6. DETAILED MEASUREMENT EXAMPLES
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6.5
External Digital Audio Signal Measurement
You can measure group A or group B (OP70)—for a total of eight channels—of the audio
signals being applied to the rear panel.
(With the LV 5770SER43, you can measure both groups simultaneously.)
Simul mode is not supported. Perform this measurement with the SIM key LED turned off.
1. Apply digital audio signals to the DIGITAL AUDIO IN/OUT connectors on the rear panel.
Check that the Audio BNC settings are set to INPUT on the REAR PANEL SETUP tab in
the system settings. These settings are set to INPUT when the LV 7770 is initialized.
See section 7.1.2, “Rear Panel Settings.”
2. Turn the MULTI key off (optional).
The LV 7770 switches to the 1-screen display, which is easier to view.
3. Press AUDIO.
4. Press F
•
1 SOURCE SELECT and then F
•
1 INPUT SELECT to select EXT DIGI.
5. Press F
•
2 CHANNEL SELECT to select the measurement group.
The external digital audio signals of the selected group are displayed.
“AES” is displayed in the lower right of the screen to indicate that external digital audio
signals are being measured.
Figure 6-5 External digital audio signal measurement
