Tektronix WFM6120 Technical Reference

Audio Performance Verification Procedures
Additional Te
sts for Instruments Equipped with Options AD and DDE
Analog Audio Level Meter
Accuracy Over Frequency
This test measures the Analog Input Level Meter Accuracy over the audio
frequency range.
Performance Requirement. This test verifies performance ch aracteristics and is
listed in the test record.
1. Set the waveform monitor to the factory presets. (See page 60, Restore the
Factory Presets.) Press the Display Select 4 button.
2. Press the FULL button to make the audio tile the full screen display.
3. Select the Analog A input:
a. Press and hold the AUDIO button, select Audio Input, and then select
Analog A.
b. Press the AUDIO button to close the menu.
4. Install the audio breakout cable to the Analog Audio I/O connector.
5. Conne
ct the generator balanced (BAL) analog output to the Input A1 XLR
connector of the breakout cable.
6. Set t
he audio generator as follows:
Control or S etting Value
Channel
2=1
Frequency 100 Hz
Output Level
18 d
Bu audio tone
Output Impedance 10 Ω
7. Check for an indication of 18 dBu ±0.5dB in the corresponding bar and record
the value in the test record.
8. Change analog audio generator Frequency to 1 kHz.
9. Check for an indication of 18 dBu ±0.5dB in the corresponding bar and record
the value in the test record.
10. Change analog audio generator Frequency to 19 kHz.
11. Check for an indication of 18 dBu ±0.5dB in the corresponding bar, and
record the value in the test record.
12. Repeat steps 6 through 11 for each of the other five Input A XLR connectors
in the breakout cable.
Waveform Monitors Specifications and P erformance Verification 129

Tektronix WFM6120 Specifications

General

Brand	Tektronix
Model	WFM6120
Category	Monitor
Language	English