Wohler IQ 300, Руководство по эксплуатации

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Table des matières
42
6.2 Configuration of
trend display
Fig. 5: Trend display
The trend display shows the course of the meas-
ured value from the main display (default setting
CO
2
) over a defined period of time (default setting 2
hours). In a 2-hour trend display, each segment
represents an average value over 5 minutes.
Lower scale value (bottom) CO
2
: 400 ppm or mini-
mum average value if lower.
Upper scale value (o.s.) CO
2
: Upper limit value (see
chapter 10.2) or maximum value, if higher
•
You have the option of specifying the time
period over which the trend display extends:
2 hours, 1 day and 4 days
•
In the measurement display , press the Ξ -key
so that the time under the trend display flash-
es.
•
Press the ▲ -key to change the time period.
•
Press the ● key or the Ξ - key to confirm the
set time period.
•
You will then return to the measurement dis-
play.
7 Reset saved values When the Wöhler IQ 300 is restarted, all meas-
urement data is deleted from the internal memory
of the device, including the lower and upper scale
values of the trend display. Your personal set-
tings, however, are retained for a few minutes,
e.g. when changing rooms.