3x1 Mic/Line Mixer
Owner’s Manual
Rear Panel Description
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TSD Input/Output connections are removable for easy system wiring. The connector has a 3.5mm pitch between pins.
1.DC Power Input - Each TSD that requires DC power comes with a 2 position connector for an external 24VDC power supply (sold separately). Because of the low power consumption, a single external power supply may power more than one TSD. Refer to the current requirements in milliamps to match with the appropriate power supply. Note: It is acceptable to exceed the current of the TSDs but NOT safe to use a power supply that is below the current requirement of the device.
2.Balanced Inputs 1 and 2 - Connects to balanced line or mic level sources. For gain or source input type selection, refer to the “Dip Switch Function Identification” chart. Note: Unbalanced line inputs can be inserted with proper wire configuration by connecting the (G) and
3.Unbalanced Input 3 - Electronically sums unbalanced audio signals through stereo RCA connectors. Level control is on the front panel . Input 3 can be muted via contact closure or an audio signal on Input 1 for priority paging applications.
4.Input 3 Remote Mute - Connect a dry contact closure across these two terminals to mute Input 3 when the switch is closed. Dip Switch 7 must be in the On position.
5.Remote Level - For remote gain control, connect the Atlas Sound
6.Balanced Line Output - Provides output for connection to balanced mic/ line level devices. Note: Unbalanced line level devices can be used with proper wire configuration by connecting the (G) and
7.Output Limiter Control - Sets peak output levels by increasing or decreasing the sensitivity.
The Limiter LED on the front panel indicates when limiter is in use. Note: The control knob can be replaced with a supplied security cover to prevent unauthorized adjustment.
8.Vox Sense - Adjusts the sensitivity of the Mute circuit for priority pages. Set Dip Switch 8 to control a mixed signal or Input 3 signal only.
9.Cable Management Retainer Points - Use rear panel screws to secure included cable management retainers.
1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A.
Telephone: 800.876.3333 • Fax: 800.765.3435
AtlasSound.com | – 4 – |
Specifications are subject to change without notice.
