90 • Appendix A: Maintenance Mode GX-3R Operator’s Manual
Appendix A: Maintenance Mode
Overview
This appendix describes the GX-3R in Maintenance Mode. The GX-3R 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 12 below.
Table 12: Maintenance Mode Menu Items
Maintenance
Mode
Menu Item
Description
GAS CAL (pg.93) Perform an air adjust, perform a span adjustment, change the calibration values, set the
cylinder group.
AIR CAL Perform a fresh air adjustment.
AUTO CAL Perform a span adjustment, set the calibration gas concentration, and set
the cylinder for each gas.
AUTO CAL
CYL X
Perform an automatic span adjustment on the gases
selected for Cylinder X (A-E cylinders available).
START Begin the warmup sequence and enter Measuring Mode.
CAL-P Set the calibration concentration for each gas.
CYL SEL Assign a cylinder (A-E) to each gas (all 4 gases set to
Cylinder A is the default). For single cal operation, you
would assign each gas its own cylinder.
ESCAPE Return to the AUTO CAL menu item.
ESCAPE Return to the GAS CAL menu item.
GAS TEST
(pg.93)
Apply gas to test sensor response and observe alarm indications without an alarm event
being recorded.
SEN DATE
(pg.95)
View the replacement date for each sensor and the battery and/or set the replacement date
for each sensor or the battery to the current date.
BUMP (pg.96) Perform a bump test.
BUMP
CYL X
Perform a bump test on the gases selected for Cylinder X
(A-E cylinders available)
START Begin the warmup sequence and enter Measuring Mode.
ESCAPE Return to the BUMP menu item.
LATCHING
(pg.97)
ON
(factory setting): The GX-3R remains in alarm until the alarm condition passes and
POWER MODE is pressed.
OFF
: The GX-3R automatically resets an alarm when the alarm condition passes.
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