Serinus 44 User Manual 3.0
flow path to the reaction cell or bypasses out the Exhaust Port.
On = Flow from C to NC (NOx flow path to Reaction Cell).
Off = Flow from C to NO (NOx flow path bypassed to Exhaust Port).
Indicates if the Nx Select valve on the Auxiliary Valve Manifold is Off
or On. This valve switches the sample either straight through the Nx
flow path to the reaction cell or bypasses out the Exhaust Port.
On = Flow from C to NC (Nx flow path to Reaction Cell).
Off = Flow from C to NO (Nx flow path bypassed to Exhaust Port).
Indicates if the Measure/Background valve on the Auxiliary Valve
Manifold is Off or On. This valve determines whether the sample is
pre-reacted with ozone before arriving at the reaction cell. This creates
no reaction in the reaction cell and enables a ‘Background’
measurement to be taken.
On = Flow from C to NC (NO flow path to Pre-Reaction).
Off = Flow from C to NO (NO, NOx and Nx flow path to Reaction Cell).
3.4.16 Tests Menu
Main Menu Service Menu Diagnostics Menu Tests Menu
Performs a screen test by drawing lines and images on the screen so
that the operator can determine if there are any faults in the screen.
Press a keypad key to step through the test.
The up and down arrow keys will adjust the contrast.
3.4.17 Digital Input Test Menu
Main Menu Service Menu Diagnostics Menu Tests Menu Digital Input Test Menu
Displays the status of the 0-7 digital input pins. Value will be 0 or 1.
3.4.18 Digital Output Test Menu
Main Menu Service Menu Diagnostics Menu Tests Menu Digital Output Test Menu
When started will automatically step through each output, turning it
On and Off.
Displays the state of the output pin (On or Off) and allows the user to
manually set the state.
Note: Entering either the Digital Inputs Menu will temporarily disable all digital and analog
input/outputs. This will affect logging via these outputs. Exiting the menu restores automatic control.
Note: Entering either the Digital Outputs Menu will temporarily disable all digital and analog
input/outputs. This will affect logging via these outputs. Exiting the menu restores automatic control.