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Performance Verification
AM700 Audio Measurement Set Service Manual
4–53
Check Digital Interface Tester (DIT) Functionality
1. Reset the AM700 setting to Factory Default as follows:
a. Press the Configure button.
b. Touch the State Saving soft key, and then touch Factory Defaults.
2. Press Configure button.
a. Press the Input Selection soft key.
b. Press the source “toggle” icon soft key to select AES Gen for DigMain
SF1 and SF2.
c. Press Clear Menu button.
3. Press MENU button.
a. Press Digital Main Inputs soft key to select DigMain SF1 &SF2
acquisition inputs.
b. Press Clear Menu button.
4. Press ON button in the Generator control panel.
a. Press the Rescale button.
b. Check to see that the FFT shows a sine wave being generated.
5. Press the Digital Application button.
a. When the Digital Application starts, check to see that the bit activity
display is active on bits 4 through 27 and 30 through 31.
b. Touch the 1/0 icon soft key.
c. Check to see that the Channel Status Data is displayed.
d. Press the eye height icon soft key.
e. Check to see that the eye height diagram is displayed on the screen.
f. Press jitter spectrum icon soft key.
g. Check to see that the jitter spectrum is displayed.
h. Press the Menu button.
i. Touch the Jitter Generation soft key.
j. Touch the Generate Sine soft key.
k. Touch the Eye/Jitter Detection soft key.