OX-04 Operator’s Manual
Appendix A: Maintenance Mode
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Appendix A: Maintenance Mode
Overview
This appendix describes the OX-04 in Maintenance Mode. The OX-04 is factory-set to suit most
applications. Update settings in Maintenance Mode only if required for your specific application.
Maintenance Mode items and their factory settings are listed in Table 14 below.
Table 14: Maintenance Mode Menu Items
Maintenance Mode
Menu Item
Description
GAS CAL (page 82)
Perform an air adjust, perform a span adjustment, change the calibration values.
AIR
Perform a fresh air adjustment.
A-CAL or
E-CAL
depending on
E-CAL
User
Mode setting
Perform a span adjustment and set the calibration gas concentra
-
tion.
A-CAL (or
E-CAL)
Perform an automatic span adjustment.
START
Begin the warmup sequence and enter Measuring
Mode.
CAL-P
Set the calibration gas concentration.
ESCAPE
Return to the
A-CAL
item in the
GAS CAL
menu.
ESCAPE
Return to the
GAS CAL
item in Maintenance Mode.
GAS.TEST (page 82)
Apply gas to test sensor response and observe alarm indicators without an alarm
event being recorded.
SEN.DATE (page 83)
View and/or set the replacement date for the sensor and the batteries.
BUMP (page 84)
Perform a bump test.
LATCH (page 84)
ON
(factory setting): The OX-04 remains in alarm until the alarm condition passes
and
POWER MODE is pressed.
OFF
: The OX-04 automatically resets an alarm when the alarm condition passes.
D.ZERO (page 85)
ON
(factory setting): You can manually perform a fresh air adjust in Measuring
Mode by pressing AIR.
OFF
: You cannot manually perform a fresh air adjust in Measuring Mode by
pressing AIR.
A.ZERO (page 85)
ON
: The OX-04 asks if you want to perform a fresh air adjustment at the end of
the startup sequence.
OFF
(factory setting): The OX-04 does not ask if you want to perform a fresh air
adjustment at the end of the startup sequence.
