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Performance Verification
4Ć6
MTG100 & MTG300 MPEG Generator Service Manual
Oscilloscope (TDS784D)
MPEG generator rear panel
75 W BNC cable
75 W to 50 W
minimum loss attenuator
Figure 4Ć3: Initial equipment connection for verifying the ASI output
5. Verify that the following LEDs on the MPEG generator’s front panel are
illuminated: PLL, BUFFER, and HDD.
6. Use the oscilloscope to measure that the signal amplitude is within the range
of 720 mV to 880 mV.
7. Disconnect the BNC cable from the 75 W to 50 W minimum loss attenuator
on the oscilloscope’s input, and then connect the BNC cable to the ASI IN
connector on the MPEG test system’s Real Time Analyzer as shown in
Figure 4-4.
8. Double-click the Real Time Analyzer icon in the MPEG test system’s
Program Group window to start the application.
9. In the Real Time Analyzer window on the MPEG test system, select
Settings... from the Configuration menu to open the Settings window.
10. In the Settings window, select Hardware Configuration to open the
Hardware Configuration window.
11. In the Hardware Configuration window, click the Restore Defaults button,
click the Apply button, and then select DVB-PI ASI as the Input Type.
12. In the Settings window, select ETR290 to open the ETR290 configuration
window.
13. In the ETR290 window, click the Restore Defaults button, click the Apply
button, and then click OK to close the Settings window.