+F4 AA BB CC 07 1F 00 26 DD EE FF  
Num_1 AA BB CC 07 00 00 07 DD EE FF  
Num_2 AA BB CC 07 10 00 17 DD EE FF  
Num_3 AA BB CC 07 11 00 18 DD EE FF  
Num_4 AA BB CC 07 13 00 1A DD EE FF  
Num_5 AA BB CC 07 14 00 1B DD EE FF  
Num_6 AA BB CC 07 15 00 1C DD EE FF  
Num_7 AA BB CC 07 17 00 1E DD EE FF  
Num_8 AA BB CC 07 18 00 1F DD EE FF  
Num_9 AA BB CC 07 19 00 20 DD EE FF  
Num_0 AA BB CC 07 1B 00 22 DD EE FF  
Display AA BB CC 07 1C 00 23 DD EE FF  
Refresh AA BB CC 07 4C 00 53 DD EE FF  
Input AA BB CC 07 07 00 0E DD EE FF  
Home AA BB CC 07 48 00 4F DD EE FF  
Menu AA BB CC 07 0D 00 14 DD EE FF  
Delete AA BB CC 07 40 00 47 DD EE FF  
Energy AA BB CC 07 4E 00 55 DD EE FF  
Up AA BB CC 07 47 00 4E DD EE FF  
Down AA BB CC 07 4D 00 54 DD EE FF  
Left AA BB CC 07 49 00 50 DD EE FF  
Right AA BB CC 07 4B 00 52 DD EE FF  
Enter AA BB CC 07 4A 00 51 DD EE FF  
Point AA BB CC 07 06 00 0D DD EE FF  
Back AA BB CC 07 0A 00 11 DD EE FF  
CH + AA BB CC 07 02 00 09 DD EE FF  
CH – AA BB CC 07 09 00 10 DD EE FF  
Vol + AA BB CC 07 03 00 0A DD EE FF  
Vol – AA BB CC 07 41 00 48 DD EE FF  
PageUp AA BB CC 07 42 00 49 DD EE FF  
PageDown AA BB CC 07 0F 00 16 DD EE FF  
F1 AA BB CC 07 45 00 4C DD EE FF  
F2 AA BB CC 07 12 00 19 DD EE FF  
F3 AA BB CC 07 51 00 58 DD EE FF  
F4 AA BB CC 07 5B 00 62 DD EE FF  
F5 AA BB CC 07 44 00 4B DD EE FF  
F6 AA BB CC 07 50 00 57 DD EE FF  
F7 AA BB CC 07 43 00 4A DD EE FF  
F8 AA BB CC 07 1A 00 0B DD EE FF  
F9 AA BB CC 07 04 00 0B DD EE FF  
F10 AA BB CC 07 59 00 60 DD EE FF  
F11 AA BB CC 07 57 00 5E DD EE FF  
F12 AA BB CC 07 08 00 0F DD EE FF  
Red AA BB CC 07 5C 00 63 DD EE FF  
Green AA BB CC 07 5D 00 64 DD EE FF  
Yellow AA BB CC 07 5E 00 65 DD EE FF  
Blue AA BB CC 07 5F 00 66 DD EE FF  

Polling Code List

Function Code Response Status
Power Status AA BB CC 01 02 00 03 DD EE FF AA BB CC 80 00 00 80 DD EE FF On
AA BB CC 80 00 00 80 DD EE FF Off
Volume Status AA BB CC 03 02 00 05 DD EE FF AA BB CC 82 00 xx ** DD EE FF Volume = xx
Mute Status AA BB CC 03 03 00 06 DD EE FF AA BB CC 82 01 00 83 DD EE FF Mute
AA BB CC 82 01 01 84 DD EE FF Unmute
Source Status AA BB CC 02 00 00 02 DD EE FF AA BB CC 81 03 00 84 DD EE FF VGA
AA BB CC 81 0E 00 8F DD EE FF ANDROID+
AA BB CC 81 05 00 86 DD EE FF HDMI 3
AA BB CC 81 06 00 87 DD EE FF HDMI 1
AA BB CC 81 07 00 88 DD EE FF HDMI 2
AA BB CC 81 08 00 89 DD EE FF PC
AA BB CC 81 0A 00 8B DD EE FF ANDROID+
AA BB CC 81 11 00 92 DD EE FF DP
PC Status AA BB CC 09 02 00 0B DD EE FF AA BB CC 83 00 00 82 DD EE FF On
AA BB CC 83 01 00 84 DD EE FF Off
AA BB CC 83 02 00 85 DD EE FF Sleep
AA BB CC 83 03 00 86 DD EE FF Hibernate