96 • Appendix A: Maintenance Mode GX-3R Operator’s Manual
3 . Use AIR to scroll to the item whose replacement date you want to view or change.
4 . To change the replacement date:
a. With the desired item displayed, press and release POWER MODE.
b. Press and release POWER MODE again to set the replacement date to the current
date.
5 . Use the AIR button to scroll to the ESCAPE menu item.
6 . Press and release POWER MODE to return to the SEN DATE menu item in
Maintenance Mode.
7 . See “Entering Measuring Mode (START)” on page 102 to enter Measuring Mode.
Performing a Bump Test (BUMP)
See “Performing a Bump Test (BUMP)” on page 46 for a description of the BUMP menu
item.
CH4
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O2
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ESCAPE
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AIR
AIR
AIR
AIR
AIR
AIR
H2S
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CO
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BATTERY
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