Rosendahl nanoclocks GL - Manual (Page 9)

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Switching from INPUT A to INPUT B does not produce deviations on
the synchronised audio clocks, stable operation will be obtained.
All lock and relock procedures are operated very smoothly to
guarantee continuous audio clock output signals during all stages:
lock, hold, relock.
If the video frame rate is a multiple of the sample rate, it is possible
to lock the audio phase to video syncs.
Then the rising edge of the word clock signal will be phase locked to
the start of video line 1.
Several nanoclocks GL units locked to the same video house sync
will produce phase locked audio clocks.
REFERENCE = AUDIO
Press the AUDIO button to configure nanoclocks GL for audio
genlocked operation.
Both reference inputs A and B accept word clock as well as AES11
reference clock signals.
If no valid audio clock signal is present the according INPUT button
is blinking.
Audio reference signals with
44.056, 44.100, 47.952, 48.000, 88.112, 88.200, 95.904, 96.000 kHz
are detected automatically and the output sample rate will be set up
accordingly.