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65-2658RK-CH4-4 M2A Transmitter Operator’s Manual
11. See “Calibration” on page 36 for calibration instructions.
NOTE:
When calibrating an M2A after changing the gas type, the M2A will not ask if you want to calibrate,
or whether you want to perform a fresh air adjustment, span adjustment or zero adjustment. Since a
complete calibration is required, the calibration sequence will proceed without asking if you want to
perform certain operations.
