User Manual
 DIGITAL MUSIC CORPORATION  
Table of Contents  
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Introduction  . . . . . . . . . . . . . . . . . . . 3 
Overview 
Front Panel 
Rear Panel 
Unpacking 
Buffered and Passive Feed Thru's   . . . . . . . . 5 
Why Use the Buffer? 
Connection Options 
Audio Loops . . . . . . . . . . . . . . . . . . . 7 
Effects Loops 
A/B Switching 
Muting Sends 
Combining Multiple Amps 
Using Loops as Switches   . . . . . . . . . . . . 10 
Latching Type 
Normally Open vs. Normally Closed 
Momentary Type 
Using the GCX with a Ground Control    .  .  .  .  .  .  12 
Connection 
Setup Mode 
Controlling GCX Loops 
Using the GCX without a Ground Control  .  .  .  .  .  14 
Warranty  . . . . . . . . . . . . . . . . . . . . 15 










