
22
Hand-held Analyzer Types 2250 and 2270 – User Manual
Fig.3.2
Changing the project
template
2) Tap Measurement Mode in the View Area and set to Manual (Fig.3.3).
Note: The bar graph showing the sound pressure level L
AF
is now live, but parameters
such as L
Aeq
are not. This is because L
AF
is an instantaneous value, always available for
display, whereas L
Aeq
is a measured value that needs to be averaged over a period of time.
Therefore, it cannot be displayed before you have started a measurement using the
Start/Pause pushbutton .
Fig.3.3
Setting the measurement
mode
3) Press the Start/Pause pushbutton to start the measurement.
Note: Start briefly appears on the screen as feedback when you press the Start/Pause
pushbutton.
Notice the Running icon on the screen and monitor the red, yellow, green status
indicators around the Start/Pause pushbutton while you are measuring.
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