RKI Instruments 65-2615RK-05-04 - Manual (Page 33)

65-2615RK-05-04 M2 Transmitter Operator’s Manual 28
seconds before returning to Configuration Mode. Repeat steps 6 - 8 until the settings
are as desired.
9. After the M2 completes its warm-up sequence, the display will indicate CAL
NEEDED
. Since the gas type has been changed, a successful calibration must be
performed before the M2 can enter normal operation.
10. Press and release the UP/YES button to enter Calibration Mode. Normally, you must
hold the UP/YES button for 5 seconds to enter Calibration Mode, but since a
calibration is required, only a momentary push is needed to enter Calibration Mode
after changing the gas type.
11. See “Calibration” on page 33 for calibration instructions.
NOTE: When calibrating an M2 after changing the gas type, the M2 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.