User Manual
RedLab 1208LS User's Guide  Installing the RedLab 1208LS 
12 
Caution!  Do not disconnect any device from the USB bus while the computer is communicating with the 
RedLab 1208LS, or you may lose data and/or your ability to communicate with the RedLab 1208LS. 
If the LED turns off 
If the LED is illuminated but then turns off, the computer has lost communication with the RedLab 1208LS. To 
restore communication, disconnect the USB cable from the computer, and then reconnect it. This should restore 
communication, and the LED should turn back on. 










