
NIDisk User Guide
14
Here is the meter after recording with low headroom represented by a yellow bar:
and here is the meter during an overload condition represented by a red bar:
Final Meter Display
After recording, the meter reports total headroom, which is the worst-case (minimum)
headroom of the signal during the entire recording. In this way, the operator can always tell
if the A/D has overloaded at any point during the recording without continuously monitoring
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