GX-6000 Operator’s Manual
Appendix A: Maintenance Mode • 149
Updating the Lunch Break Setting (LUNCH BREAK)
With
LUNCH BREAK
set to
OFF
(factory setting), the GX-6000 automatically starts
new TWA and PEAK reading collection and resets the time in operation at startup.
With
LUNCH BREAK
set to
ON
, the Lunch Break Screen displays during startup. From
this screen, you can choose to continue accumulating TWA and PEAK readings and the
time in operation from the last time the GX-6000 was used or start collecting new readings
and reset the time in operation.
1 . From the main menu, place the cursor next to
LUNCH BREAK.
2 . Press and release POWER/ENTER. The Lunch Break Screen appears.
3 . Use
▲
AIR or SHIFT
▼
(PANIC) to display the desired setting.
4 . Press and release POWER/ENTER to save the setting and return to the main menu.
Updating the Auto Zero Setting (AUTO ZERO)
This setting allows you to configure the GX-6000 so that a fresh air adjustment takes place
automatically as part of the instrument startup sequence. If
AUTO ZERO
is set to
ON
,
the GX-6000 performs a fresh air adjustment at the end of the startup sequence before
entering Measuring Mode. The factory setting is
OFF
.
WARNING:
If the automatic fresh air feature is turned on, you must startup the GX-
6000 in a known fresh air environment, an environment free of toxic or
combustible gases and of normal oxygen content (20.9%). If this
feature is on and the GX-6000 is started up in the presence of a target
gas, the readings and alarms will not be accurate or reliable.
1 . From the main menu, place the cursor next to
AUTO ZERO
.
2 . Press and release POWER/ENTER. The Fresh Air Adjust Screen appears.
3 . Use
▲
AIR or SHIFT
▼
(PANIC) to display the desired setting.
4 . Press and release POWER/ENTER to save the setting and return to the main menu.
Updating the Demand Zero Setting (DEMAND ZERO)
With
DEMAND ZERO
set to
ON
(factory setting), you can manually perform a fresh air
adjust in Measuring Mode by pressing the
▲
AIR button.
With
DEMAND ZERO
set to
OFF
, you cannot manually perform a fresh air adjust in
Measuring Mode.
1 . From the main menu, place the cursor next to
DEMAND ZERO
.
2 . Press and release POWER/ENTER. The Demand Zero Screen appears.
3 . Use
▲
AIR or SHIFT
▼
(PANIC) to display the desired setting.
4 . Press and release POWER/ENTER to save the setting and return to the main menu.