1. When changing function, press either the up or down FUNCTION SELECT buttons to
cycle through the functions. All analysers have functions from Function 0 to
Function 10. The B Models also have functions 11 to 14. (See Calibration Functions
Section).
2. When the desired function is displayed, use the SET buttons to cycle through the
options.
3. After making the changes, the analyser will take a few second to return to the
normal display. You can speed this up by pressing both FUNCTION SELECT buttons.
Most used functions
Function 1.
Used to set the seven segment digital display to Lambda or air fuel ratio.
Options.
-LA- = Lambda
AF_P = Air fuel ratio Petrol (Gasoline).
AF_D = Air fuel ratio Diesel.
AF_G = Air fuel ratio LPG (Liquid Petroleum Gas).
AF_A = Air fuel ratio Alcohol (Methanol).
Function 7.
Use to test Analog output voltage. The three options are 0, 1 or 2.
These settings can be used to see if the software span and offset for the analog 02 input
are correct.
0 to 1 volt output
0 = 0 volts = 10:1 A/F ratio
1 = 0.5 volts = 20:1 A/F ratio
2 = 1 volts = 30:1 A/F ratio
0 to 5 volt output
0 = 0 volts = 10:1 A/F ratio
1 = 2.5 volts = 20:1 A/F ratio
2 = 5 volts = 30:1 A/F ratio
Function 9.
Use to Set analog output minimum output value. This can be used to reverse the
air fuel ratio in relation to output voltage. E.G:- from 0 to 5 volts = 10.0:1 to 30.0:1 to
5 to 0 volts = 30.0:1 to 10.0:1. Changes to 0 to 5 volt output are reflected in the 0 to 1
volt output.
Function 10.
Use to Set analog output maximum output value. This can be used to reverse the
air fuel ratio in relation to output voltage. E.G:- from 0 to 5 volts = 10.0:1
to 30.0:1 to 5 to 0 volts = 30.0:1 to 10.0:1. Changes to 0 to 5 volt output are reflected in
the 0 to 1 volt output.
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