How to use MTSKR2005WF remote to control light?

The MTSKR2005WF remote has one 30V 3A Relay mechanical switch and one 20V 2A transistor electronics switch for esk8 lights, etc. 

1. Relay Switch： 

-When relay switch is in original position(no display of ① in Main interface) , COM(common point) and CLO(normally close) are connected.

-When Short press Function button 3 times (display of ① in Main interface) , COM(common point) and OPE(normally open) are connected. Short press Function Button 3 times, relay switch is off.

2. Transistor Switch： 

Short press Function button 4 times , ② will display on main interface, transistor switch source will be connected to GND and turn on LED.

Short press Function button 4 times, ② will disapper on main interface, LED is off.