Grass Valley Thunder 80 v.1.0 - Manual (Page 35)

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Thunder
User Guide
To change an intercom module in the breakout panel:
1 Turn the power OFF.
2 Remove the four screws that hold the module in the panel.
3 Gently pull the intercom module away from the panel until you can see and remove the
two cable harnesses.
4 Replace with new module and reconnect in reverse order.
5 Turn the power ON.
Fig. 2-14: Replacing Intercom Modules