QRAE II User Guide
Page 10
3 User Interface
The QRAE II’s user interface consists of the display, LEDs, an alarm transducer, and two keys,
labeled [MODE] and [Y/+]. The LCD display provides visual feedback that includes time, sensor
mode, battery condition, and datalog enable/disable status.
3.1
User Interface Icons
Icon
Indication
Battery Voltage low (flashing)
Battery Low alarm triggered
Battery fully charged
Battery charging
Alkaline Battery Adapter in use
Alkaline Battery cannot be charged
Pump
Pump blocked (blinks on and off)
Datalogging active (flashing)
Datalog memory full
[Y/+] key
[MODE] key
Gas outlets
Display
LEDs
Alarm
Pump
Gas Inlet
[Y/+] key
[MODE]
key
Gas inlets
Display
LEDs
Alarm
QRAE II Diffusion
QRAE II Pump
