RKI Instruments GX-2009 Manual - Manual (Page 38)

33 • Calibration Mode GX-2009 Operator’s Manual
the AIR button.
• When the desired channel is displayed, press and release the
POWER MODE button to select the channel for a calibration gas
value update. In the example below, the combustible channel has
been selected and the current calibration gas value is 50 %LEL.
• Use the AIR button to adjust the calibration gas value to the desired
value.
• If you want to turn the AUTO CAL function for the selected channel
off so that a span adjustment will not be performed on this channel,
set the calibration gas value to OFF by adjusting the reading down
from the lowest value or up from the highest value.
• Press and release the POWER MODE button to accept the
displayed value. The previous screen will return.
• Repeat the steps above for any other channels that require
calibration gas value updates.
• When you are done updating calibration gas values, use the AIR
button to scroll to the following screen.
• Press and release the POWER MODE button to return to the screen
that displays the calibration gas values.
50
AUTO CAL
CH4 %LEL
OFF
AUTO CAL
CH4 %LEL
- - -
AUTO CAL
CH4 %LEL
ESCAPE
50 12.0
AUTO CAL
CO ppm H2S ppm
CH4 %LEL OXY vol%
50 25.0