Audio 
Analyzer 
1-17 
Audio 
Frequency 
50 
Hz 
to 
40 
kHz 
2. 
Key in 
30.0 
SPCL. 
The instrument 
will 
display the rms voltage level 
of 
the input signal. (Press the 
Blue 
Shift 
key and the voltage unit 
keys 
pV 
(4), 
mV 
(5), 
or 
Volts 
(6) 
to select the desired voltage units.) 
measurement mode. 
3. 
Press 
any 
measurement function key to exit the 
Audio 
Level 
Input Voltage 
100 
mV 
to 
3V 
Learn 
More... 
Chapter 
3 
in this guide provides additional information about the 
HP 
8901B 
Audio measurement capabilities. Refer to 
Chapter 
3 
when you want to know 
more about: 
0 
Extending Operation 
- 
The special operating capabilities that enable 
you to adapt the Audio measurements to the specific conditions of  your 
input signal. 
making Audio measurements. 
0 
Help - 
Solutions to setup and operating problems encountered when 
Refer to 
Chapter 
5 
for examples 
of 
Audio measurement applications.