Performance Verification
4–42
AM700 Audio Measurement Set Service Manual
5. Check the Main Channel Level as indicated in Table 4–8.
Table 4–8: BNC output and main output test
Main channel level
BNC output
Min Max
0.03 0.013 0.052
0.10 0.072 0.132
0.50 0.412 0.592
1.00 0.837 1.17
2.00 1.69 2.32
1. Set DUT controls as follows:
Press Digital Audio soft key
Set Sample Rate = 48 kHz
Press Interface Timing soft key
Set Mode = From Audio
2. Check that Main Sample Freq is 47999.760 to 48000.240 Hz.
3. Set the DUT as follows:
Mode = Variable
Var Freq = 30 kHz
4. Check that eye diagram stabilizes.
5. Set the DUT as follows:
Var Freq = 52 kHz
6. Check the that eye diagram stabilizes.
1. Set the DUT as follows:
a. Press the Configure button, touch the Input Selection soft key, and select
the AES Gen.
b. Touch the Eye Diagram icon, press the Menu button, touch the Digital
Audio soft key, and make the following selection:
Sample Rate = 48 kHz
c. Touch the Interface Timing soft key and make the following selection:
Mode = From Audio
Check Clock Rate
Check Static Phase
Difference