User Manual

65-2649RK-HC-04 M2A Tran smitter Op erator’s Manual 26
4. When the desired target gas is on the display, press and release the ENTER button.
The display will as k SAVE IT? YES/NO.
5. To discard the gas type ch ange, pr ess and r elease the DOWN/NO button. The display
will as k 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 wi thout changing the gas type.
To save the gas type, press and release the UP/YES button. The display will indicate
Gas Type Updated, the d isplay 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 Conf iguration Mode can be verified or changed.
6. While in Configurat ion Mode press and release the ENTER button to accept the
displayed paramete r setting and move to the next one. Us e the UP/YES and DOWN/
NO butto ns to a dju s t a s e tt ing . See “ C ha pte r 5: Co nfiguration Mode” o n pag e 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, displa y will ask SAVE IT? YES/NO.
8. To save the configuration settings, press and release the UP/YES button.The display
will indi cate Config Saved and the M2A will begi n 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 bef ore returning to Configuration M ode. Repeat steps 6 - 8 until the settings
are as desired.
9. After the M2A completes its warm-up seq uence, the d isplay will indicate CAL
NEEDED. Since the gas type has been changed, a successful calibration must be
performed before th e M2A can enter normal operation.
10. Press and re lea se the U P/ 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 mom e ntary push is needed to enter Cali bration 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