Main Menu Level 1 Level 2 Function
1 MEASURE Measure & display
2 RESULTS 1 REPLAY Slow motion playback
2 STATISTICS Recorded data statistics
1 AFR_L Left AFR sensor
2 AFR_R Right AFR sensor
3 L-R Left minus Right AFR
4 AVG Average AFR
3 POINT Display one recorded point
(+: advance, -: back up)
3 SETUP 1 DISPLAY 1 SIZE LEFT One or four line display
2 SIZE RIGHT One or four line display
3 AFR UNITS AFR, φ, λ, or %Ο
2
4 RATE Slow/medium/fast update
2 RECORD 1 DURATION Sample duration
2 INTERVAL Sample interval
3 SENSORS Select AFR sensors to record
3 OUTPUTS 1 ANALOG Program output ranges
2 SIM EGO Program simulated EGO
AFR switch points
3 CAL D/A Calibrate analog outputs
4 OPTIONS 1 ICC Activate ICCs
2 SOUND Activate key beeping
3 DEFAULTS Sets all setup values
including sensor constants
to default values
5 CONSTS 1 SENSOR_L Calibration specifications for
left AFR sensor
2 SENSOR_R Calibration specifications for
right AFR sensor
3 FUEL & AIR H:C, O:C, and N:C ratios
of fuel and %O
2
of air
4 ICC_L ICC factors for left sensor
5 ICC_R ICC factors for right sensor
4 OFFSETS Set AFR measurement
offsets
5 AIR CAL Calibrate AFR measurement
functions in air
6 ENABLE Toggle AFR sensor power
on/off for sensor removal
Figure 3: Menu Tree for the AFRecorder
Stand-Alone Operation 13
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