Ortek Technology WKP290 Wireless Calculator Mobile Mini Keypad User Manual Introduction
Ortek Technology Inc Wireless Calculator Mobile Mini Keypad Introduction
User Manual

Wireless Calculator Mobile 
Mini Keypad 
WKP-290 
User’s Manual 
Version: 1.0 2005/05 
ID NO: PAK-GM8WKP290-00     
0 
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. 
Any changes or modifications not expressly approved 
by the party responsible for compliance could void the 
authority to operate equipment. 
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Introduction 
Congratulations on your purchase of the Wireless Calculator 
Mobile Mini Keypad.. It makes the calculation process more 
easily and more convenient.   
System Requirements 
 Microsoft® Windows® 98/Me/2000/XP and MAC OS X 
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 
MAC OS X 
1. Connect the keypad to your MAC. 
2. The MAC OS will install the driver automatically. No other 
steps are necessary. 
You are now ready to begin using your keypad 
Using the Wireless Calculator/Keypad 
Turning the keypad Off and On 
To turn on the keypad, press the CE/AC key, located directly 
above the number seven key. The keypad starts in keypad mode 
and displays “0”. 
The keypad will automatically go to sleep mode after two minutes 
of non-operation under calculator mode. You can press CE/AC 
key to wake up. Or you can press the CE/AC key two seconds 
under calculator mode to turn off it.   

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ID setting 
Plug the receiver into your notebook’s USB port and turn on the 
wireless keypad. The keypad and the mouse will connect with the 
receiver automatically. If not, press the ID button at the back of 
the keypad, then the ID setting is accomplished. Repeat the same 
step for the mouse ID setting. 
z Description of the function keys 
Key 
Functions  Definition 
M+  Adds the current display from the content of 
memory. 
M-  Subtracts the current display from the content of 
memory. 
MRC 
I. First push, as MR key, transfers the contents of 
the memory register into the display register. 
II. Second push, as MC key, clears the memory. 
TAB 
Calculator Mode: Specifies the number of 
decimal places for rounding. 
Keypad Mode: As the keyboard “Tab” 
function. 

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+/-  Switches the sign of the displayed value between 
positive (+) and negative (-). 
% 
I. Use this key in combination with arithmetic 
operator keys to perform percent. 
II. Setting TAX rate. 
MODE  Change mode between the calculator and the 
keypad status. 
SEND  Send the calculation result to PC when the device 
is in calculator mode or in keypad mode. 
+ 
= 
Num Lock ON: Input symbol “+”. 
Num Lock OFF: Input symbol “=”. 
Special Function: 
Normally, when users input numbers from a USB keypad, the 
notebook’s Num Lock function will be enabled as well. Users 
have to disable Num Lock function before inputting characters 
from a notebook. The enable and disable process will always 
showing every time when users input numbers from a keypad and 
it is cumbersome for all the users. If users want to solve this 
problem, they need to install driver. But our new keypad has no 
synchronized problem; users can use the keypad and inputting 

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characters from a notebook at the same time. Especially, it doesn’t 
need any drivers and support Plug & Play. Users just need to plug 
it into the USB port, and then users can use it smoothly. This new 
wireless keypad also can use under PC or MAC without any 
driver. It can detect the PC or MAC system automatically, no 
other steps needed. 
About the Display 
The display shows the number you input, calculation results, and 
various indicators showing the status of the calculator. 
-MINUS  Negative value indicator 
MEMORY  Independent memory indicator 
ERROR Error indicator 
‘  3-digit separator (apostrophe) 
CALC  Indicate you are in calculator status 
KEYPAD  Indicate you are in keypad status 
GT Grant total 
Rounding Selector & Decimal Place Selector 
¾ Use Tab key to rounding Selector 
Specified the rounding system 
F  Floating decimal point system, which displays the 
value without rounding. 

0,2,4  Number of decimal places for the 5/4 setting of the 
Rounding Selector. 
A 
The “Add Mode” automatically adds a decimal point 
and two decimal places to all values, even if you 
don’t input a decimal point. This mode is very useful 
when performing calculations in dollars or other 
monetary systems that require two decimal places. 
Two decimal places are not added in this mode if you 
press the DEL key while inputting a value, or for any 
operation other than addition and subtraction. 
The USB extendable cable 
If your wireless keypad cannot work normally, you can use the 
USB extendable cable to avoid the RF interference. 
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Specification of WKP-290 
Operation Force  60±15gm 
Weight 130gm 
Total Travel  2.0 mm 
Operation Frequency  27 MHz/ 1 communication channel/ 1M 
distance 
Battery type  1 * AAA alkaline battery   
Dimension: L×W×H 135*60*30mm 
Receiver Connector    USB 
Working mode: 10mA max 
TX Suspend mode: <100 uA 
Working mode: 16mA max 
Power consumption 
RX Suspend mode: <500uA 
Switch Life  3 million cycles 
Keycaps type  Low profile 
Agency Approvals  FCC, CE 
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Troubleshooting 
When you turn on the keypad, if the keypad’s LCD shows 
abnormal or nothing, check your battery first. If the battery is 
working fine, try to find an acicular metal and plug into the reset 
hole (at the back of the keypad). Then the keypad will work 
normally. If the problem was still unsolved, please contact the 
technical support. 
Battery LED Status 
Battery Low:  LED flash (0.4 sec ON, 0.4 sec OFF)