153 • Using Maintenance Mode GX-6000 Operator’s Manual
3 . Use ▲AIR or SHIFT ▼ (PANIC) to display the desired setting.
4 . Press and release POWER/ENTER to save the setting. The value will
stop flashing.
Updating the CHECK Setting
The CHECK is the bump test tolerance value and is represented as a
percentage. It is the percentage that the bump test reading can differ from the
actual gas concentration. If the bump test reading differs more, the bump test
will fail. The available values are 10%, 20% 30% (factory setting), 40%, and
50%.
1 . From the BUMP PARAMETERS screen, place the cursor next to
CHECK.
2 . Press and release POWER/ENTER. The current Check value will begin
to flash.
3 . Use ▲AIR or SHIFT ▼ (PANIC) to display the desired setting.
4 . Press and release POWER/ENTER to save the setting. The value will
stop flashing.
Updating the CAL TIME Setting
The CAL TIME is the total time the instrument is exposed to calibration gas
when a bump test fails if AUTO CAL is set to ON. The bump test time is
deducted from the calibration time. For example, if the CAL TIME is set to
90 seconds and the GAS TIME is set to 30 seconds, if the bump test fails, the
GX-6000 will only be exposed to gas for an additional 60 seconds. The
available values are 90 seconds (factory setting), and 120 seconds.
1 . From the BUMP PARAMETERS screen, place the cursor next to CAL
TIME.
2 . Press and release POWER/ENTER. The current Cal Time value will
begin to flash.
3 . Use ▲AIR or SHIFT ▼ (PANIC) to display the desired setting.
4 . Press and release POWER/ENTER to save the setting. The value will
stop flashing.
Updating the AUTO CAL Setting
With AUTO CAL set to ON (factory setting), if a bump test fails, the unit
will automatically begin a calibration. If AUTO CAL is set to OFF and a
bump test fails, nothing will happen.
1 . From the BUMP PARAMETERS screen, place the cursor next to
AUTO CAL.
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