Aviom 6416o - Manual (Page 59)

50 c
oNtrol
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Aster
The Enter/Cancel LED will flash when the user is required to press one of
these buttons in order to complete an operation.
Control Master and Clock Source
By default, the device designated as Control Master in a network consisting
of all analog modules is also the device in control of the network master
clock. The front‑panel Clock Master LED lights to indicate that a module is
designated as the master clock device.
The red Clock Master LED lights when a Pro64 device is the Control Master.
When an analog I/O module is the Control Master, there is no other analog
module that can be used as a clock source. When a digital I/O module is part
of an audio network, the digital I/O device can be used as a clock master for
the network, even if this digital device is not the network’s Control Master.