User's Manual

2. Receiver
＊ ID & Channel lock button：It make lock and unlock ID.
＊ ID & Channel lock lamp：It will be red lighting when the receiver is
locked by lock button.
Q&A：
Q1：Presenter doesn’t work！
A：check batteries are inserted already or not, plug in the receiver to PC or not, check
power switch is turn on or not, do the initialization process or not.
Q2：Laser pointer doesn’t work !
A：check batteries are inserted already or not, check power switch is turn on or not.
Q3：LED Flashing！
A：out of batteries, using rechargeable batteries.
Q4：Trackball movement abnormal！
A：open the round castle of track ball with anti-clockwise direction. Using
non-alcohol solution to clear the track ball and the rubber roller.
LED
Lock key