Important:
This document is applicable to the following products and models.
NovoTouch BK series BK650i, BK750i, and BK860i.
Serial Port Settings:
| Item | Value |
| Baud Rate | 115200 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
| No. | Description | Code (TX) |
| 1 | Power On | 99 A2 01 01 27 AA |
| 2 | Power Off | 99 A2 FD 00 00 AA |
| 3 | HOME | 99 23 00 01 FF AA |
| 4 | Mute | 99 23 02 01 FD AA |
| 5 | Sound Mode | 99 23 03 01 FC AA |
| 6 | Picture Mode | 99 23 04 01 FB AA |
| 7 | AV | 99 23 08 01 F7 AA |
| 8 | YPbPr | 99 23 0A 01 F5 AA |
| 9 | VGA | 99 23 0B 01 F4 AA |
| 10 | HDMI1 | 99 23 0E 01 F1 AA |
| 11 | HDMI2 | 99 23 0F 01 F0 AA |
| 12 | HDMI3 | 99 23 10 01 EF AA |
| 13 | DP | 99 23 11 02 EE AA |
| 14 | OPS | 99 23 11 01 EE AA |
| 15 | TYPE-C | 99 23 11 03 EE AA |
| 16 | Menu | 99 23 12 01 ED AA |
| 17 | Source | 99 23 13 01 EC AA |
| 18 | Exit | 99 23 14 01 EB AA |
| 19 | Backlight (On/OFF) | 99 23 16 01 E9 AA |
| 20 | Volume(+ ) | 99 23 17 01 E8 AA |
| 21 | Volume(-) | 99 23 18 01 E7 AA |
| 22 | Information | 99 23 1C 01 E3 AA |
| 23 | Up | 99 23 22 01 DD AA |
| 24 | Down | 99 23 23 01 DC AA |
| 25 | Left | 99 23 24 01 DB AA |
| 26 | Right | 99 23 25 01 DA AA |
| 27 | Enter | 99 23 26 01 D9 AA |
| 28 | Media | 99 23 27 01 D8 AA |
| 29 | Touch (On) | 99 23 28 01 D7 AA |
| 30 | Touch (Off) | 99 23 29 01 D6 AA |
| 31 | Physical button (On) | 99 23 2A 01 D5 AA |
| 32 | Physical button (Off) | 99 23 2B 01 D4 AA |
