Performing measurements
42
Use the cursor keys to set the lower and upper frequency limits.
The frequency range between these two limits is evaluated.
Note
The filter boundaries include a certain amount of flexibility, meaning that the
filtered noise may contain sounds that are outside the filter range but close to
the filter boundary.
When you tap this button, the HL 7000 sets a default filter that suppresses very
low and very high frequencies.
Tapping this button will reset the current frequency filter.
The
button applies the displayed filter and returns you to the long-term
measurement. The measurement curve is updated.
Changing the microphone gain
You can adjust the microphone gain during the measurement.
Tap on the button. The menu for the microphone gain opens. Select the desired level of
gain. The
button applies the new setting. The screen returns to the long-term
measurement function.
Changing the headphone volume
You can adjust the headphone volume during the measurement.
Tap on the button. The volume menu opens. Select the desired volume. The
button
applies the new setting. The screen returns to the long-term measurement function.
Save measurement
You can save the stopped or finished measurement in the HLE 7000 so that it will not
be lost when you return to the Start menu.
Tap on the button. A new screen opens. Enter a name for this measurement. Confirm
with the
button.
The measurement is now permanently stored in the HLE 7000 and can be recalled at
any time. The data can also be transferred to the computer and further processed.