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DMA-1240, DMA-1240ADS & DMA-1275

12-Channel Amplifier

Owner’s Manual

Home Theater Direct, Inc.

www.htd.com

Expert Support:

866-HTD-AUDIO (483-2834)

info@htd.com

© Copyright Home Theater Direct, Inc.

V.03.29.19

Summary of Contents for DMA-1240

Page 1: ...DMA 1240 DMA 1240ADS DMA 1275 12 Channel Amplifier Owner s Manual Home Theater Direct Inc www htd com Expert Support 866 HTD AUDIO 483 2834 info htd com Copyright Home Theater Direct Inc V 03 29 19...

Page 2: ...aken so that the grounding or polarization means of an appliance is not defeated Lightning Unplug this device during lightning storms Power Cord Protection Route the power cord so that it is not likel...

Page 3: ...tent de l appareil 11 Utilisez uniquement des fixations accessoires sp cifi s par le fabricant 12 Utilisez seulement avec un chariot un support un tr pied une console ou table sp cifi par le fabricant...

Page 4: ...you get the most out of your new amplifier please take a moment to read this manual before you get started Should you lose this manual you can always download or print a copy from www htd com The DMA...

Page 5: ...r On Off Button Press In to turn amplifier ON Press again to OUT position to turn amplifier OFF Power Indicator Light Amber Standby Blue ON Channel Protection Lights Every channel is designed with a P...

Page 6: ...olume control sold separately or digital keypad sold separately to its maximum setting for the speaker s connected to that channel zone Then slowly turn up the Level knob on the DMA 1240 DMA 1275 unti...

Page 7: ...child can play his her music See Best Practices under Level Settings on Page 4 for more information Input Selection Switch Set to Line L L R R Switch When the Line input is used this switch is inacti...

Page 8: ...ume i e the output level is fixed such as with a traditional CD player the speakers connected to channels 9 and 10 would require an attenuating volume control be connected somewhere between the amplif...

Page 9: ...This Page Left Blank Intentionally...

Page 10: ...signal such as streaming audio or a response to a voice command its audio signal takes priority and will override the audio connected to In 1 In 2 or Line In When no signal is sensed and after an amo...

Page 11: ...audio signal sensed by a Voice Assistant Input will automatically wake up the amplifier even if the amplifier is set to Auto On or Trigger Because the amplifier requires a few seconds to fully come ou...

Page 12: ...ce must accept any interference received including interference that may cause undesired operation This product has been tested by Intertek a Nationaly Recognized Testing Labratory NRTL and found to b...

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