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Electronic Theatre Controls Inc

Controlling Echo Objects using PSAP

Description

This article describes how to control Echo objects (Presets, Zones, Spaces, Walls) using Paradigm Serial Access Protocol (PSAP 4.0 in LD 4.2.4). 

Prerequisites:

  • An Echo Expansion Bridge both in LD and the real world on the network (and connected to the Echo Bus).
  • PSAP enabled on a Paradigm Processor. (LD Property Editor when PACP is selected).
  • Names are required in all strings (these are not optional).
  • Third Party controller will direct PSAP commands to the PACP with PSAP enabled (not the EEB).

Sites with Multiple Echo Expansion Bridges

  • If more than one EEB is installed on this site, unique names are required for each Echo Space on each Echo Bridge.
  • Each Echo Space can still have Echo Zones named the same (Zone 1, Zone 2, Zone 3 and so on).  This is because we can declare (use) Space Names with this string.
  • Each Echo Space can still have Echo Presets named the same (Preset 1, Preset 2, Preset 3 and so on).  This is because we can declare (use) Space Names with this string
  • Walls must have unique names as Echo Space names can not be used in combination with the Echo Wall name in the Wall PSAP string as shown below.

Commands

Below is a list of commands in PSAP that will control Echo Objects (using the default names),  Object names and values should be substituted to meet the sites needs.

Presets

Activate:  pst act Preset 1, Space 1

Deactivate:  pst dact Preset 1, Space 1

Record:  pst rec Preset 1, Space 1

Zones

Set Intensity:  chan int:50% Zone 1, Space 1

Raise:  chan ras:25% Zone 1, Space 1

Lower:  chan low:25% Zone 1, Space 1

Toggle (Full/Off/Full):  chan tog Zone 1, Space 1

Space

Off:  spc off Space 1

Raise:  spc ras:50% Space 1

Lower:  spc low:25% Space 1

Wall (Space Combine)

Open:  wall open Wall 1

Close:  wall close Wall 1

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