There is no response after wiring.

[Jinsoo Shin]

Hello.

I'm new user KIT #3.

After opening the box, I install on the vehicle. But I can not see any text or graph. Just brighten the screen.

What do I have to do?

[superscan811]

You need to program the device BEFORE you can use it.

The software.
https://github.com/stanleyhuangyc/Ardui ... megalogger

Program to compile the software then download it to the unit.
http://arduino.cc/en/Main/Software

Cheers.