Installation 
EST3 Installation and Service Manual  5.17 
If a CDR-3 Zone Coder is installed and connected to the AUX 
input on a 3-ASU, include the following features in the initial 
startup version of the project database: 
•  Program a control/display module toggle switch that is to 
turn on the amplifiers and select the Auxiliary channel. 
Label the switch AUX_INPUT_ADJUST and add the 
following rule to the rules file: 
[3-ASU_AUX_INPUT_SETUP] 
SW 'AUX_INPUT_ADJ': 
  AMPON '*' TO 'Ch_Aux*';