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LabJack U12 Quickstart Guide 

 

Revision 1.09 

9/8/2003 

 

LabJack Corporation 

www.labjack.com 

support@labjack.com

 

 
 

 

 
For the complete 

LabJack U12 User’s Guide

 or the latest version of the LabJack software, go to 

www.labjack.com

 
The LabJack U12 is a measurement and automation peripheral that enables the connection of a 
PC to the real world.  Although the LabJack U12 has many redundant protection mechanisms, it 
is possible, in the case of improper and/or unreasonable use, to damage the LabJack and even 
the PC to which it is connected.  LabJack Corporation will not be liable for any such damage. 
 
 

Installation 

The LabJack U12 requires a PC running Windows 98SE, ME, 2000, or XP.  To determine your 
operating system version, go to 
 

Start => Settings => Control Panel => System => General

 

 
and make sure the version number is 4.10.2222 or higher (Win98SE=4.10.2222, 
WinME=4.90.3000, Win2000=5.0.2195, WinXP=5.1.XXXX). 
 
It does not matter if the hardware or software is installed first. 
 
If you experience installation problems on Windows 98 Second Edition, before contacting us, 
please go to the downloads page at labjack.com and download “win98sehid.zip” (see the 
readme file for more information). 

Hardware Installation 

With the PC on and using the included cable, connect the LabJack U12 to the USB port on the 
PC or USB hub.  The USB cable provides power and communication for the LabJack U12.  The 
status LED should immediately blink 4 times (at about 4 Hz), and then stay off while the 
LabJack enumerates.   

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