GX-6000 Operator’s Manual Entering Calibration Mode • 70
Entering Calibration Mode
To enter Calibration Mode, do the following:
1 . Find a fresh-air environment. This is an environment free of toxic or
combustible gases and of normal oxygen content (20.9%).
2 . While in Measuring Mode, press and hold the SHIFT ▼ (PANIC) button,
then press the DISP/LOCK button and release both buttons.
3 . If the unit prompts you for the password, enter it by using the ▲AIR and
SHIFT ▼ (PANIC) buttons to select each password number and then
pressing and releasing POWER/ENTER to enter the number and move
on to the next one.
NOTE: You will only be prompted to enter a password if the PASSWORD
menu item in User Mode is set to ON. See “Turning the Password
Function On or Off” on page 102 for instructions to update the
PASSWORD setting and to choose a password.
4 . The Calibration Mode Screen displays with the cursor next to AIR CAL.
NOTE: The following screens illustrate a five-gas GX-6000 for detection of
CH
4
(%LEL using catalytic sensor), oxygen, H
2
S, CO, and VOCs
(PID sensor). Your GX-6000 may display slightly different screens.
CAL
CAL MODE
AIR CAL
AUTO CAL
SINGLE CAL
NORMAL MODE
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