NTi Audio XL2 Sound Level Meter - Manual (Page 87)

87
Polarity
Detailed Result Page
6
5
10
9
7
8
Polarity result for Minirator
connected directly to XL2 Analyzer
1 Input Selection
Select the signal source as follows:
Select • Signal Source with the rotary wheel .
Press enter • to select either
Voice
Note
Mic Use the internal voice note microphone of the
XL2 for polarity measurements. This selection
disables the rear speaker.
XLR
Input Measure the acoustic polarity with a measure-
ment microphone. Alternatively, measure the
polarity of an electrical signal connected with
an XLR audio cable.
RCA
Input Measure the polarity of an electrical signal con-
nected with an RCA audio cable.
2 Polarity Test Result
Displays either POSITIVE, NEGATIVE or ??? (=undefined).
For further visual indication, the limit button illuminates
green for POSITIVE and red for NEGATIVE polarity.
3 Level RMS
Measures the absolute level of the input signal. The unit’s
dBu, dBV and V are selectable.