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Operating Warnings:

 

For optimal performance and RF (Radio Frequency) reception: 

1.

 Avoid using the wireless keyboard on a metal desk or a desk with a metal frame can cause problems with pointing device behavior and 

range.

 

Hardware Installation   

Step 1: Inserting the Batteries   

A. 

Press the tab on the battery cover 

locates on the keyboard bottom 

and remove the cover.   

B. 

Insert the supplied batteries, making sure that the 

positive (+) and negative (-) ends of 

the battery 

match

 the polarity indicators inside the battery 

housing. 

C. 

Slide the batter cover back into its 

position until it “clicks” firmly into place. 

 

Step 2: Connect the Receiver 

A. For Notebook computer: 

Insert the USB receiver into the USB port of your Notebook 

computer. 

 

A. For PC computer: 

Insert the USB receiver into the USB port of desktop computer or 

via a USB HUB.   

 

B. The USB receiver will automatically be recognized by your computer. 

Summary of Contents for GK-21

Page 1: ...Wireless Keyboard User s Guide Model GK 21 www a4tech com ...

Page 2: ...erference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures z Reorient of relocate the receiving antenna z Increase the separation between the equipment and receive...

Page 3: ...ea without interfering in the range up to 8 10 meters Errorless 2 way communication technology features error correction capability that speeds up data transmission and increases wireless precision It saves valuable battery power and cost Anti interference with Auto Channel Hopping Technology Auto Channel Hopping technology automatically detects and secures available channels in the busy public 2 ...

Page 4: ... feet 8 10 meters This will ensure optimal communication between the keyboard and the USB receiver NOTE You should always get at least a 4 meters range If you find that your cordless device gets less than 4 meters range please replace the batteries with a fresh set perform the synchronization procedure for the keyboard and test the range again If the range is still below 4 feet please test your de...

Page 5: ... and remove the cover B Insert the supplied batteries making sure that the positive and negative ends of the battery match the polarity indicators inside the battery housing C Slide the batter cover back into its position until it clicks firmly into place Step 2 Connect the Receiver A For Notebook computer Insert the USB receiver into the USB port of your Notebook computer A For PC computer Insert...

Page 6: ...ress the connect button on the bottom of the keyboard If you can t find or see your keys on the screen follow the steps below 1 Unplug and re plug the receiver 2 Test the device on another USB port or computer Note Removing the batteries will require you to synchronize it with the receiver again the next time you turn it back on ...

Page 7: ...uirements and run one of the operating system listed below Hardware IBM or Compatible PC CD User Manual on CD Hard Disk Driver USB Port Operating System Windows 2000 XP MCE2005 XP x64 2003 x64 and VISTA x86 Package Includes 2 4GHz RF Keyboard USB RF Receiver 2 AAA Alkaline Batteries CD User Manual on CD ...

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