Click <delay> to enable the frequency measurement.

Click <go> or press the Enter key to start the actual measurement.

Click <go> again or press the ESC key to interrupt or cancel the measurement.

Figure 95: delay time

Prior to the start of the actual measurement, a prompt for further options will be displayed (Figure 95).

1. Select the input sound pressure level and the type of signal to be used (CHIRP or burst) for the measurement.
2. Click <Start measurement> to start the measurement.
3. The measurement results will appear on the screen when completed.
4. Click <go> again or press the ESC key to interrupt or cancel the measurement.

Note:

The burst measurement lasts up to one minute.

The CHIRP measurement lasts only a few seconds.