CIRAS-3 Operation Manual V. 1.09  31  support@ppsystems.com 
 
Quick Start 
We highly recommend that you take a few moments to run this simple test to A) familiarize 
yourself with the basic CIRAS-3 set-up and operational functions and B) ensure that the system is 
performing perfectly before starting any measurement campaign.  The tutorial on the previous 
pages is also highly recommended before your first measurement campaign. 
1.  Insert a new CO
2
 cartridge, ensure all chemicals are fresh and connect the CIRAS-3 charger to 
the CIRAS-3 main console (this will help to preserve the battery).   
2.  Connect the PLC3 Leaf Cuvette gas and signal connectors to the CIRAS-3 main console, close 
the cuvette (with no leaf present) and press the CIRAS-3 On/Off switch to power up the system 
and then Continue (F1). 
3.  Allow system to warm up for approximately 30 minutes.  Press Settings (F2) and make sure that 
that your Settings File and Accessory displayed are correct (change if necessary).  Assuming that 
you are using the PLC3 Universal Leaf Cuvette and PLC3 Universal LED Light Unit, set up as 
follows and press Accept (F2): 
 
To best simulate sunlight we recommend the following RGBW Control settings: 
•  Red: 38% 
•  Green: 37% 
•  Blue: 25% 
•  White: 0% 
Give your system a couple of minutes to stabilize at the values that were set under Settings (F2).  Once 
stabilized, your display should look something similar to this.