90 • Chapter 4: Calibration Mode
GX-6000 Operator’s Manual
12 . When
AUTO CAL
in the
BUMP PARAMETERS
menu item in Maintenance
Mode is set to
ON
:
If all channels pass the bump test:
a. The results screen appears. You can scroll between the bump test results and the
bump test gas readings with the
▲
AIR and SHIFT
▼
(PANIC) buttons.
b. To return to the Gas Select Screen, press and release the POWER/ENTER button.
c. Disconnect the tubing from the probe.
If any channel fails the bump test:
a. The instrument will beep and a calibration is immediately and automatically
started. Continue to apply the calibration gas. CAL will appear at the top of the
screen along with a countdown.
The calibration time counted down during a calibration initiated because of a
failed bump test is the difference between the gas time and the calibration time
defined in the
BUMP SETTING
menu item in Maintenance Mode.
BUMP
CH4 OK
O2 OK
H2S OK
CO OK
BUMP
CH4 O2
%LEL %
H2S CO
ppm ppm
50 12.0
25.0 50
▲
AIR or
SHIFT
▼
(PANIC)
60CAL
CH4 O2
%LEL %
H2S CO
ppm ppm
49 19.0
23.0 32