RKI Instruments 65-2649RK-HC-04 - Manual (Page 31)

65-2649RK-HC-04 M2A Transmitter Operator’s Manual 26
4. When the desired target gas is on the display, press and release the ENTER button.
The display will ask SAVE IT? YES/NO.
5. To discard the gas type change, press and release the DOWN/NO button. The display
will ask DO OVER? YES/NO. Press the DOWN/NO button. The display will ask
ABORT? YES/NO
. Press the UP/YES button. The M2A will return to normal
operation without changing the gas type.
To save the gas type, press and release the UP/YES button. The display will indicate
Gas Type Updated
, the display will indicate the target gas and the detection range for
a few seconds, and then the M2A will enter Configuration Mode automatically so that
the parameter settings in Configuration Mode can be verified or changed.
6. While in Configuration Mode press and release the ENTER button to accept the
displayed parameter setting and move to the next one. Use the UP/YES and DOWN/
NO buttons to adjust a setting. See “Chapter 5: Configuration Mode” on page 22 for a
complete description of Configuration Mode.
7. When you have reviewed and accepted the last item in Configuration Mode by
pressing the ENTER button, display will ask SAVE IT? YES/NO.
8. To save the configuration settings, press and release the UP/YES button.The display
will indicate Config Saved and the M2A will begin its warm-up sequence.
To discard the settings and review them again, press the DOWN/NO button. The
display will ask DO OVER? YES/NO. Press the UP/YES button and the display will
indicate Re-do Config, then display the target gas and the detection range for a few
seconds before returning to Configuration Mode. Repeat steps 6 - 8 until the settings
are as desired.
9. After the M2A 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 M2A 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 32 for calibration instructions.
METHANE 0 - 100% LEL
CO2 0 - 5,000 ppm
CO2 0 - 2,000 ppm
CO2 0 - 100% volume
CO2 0 - 50.0% volume
CO2 0 - 5.00% volume
NH3 0 - 5.00% volume
NH3 0 - 2.00% volume
Table 6: Gas Types
Gas Type
Choices
Detection Range