Universal Audio Arrow Manual page 161

Designate Monitor Unit
In multi-unit configurations, the device at the top of the column is the designated
monitor (master) unit. The monitor unit indicated by a speaker icon between the device
letter and the device name. To change the monitor unit, drag a unit to the top of the
device column.
For related details, see
Note: This operation reconfigures the system. There may be a delay before the
operation is completed.
Add Device
Unit(s) can be manually added for offline configuration by clicking
the "+" switch (below the devices in the column) to present the Add
Device menu. Click a device in the menu to add it to the Device
Column.
Note: When a device is properly connected and powered, it is
automatically detected and added to the device list.
Options Column
Selecting a unit in the Devices column reveals its device-specific settings in the Options
column. A device is currently selected when its text is not dim.
Note: Settings in the Options Column apply only to the specific unit currently
selected in the Devices Column.
Device Name
Arrow's default device name can be changed. The device name is displayed in the
"Connecting to Arrow" window that appears briefly during system connection, in the I/O
Matrix panel settings, and optionally in the Meter Bridge.
Note: Text in this field cannot be modified when the device is offline.
Arrow Manual
Expanded UAD Systems.
Arrow device options
161 Console Settings