Page 43Aviom A640 Personal Mixer User Guide
Only one A640 Personal Mixer can be the Intercom's Speaker on the network at
a time for both momentary and latched modes.
Attempting to activate the latched mode on a second A640 while the Intercom is already active on
another A640 results in an error message.
ERROR: Cannot latch Intercom on.
Another mixer is already the speaker.
Press any button to continue.
The Intercom supports one speaker at a time.
How The Intercom Works
To transmit audio via the Intercom, an A640 Personal Mixer can use either its internal Ambience mic
or an external mic connected to one of the network Slots.
Using the Local Mic
The following diagram illustrates how the Intercom works when using the A640's built-in Ambience
mic as the source for the Intercom audio.
In each Cat-5 cable in an Aviom Pro16e A-Net network, all 64 available network Slots are always
present (whether they have audio assigned to them or not). This is indicated with the orange arrow in
the diagram below. The A-Net data stream is being sent from a D800 A-Net Distributor to the A640's
A-Net In jack.