Technician Troubleshooting Guide | Model 481BA |
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Intracom
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| OFF | ON |
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| Figure 1. Operating Controls |
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Key | Control Name | Function | |
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1 | Power Switch | Provides power to mainstation. |
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2 | Power Indicator Light | Indicates power is on and the system is ready to operate. | |
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3 | Volume Control | Adjusts INCOMING audio level. | |
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| NOTE: Volume level adjustments for alert tone and outside | |
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| speakers are set by the installer. | |
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4 | Channel Selector Switches | These switches control talk/listen communication for | |
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| numbered channels. Operator touches switch to talk and | |
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| releases switch to listen. |
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5 | Indicator Lights | Red indicates TALK mode. |
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| Green indicates LISTEN mode. | |
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| Yellow (steady) indicates channel on "HOLD." | |
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| Yellow (flashing) indicates incoming call WAITING. | |
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6 | Hold Switch | Places selected channel in "HOLD" mode. | |
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7 | All Call Switch | Controls conversation with all channels simultaneously. | |
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8 | Standby Switch | Silences incoming audio to eliminate undesired background | |
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| noise pickup when unit is not in use. Touching any | |
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| CHANNEL SELECTOR SWITCH releases STANDBY | |
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| mode. |
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9 | Standby Indicator Light | Indicates unit is in STANDBY mode. | |
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