Tianjin APT Science and Technology Co., Ltd.
1001, Building 5 HuaDing, No.1 HuaKe 3 Road,
Binhai hi-tech Industrial Development Zone, Tianjin, China
14 TEL: 86 22 26345859
FAX: 86 22 8371 9955
Email: apt@aptdevelop.com
25.4mm and 22.2mm(marked with L or R), transfer ring must be assembled with the special
directions, pay attention to the green arrow below.
11. Connector descriptions
1、 Red wire : Anode(24v/36v/48V)
2、 Blue wire : Power cord to the controller
3、 Black wire : GND
4、 Green wire : RxD (controller -> display)
5、 Yellow wire : TxD (display -> controller)
12. Assist level instructions
Assist level can be customized, the highest level is 9, common used assist level see the
table below:
3 level 5 level 9 level
0 0 No power assist
1 1
2
1 2 3
4
3 5
2
6
4
7
22.2 L
Clamp L