Optek WKP-250 User manual

Wireless Mobile Mini Keypad
User’s Manual
Version: 1.0 2003/05
ID NO: PAK-131W2501-00
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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 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 intotwodifferentdirectionsas
thegraphicshows.Andextendthecableto
thedesiredlength.
2.PlugtheminiUSBplugintothekeypad
andplugtheUSBconnectortoyour
Notebook.
For extendable(Optional): 1. Pull out the mini USB plug and the
USBconnectorintotwodifferent
directionsasthegraphicshows.And
extendthecabletothedesired
length.
2.UsingtheadaptertotheMiniUSB
andplugtheconnectortoyour
Notebook and receiver.
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Specification of WKP-250
Operation Force 50±15gm
Weight 100gm
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×W×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

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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
[email protected]. We will solve your problem as
soon as possible.
Battery Low Status
Plug the rechargeable cable to the notebook to electrify the
keypad when the keypad RF distance is shortened. To
charge the battery electric power to full, 3 hours is
sufficient.