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Operating Basics
764 Digital Audio Monitor User Manual
33
displays under the meter bars of the unsynchronized input.
Figure 24 shows the flags as they would appear if each input
signal preceded or followed the DAR signal by more than 25% of
a frame.
The SYNC ERR flags also appear when the input signal sample
frequency varies from the reference frequency by 0.01 kHz or
more. Any such frequency mismatch will cause the input signal
to “slide” relative to the reference with constantly changing sync
error; the 764 detects this and displays the appropriate SYNC
ERR flag(s) at all times—not just when the error exceeds 25%.
Both the “No Reference Signal” message and the SYNC ERR
flags may be suppressed through the Level Meters submenu; refer
to page 52 for details.