OPERATION
2-2
2.2. Operation of Monitor
The functions of the three keys are summarized below.
Table 3. Key Functions
[MODE]
Hold for 1 second and release to turn ON; hold for
5 seconds to turn OFF; toggle to different displays.
Exit program menu tier; exit data entry mode when
held for 1 second
[N/-]
Answer “No” to a question; decrease a number;
toggle the backlight on & off.
[Y/+]
Answer “Yes” to a question; increase a number;
test alarm; alarm condition acknowledgment
The Q-RAE Plus monitor has two operation modes:
1. Basic mode
is the simplest mode of operation. The monitor
alternately displays the instantaneous concentration readings
and the sensor names after the monitor is turned on. The user
can press the
[MODE]
key to see critical data, battery voltage or
enter the PC communication mode. The displays in the main
loop of the Basic mode are shown in Figure 3.
Figure 3. Displays in Basic Mode
Sensor Names / Instantaneous Readings
Comm with PC?
Battery Voltage
[MODE]
[MODE]
[MODE]
Min. Values
Peak Values
STEL Values
TWA Values
[MODE]
[MODE]
[MODE]
[MODE]