CIRAS-3 Operation Manual V. 1.09  19  support@ppsystems.com 
 
 Step 1                Step 2                         Step 3 
     
 
Never stare directly at LEDs 
Power up the CIRAS-3 System 
Press the ON/OFF switch in the upper left hand corner on the back of the console.  A blue ring around the 
switch should illuminate.  After approximately 30 seconds the “Welcome screen” will appear on the LCD. 
 
Press Continue (F1) to start the CIRAS-3 software. 
System Warm up 
We recommend allowing the system to warm up for at least 15-30 minutes.  It normally takes the system 
approximately 10 minutes for the IRGAs to reach the required operating temperature of 55 
o
C and also 
during this period the system will perform several Zero and Diff Bal cycles to ensure that everything is 
working perfectly.  The system performs more frequent Zero and Diff Bal cycles during the first 30