User Guide

21
Command format:
Channel
Type
Description
fb
01 (Text/QR Code Content
Update)
ID (1B)+Content Size(1B)+Content (Mutable)
ID:
Bit 7-bit 6: 00=template 1, 01=template 2
Bit5-Bit 0: module ID
Content: UTF-8 format content
Reply format:
Channel
Type
Description
fa
01 (Text/QR Code Content
Update)
ID(1B)+Code(1B)
ID:
Bit 7-bit 6: 00=template 1, 01=template 2
Bit5-Bit 0: module ID
Code description:
00: content update success
01: no this template
02: no this module
03: invalid content length
04: this module is non-editable
Note: Module ID of default template:
0: Miles
1: 4B1-01
2: Product Manager
3: Product Department
4: Reserved
5: 2022/12/30 10:30-12:30
10: QR Code
Example:
1. Set title as test and fresh the screen to check the result.
fb01000474657374ff3d02
Channel
Type
Value
Channel
Type
Value
fb
01 (Text content
update)
00: template 1,
module 1
04: content size
is 4 bytes
74657374: test
ff
3d(Screen
Refresh)
02