RKI Instruments GX-2009 Manual - Manual (Page 34)

29 • Calibration Mode GX-2009 Operator’s Manual
Using Calibration Mode
WARNING: The GX-2009 is not in operation as a gas detector while in
Calibration Mode. Although it will respond to gas in parts
of AIR CAL, AUTO CAL, ONE CAL, and BUMP TEST, there
are no gas alarm indications.
1. Take the GX-2009 to a non-hazardous area and turn it off if it is on.
2. Press and hold the AIR button, then press and hold the POWER MODE
button. When you hear a beep release the buttons. The first menu item
in Calibration Mode displays, the DATE Screen.
3. Use the AIR button to move forward through Calibration Mode. When
you get to the last menu item, the START menu item, continuing will
take you back to the beginning of the menu.
4. When you arrive at the item you wish to enter, press and release the
POWER MODE button to enter that item.
5. When you need to adjust the numerical value of a parameter, increase it
or decrease it, use the AIR button to change the value. When adjusting
a numerical parameter value, it is possible to reverse the direction of
adjustment. To switch from increasing to decreasing a value or
decreasing to increasing a value, do the following:
• with the parameter flashing on the screen, press and hold the AIR
button
• immediately press the POWER MODE button and then release both
buttons
• the direction of adjustment when you press the AIR button is now
reversed
DATE