Diagnostics 
 
CIRAS-2 Operator's Manual Version 2.04 
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Apply Analyser Flow Control 
Click after changing analyzer flow setting to establish new flow. 
Cuvette Air Supply 
Forwarding Flow [A/D] / Cuvette Flow [A/D] 
These are the outputs of the respective flowmeters.  The forwarding flow should be about 100 greater 
than the cuvette flow. Used for testing the cuvette air supply. 
 
Flow (mls/min) 
Click on this so that a new value can be entered. 
 
Flow Requested  
Flow Rate that CIRAS-2 has been set to. 
 
Flow Measured 
Flow rate that is being delivered. 
 
Control Setting 
The current setting for the cuvette air supply pump driver.  Typically it is a maximum of 113 at 470 
mls/minute. 
 
Auto Cuvette 
Light Control 
Uncorrected PAR is the reading of the PAR sensor.  By entering new values for Lamp1 (central lamp in a 
PLC6(U)) and Lamp2 (lateral lamps) the intensity can be altered.  Used for testing the PAR sensor and 
light units.