User's Manual

Wireless Keyboard

Model No.: RK 0410

Maintain the Keyboard

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.

Troubleshooting

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

PAGE 1
Wireless Keyboard Model No.: RK 0410 Maintain the Keyboard 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.
PAGE 2
the frequency. If you have SUNREX or JME wireless keyboard and setting instruction. Make sure you have press the “setting button” and “link button” on keyboard at the same time. •If you are working on the metal surface, try to use mouse pad. •Try to remove and link receiver and computer once again. Troubleshooting for PC connection •Make sure the receiver cable is plugged into the right port USB or PS/2. Don’t remove or plug the cable when PC running.
PAGE 3
radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation.