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Speaker Volume Control -
13.
Volume control adjusts the level to the front panel speaker. If an external speaker is used, volume must be adjusted at
the speaker.
Channel Status Indicators -
14.
The indicators are green for normal operation and red when there is an overload or short circuit. Once the fault is
resolved, the system will Auto-reset.
Universal AC Power Input -
15.
The MS-4002 accepts any input power in the range of 100-240 VAC, 50/60 Hz.
Program Inputs Connector and Trimmers -
16.
Each intercom channel has its own program input and level adjust trimmer. The program inputs may be turned on or
off via the front panel and they may be set to interrupt during talk, if desired.
Intercom Line Connector -
17.
Two (2) connectors are provided for each channel for loop-through connection of 1-channel intercom stations.
PA Output -
18.
Connects to a public address system.
Expansion Out Connector -
19.
Connects to an EMS-4001 Expansion Station.
Speaker Output Jacks -
20.
May be used with externally-powered loudspeakers for monaural or binaural listening configurations.
Balanced/Unbalanced Selector Switches -
21.
The selector switches set the MS-4002 for compatibility with either Audiocom or Clear-Com channel connector
pin-outs, channel power requirements, and call signaling requirements. Both switches must be in the same position.
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