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On-Air Light (Tally Light)

The Tally Light output delivers 12 VDC / 150 mA when the Microphone Master Button is enabled.
It can connect up to two Solidyne LA100 indicator modules. Additionally, the console includes a built-in on-air light in the chassis.
The Tally Light output automatically turns off if the load exceeds 150 mA.

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GPIO

The 3.5mm jacks labeled **GPIO** are general purpose outputs (GPO, General Purpose Output) designed to control external devices by enabling specific console channels.
  • On DX816: outputs are generated for microphone channels MIC-1, MIC-2, MIC-3 and line inputs USB-1 and USB-2.
  • On DX822: in addition to the above, GPO outputs include MIC-4, MIC-5 and MIC-6.
These control outputs use an open collector circuit, functioning like a switch:
  • Inactive state → high impedance.
  • When enabling a channel → the output connects to ground.
Electrical specifications:
  • Maximum: +24 V - 0.1 A.
Connectors:
  • 3.5mm TRS jack type, located on the rear panel.
  • DX816: “MIC 1&2”, “MIC-3” and “LIN USB 6&7”.
  • DX822: adds “MIC 4&5” and “MIC-6”.
GPO MIC 1&2 (same for MIC 4&5 on DX822) GPO MIC-3 (same as MIC-6 on DX822) GPO USB