Manual

68
FFT Analysis + Tolerance
10
Readout Frequency
You may select any frequency to read out individual levels.
The selected frequency is indicated by the cursor arrow.
Choose between the following settings:
The cursor follows automatically the highest level,
e.g. tracing feedback frequencies at live sound.
Select the frequency with the rotary wheel •
.
Press enter •
.
You may readout any individual frequency.•
Return to auto frequency with enter •
.
The cursor returns to the frequency with high-
est level bar.
The cursor read out may be set manually to any fre-
quency. The read out remains at the selected fre-
quency.
Select the frequency with the rotary wheel •
.
Press enter •
.
Select the frequency of interest.•
Confirm with enter •
.
The cursor readout
2
displays the measure-
ment results of the selected frequency band.
11
Zoom Mode
(optional, applicable with the Extended Acoustic Pack or
the Spectral Limits Option)
Select the readout frequency •
10
and press enter
.
The zoom mode is displayed above the flashing arrow.•
Select the zoom-in frequency with the rotary wheel •
.
Press limit •
and zoom the linear frequency scale in or
out with the rotary wheel
.
Release limit •
and scroll the linear frequency scale left
or right with the rotary wheel
.
12
Phantom Power Supply
48V T
he XL2 provides 48 V phantom power supply
to the connection microphone or sensor.
ASD An NTi Audio measurement microphone with
automated sensor detection ASD is connect-
ed. The XL2 reads the electronic data sheet of
the microphone and switches the 48V phan-
tom power automatically on
48V Phantom power is switched off.