Filter
Top Products
Adjustment Procedures
5–30
AM700 Audio Measurement Set Service Manual
1. Connect the AES Unbalanced Out signal to Ch 1 input of the test oscillo-
scope through a 75 W BNC coaxial cable and a 75 W BNC termination.
2. Set the oscilloscope for 0.2 V/div to view a 1 V p-p square wave signal and
auto trigger on the input signal.
3. Adjust R483, Generator Level, for a 1 V p-p square wave (5 div ±0.25 div).
4. Disconnect the test equipment from the AM700.
This completes the internal adjustment procedure of the AM700. Reinstall all
boards and install the cabinet.
User Calibration
After the AM700 is completely assembled, do the following user calibration
steps.
1. Power on the AM700, if it is not already on, and run the FFT application
(the default startup application).
2. After the AM700 has booted and the FFT application is running, press the
OTHER front panel button, in the applications selection.
3. Using the large knob on front panel, highlight PanelCal Touch Panel
Calibration.
4. To start application, press the Enter key pad button, and follow the instruc-
tions on the AM700 monitor.
5. After you finish the touch screen calibration procedure, the screen displays
the paint screen. You can touch the screen at various points and the screen
will highlight where touched. You can use this screen to check any suspected
inoperative locations on the touch screen.
6. When the calibration has been completed, select the FFT application by
pressing the FFT application front panel button.
1. If the AM700 is on and warmed up you may do this procedure now;
otherwise turn on the AM700 and permit it to warm-up for 15 to 20 minutes.
2. Select either FFT or Audio Analyzer to do the analog calibration.
3. Press the Configure front panel button after the application is loaded.
4. Touch the System Setup soft key and select Calibrate.
5. Touch the Calibrate Now soft key.
Adjusting the Digital
Generator Level
Calibrate the Touch
Screen
Analog Calibration