GX-3R Pro Operator’s Manual Appendix B: Maintenance Mode • 178
Setting Alarms to Latching or Self-Resetting
(LATCHING)
ON (factory setting): The GX-3R Pro remains in alarm until the alarm condition passes and
POWER MODE is pressed.
OFF: The GX-3R Pro automatically resets an alarm when the alarm condition passes.
1. While in Maintenance Mode, use AIR to place the cursor next 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 Maintenance Mode.
5. See “Exiting Maintenance Mode (START MEASURE)” on page 189 to return to Measuring
Mode.
Turning Demand Zero On/Off (DEMAND 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, use AIR to place the cursor next to DEMAND 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 Maintenance Mode.
MAINTE 7:49
BUMP TEST
LATCHING
DEMAND ZERO
MAINTENANCE
MAINTE 7:49
LATCHING
DEMAND ZERO
AUTO ZERO
MAINTENANCE
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