CHAPTER 19
INTERCOM SYSTEMS
The intercom system allows the lighting crew to communicate during a show. The lighting director can cue follow spot operators, and the stage manager can call start and finish cues for the house light operator. Good communication is necessary for a smooth performance (Figure 19–1). Each headset is fitted with a microphone. The belt pack, which connects the headphones to the system, has a call button that lights when any station is calling, an on-off switch for the microphone, and a volume control for station level.
Keep the stations off metal objects such as spot stands. If the station finds a second earth reference, the system may hum, which makes extremely difficult to hear. The microphone should be switched off ...
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