Dolby Laboratories Multichannel Audio Tool DP570 - Manual (Page 31)

Monitoring Status Using the Front Panel
Dolby ® DP570 Multichannel Audio Tool User’s Manual 15
Basic Status Indicators
The indicators shown in Figure 3‐4 display the basic status information listed in Table 3‐3 .
Figure 3‐4
Figure 3‐5
Figure 3-4 Basic LED Indicators
Channel Status Indicators
The indicators in Figure 3‐5 , and described in Table 3‐4 , show channel activity for either
input or output, depending on the state of the Input Activity button. By default the button
is unlit and the indicators show output activity. When you press the button, it lights up and
the indicators show input activity.
Table 3-3 Basic Status Indications
LED Indication and Meaning
Delay This LED is not active in this version.
Lt/Rt Input Green: Lt/Rt Input mode is active.
Off: Inactive
Solo Green: Solo input function is active.
Off: Inactive.
Metadata Input There are separate indicators for inputs 1 and 2.
Green: Signal is locked and valid.
Red: Invalid signal while unit is in External Metadata mode.
Off: Unit is not in External Metadata mode.
Remote Green: Remote is active.
Red: Communication problem.
Off: Remote is not activated.
V Ref Green: Signal is locked.
Red: No signal or invalid signal. (Check for proper termination.)
Fault Red: A hardware fault.
Off: No fault.
Error Red: Error condition.
Off: No errors.
This LED is activated when:
No signal is locked to the AES 1/2 input.
The metadata source is set to external, and there is no external
signal.
The metadata source is set to external, and the external vsynch is not
valid.
External metadata is not valid.
Tip: The meanings of some indications changes slightly between input activity and output
activity. Before acting on an indication, note which direction the unit is displaying.