Appearance & buttons instructions

2) V1/V2/VGA( Video switch for presenting single channel 1/ 2）

3) +（Normally increasing volume. While in setting menu, it is for parameter changes）

4) MENU（Menu button）

5) -（Normally lowering volume. While in setting menu, it is for parameter changes）

6) Profiles button

7) IR receiving

Power Supply Selecting

1) Car Battery ：DC 9V-35V

Using auto adapter to supply power from the auto store battery.

2) Reverse Light Power：DC 12V