Sunrex Technology Corp 0522A User Manual

 

Trackball cleaning 

 

If the product have trackball device, when the cursor skip or move abnormally, 

    Clean the ball that is inside trackball. 

1.Remove the retainer ring to remove the ball. On the bottom of the trackball, 

press in the direction of the Open arrow imprinted on the retainer ring cover. 

2.Wipe the ball with a clean, lint-free cloth, then blow carefully into the 

ball-cage to dislodge dust and lint. Look for a build-up of dirt on the rubber 

roller(s) inside the ball-cage. 

3.If dirty, clean the roller (s) using a cotton swab moistened lightly with isopropyl 

(rubbing) alcohol. After cleaning, make sure the roller(s)    are still centered in 

their channels. Make sure that fluff from the swab is not left on the roller(s). 

4.Replace the ball and retainer ring. 

 

 

Wireless Keyboard no function 

 

‧Make sure receiver cable plug into correct port.    Receiver port should plug into     

            PS/2 or USB keyboard port and mouse port. For the best efficiency, keep the   

            receiver 8 inch or 20 cm distance with other electrical device. Ex. Computer,   

            Monitor.. 

 

‧Make sure you set up the battery correctly. And make sure battery is full   

            charged. 

 

‧Set up the communication between receiver, mouse. Trackball or keyboard. Press   

            the button on the receiver, then press “ID setting button” on the keyboard to adjust