Ortek Technology WPM500 Wireless Mobile Mini Keypad User Manual Introduction
Ortek Technology Inc Wireless Mobile Mini Keypad Introduction
Users Manual

Wireless Mobile Mini Keypad 
User’s Manual  
Version: 1.4 2005/03 
ID NO: PAK-WKP25001-00 
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Introduction 
This manual is designed to assist you in installing and 
using the Keypad. Information in this document has been 
carefully checked for accuracy; however, no guarantee is 
given to the correctness of the contents. The information 
in this document is subject to change without notice.  
System Requirements 
 Microsoft® Windows® 98/Me/2000/XP and MAC OS 
compatible 
 One USB v. 1.1 or 2.0 Compliant Port 
Installation 
Connection with Windows®98/Me 
1. Plug the USB receiver connector to your PC. 
2. The Add New Hardware Wizard appears. 
3. Click Next. The locate driver screen appears. 
4. Select “Search for the best driver for your device.     
(Recommended),” and then click Next. The wizard searches 
for the appropriate device driver. 
5. Click Finish to complete the driver installation.   
You are now ready to begin using your wireless keypad. 

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Windows 2000/XP Operating System 
1. Plug the USB receiver connector to your PC. 
2. The Found New Hardware Wizard appears and the OS will 
install the driver automatically. No other steps are necessary. 
You are now ready to begin using your wireless keypad 
ID setting: 
Plug the receiver into your notebook’s USB port and turn on the 
wireless keypad. Pressing the ID button on the receiver, then the 
ID setting is accomplished. 
Special Function: 
This new keypad has no synchronized problem; users can use the 
keypad and inputting characters from a notebook at the same time. 
Especially, it doesn’t need any drivers and fully support Plug & 
Play. 
No matter the Host’s Num Lock function status, users can choose 
the Num Key or direction key on the keypad. When users press the 
keypad’s Num Lock key once, it can change the keypad’s Num 
Lock status. If press the Num Lock key until 0.8 sec, then the 
Host’s Num Lock status will be changed. This function is designed 

for some special software, like Excel. Users can know the Num 
Lock status on the screen and don’t need to care the keypad’s Num 
Lock status. It makes the method of operation easily.   
Rechargeable and Extendable cable 
this addition cable can use for two ways. One is for rechargeable 
cable and the other is for extendable cable.   
For rechargeable: 1. Pull out the mini USB plug and the USB   
                  connector into two different directions as  
                  the graphic shows. And extend the cable to  
                  the desired length. 
                2. Plug the mini USB plug into the keypad  
                  and plug the USB connector to your  
                  Notebook. 
For extendable (Optional): 1. Pull out the mini USB plug and the   
                        USB connector into two different  
                        directions as the graphic shows. And  
                        extend the cable to the desired  
                        length. 
                2. Using the adapter to the Mini USB  
                        and plug the connector to your  
                        Notebook and receiver. 
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Specification of WKP-250 
Operating Force  55 ± 10g 
Weight 100g 
Total Travel  2.2 mm 
Operation Frequency  27 MHz/ 1 communication channel/ 1.5M 
distance 
Battery type  1 * AAA Nickel-Metal Hydride 
rechargeable battery 
Dimension: L x W x H  115 x 75 x 21.95 mm 
Receiver Connector  USB 
Working mode: 10mA max 
TX Suspend mode: <40 uA 
Working mode: 10mA max 
Power consumption 
RX Suspend mode: <500uA 
Switch Life  8 million cycles 
Keycaps type  Low profile 

5 
Battery Caution: 
1. Risk of explosion if battery is replaced by incorrect type. You 
must need to use the Nickel-Metal Hydride rechargeable 
battery. 
2. The battery may fail or explode when shorted, overcharged 
or charged with incorrect polarity. 
3. Do not dispose of in fire and prevent explosion. 
Technical support 
In an unlikely event that you encounter a problem with 
ORtek USB Keypad, please visit the web site 
www.ortek.com to contact our supporting group or E-mail 
to our technology support engineer 
information@ortek.com.tw. We will solve your problem as 
soon as possible. 
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FEDERAL COMMUNICATIONS COMMISSION STATEMENT 
Notice 1 
You are cautioned that changes or modifications not expressly approved 
by the part responsible for compliance could void the user’s authority to 
operate the equipment. 
Notice 2 
This equipment has been tested and found to comply with the limits for a 
Class B digital device, pursuant to part 15 of the FCC rules. These limits 
are designed to provide reasonable protection against harmful interference 
in a residential installation. This equipment generates uses and can radiate 
radio frequency energy and, if not installed and used in accordance with 
the instructions, may cause harmful interference to radio communications.