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11-0122B
1
LM-2
Digital Air/Fuel Ratio Meter
User Manual
This manual assumes that firmware version 1.18 or later is installed.
Warning!
It is extremely important to avoid hot-plugging sensor connections. Do
not connect or disconnect the sensor connectors while the unit is
powered ON.
The Oxygen Sensor used in this device gets very hot in operation.
Do not touch the hot sensor. Do not let a hot sensor touch a
combustible surface. Do not use the sensor with or near flammable
liquids or gases. Failure to heed these warnings may result in severe
burns, explosions or fires.
When installed in the exhaust, the oxygen sensor MUST be connected
and operating with the LM-2 whenever the car is running. An un-
powered oxygen sensor will be quickly damaged when exposed to hot
exhaust gases.
