Tektronix WVR6020 - Page 130

Audio Performance Verification
1. Press FACTORY.
2. Set the digital audio generator as follows:
Control or Setting Value
Sample Frequency
48 kHz
Output Level –6 dB FS Audio Tone
Frequency 100 Hz
3. Press and hold the DISPLAY SELECT 4 button to display the Audio pop-up
menu.
4. In the Audio Input submenu, select AES A.
5. Press the Display Select 4 button t o dismiss the Audio menu.
6. Connect
the digital audio generator unbalanced (UNBAL) output to the AES
A 1-2 In connector using a 75 Ω cable.
7. Check f
or an indication of –6 dB FS 0.2 dB in the corresponding bars and
record the Pass/fail result in the test record.
8. Move t
he audio generator output to each of the remaining AES A In
connectors and repeat step 7 for each connector.
9. Set t
he digital audio generator as follows:
Control or Setting Value
Sample Frequency
48 kHz
Output Level –6 dB FS Audio Tone
Frequency 1 kHz
10. Repeat steps 6 through 8.
11. Set the digital audio generator as follows:
C
ontrol or Setting
V
alue
Frequency 19 kHz
Output Level –6 dB FS Audio Tone
Sample Frequency
48 kHz
12. Repeat steps 6 through 8.
13. Disconnect the test setup.
116 Waveform Rasterizers Specifi cations and Performance Verification