Tektronix WFM7020 - Page 147

Audio Performance Verification Procedures
1. Set the wavefor
m monitor to the factory presets. (See page 60, Restore the
Factory Presets.) If the audio tile is not selected, press the Display Select
4 button.
2. Set the generator to Digital.
3. Set the Audio O utput Attenuation to 0 dB:
a. Press and hold the AUDIO button.
b. Select Analog Out Atten.
c. Press the right arrow button to select the attenuation setting.
d. Use the GENERAL knob to set the attenuation to 0dB.
e. Press the AUDIO button to close the menu.
4. Map Bar 1,2 to all Analog Audio Outputs:
a. Press the CONFIG button.
b. Select Audio Inputs/Outputs.
c. Select AES A, Analog Output Map, and then press the SEL button.
d. Use the arrow keys to navigate to the Analog 1,2; Analog 3,4; Analog
5,6;andAnalog 7,8 boxes across from Bars 1,2.
e. Press the SEL key to place a check mark in those b oxes.
f. When finished, navigate to the Return box and press the SEL button
to exit the mapping menu.
5. Set the audio Input to AES A:
a. Press and hold the AUDIO button, select Audio Input, and then select
AES A.
b. Press the AUDIO button to close the menu.
6. Install the audio breakout cable on the Analog Audio I/O connector.
7. Set the analog audio analyzer to measure RMS level in dBu, and for an input
impedance of 200 kΩ . This is done on the Rohde & Schwarz UPL06 as
follows:
a. Press ANLR to display and confi
gure the ANALYZER panel.
b. Set the parameters in the ANALYZER panel as follows:
Control or Setting
Value
INSTRUMENT ANLG 22 kHz
MinFreq 10Hz
Ref Imped
100000 W
Channel
1
Waveform Monitors Specifications and P erformance Verification 131