GX-3R Operator’s Manual Appendix A: Maintenance Mode • 97
Setting Alarms to Latching or Self-Resetting (LATCHING)
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.
1 . While in Maintenance Mode, press AIR to scroll to LATCHING.
2 . Press and release POWER MODE. The current setting flashes.
3 . Use AIR to display the desired setting.
4 . Press and release POWER MODE to save the setting and return to the LATCHING
menu item.
5 . See “Entering Measuring Mode (START)” on page 102 to enter Measuring Mode.
Turning the Demand Zero Function On/Off (DEM ZERO)
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.
1 . While in Maintenance Mode, press AIR to scroll to DEM ZERO.
2 . Press and release POWER MODE. The current setting flashes.
3 . Use AIR to display the desired setting.
4 . Press and release POWER MODE to save the setting and return to the DEM ZERO
menu item.
5 . See “Entering Measuring Mode (START)” on page 102 to enter Measuring Mode.