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UM-series Compact 100V mixer-amplifiers Item ref: UM30 953.173UK UM60 953.176UK UM90 953.179UK User Manual Version 1.0 Caution: Please read this manual carefully before operating Damage caused by misuse is not covered by the warranty...
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Introduction Thank you for choosing an Adastra UM-series mixer-amplifier as part of your public address system. This unit is designed to offer high quality, dependable service for mobile and installed systems. Please read this manual to gain the best results from your product and avoid damage through misuse. SAFETY SYMBOL AND MESSAGE CONVENTIONS CAUTION AVIS...
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Rack mounting The UM series amplifiers can be mounted into a 19” rack cabinet using the supplied rack accessories. As shown below, the 2 joining brackets link a pair of UM series amplifiers together to form a full-width 1U rack-mount pair. One rack ear can be mounted at each end for fixing to the rack strip. Wall or under counter mounting The rack mounting accessories can also be attached so that the amplifier can be mounted against a wall or under a...
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Connection and setup Connect the rear IEC inlet (12) to the mains using the supplied mains lead (or an equivalent approved type). Alternatively, the UM series amplifiers can be powered by a 24Vdc power supply, such as a truck or boat battery, by connecting the “+”...
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Operation When all connections to the amplifier are made, turn all rotary controls down and switch on the power (13) and a power LED will illuminate. Ensure a signal is being fed to the LINE IN connection and gradually increase the MASTER rotary control (6) part way for testing.
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FM Tuner The FM tuner function operates in the same way as a standard FM radio and benefits from the connection of an FM antenna to the rear panel ‘F’ type connector. If no channels are tuned in, press the Play/Pause button (24) to begin auto tuning, which scans available stations and stores them as channels within the FM tuner.
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