Studio-technologies 742A Manual do Utilizador

50267-0712, Issue 1Audio MixerUser Guide Issue 1, July 2012This User Guide is applicable for serial numbers:M742A-01151 and later© 2012 by Studio Tech

Issue 1, July 2012 Model 742A User Guide Page 10 Studio Technologies, Inc. Audio MixerMonitor Output ModesThe line-level monitor outputs can be con

Model 742A User Guide Issue 1, July 2012 Studio Technologies, Inc. Page 11 Audio MixerSystem ComponentsThe shipping carton contains a Model 742A Aud

Issue 1, July 2012 Model 742A User Guide Page 12 Studio Technologies, Inc. Audio Mixerinputs not be wired by way of points on an audio patch bay.

Model 742A User Guide Issue 1, July 2012 Studio Technologies, Inc. Page 13 Audio Mixerwill drop slightly. A 0.5 dB difference in output level can be

Issue 1, July 2012 Model 742A User Guide Page 14 Studio Technologies, Inc. Audio MixerIn the “pre +4” mode the monitor outputs have a fixed nominal

Model 742A User Guide Issue 1, July 2012 Studio Technologies, Inc. Page 15 Audio Mixersource for the tip lead (typically head-phone left) is main ou

Issue 1, July 2012 Model 742A User Guide Page 16 Studio Technologies, Inc. Audio Mixerbelow the tone function’s on/off switch on the front panel. (

Model 742A User Guide Issue 1, July 2012 Studio Technologies, Inc. Page 17 Audio MixerPost-Installation CalibrationReference Tone Direct OutputIf th

Issue 1, July 2012 Model 742A User Guide Page 18 Studio Technologies, Inc. Audio MixerOperationWhile the Model 742A Audio Mixer is quite simple to

Model 742A User Guide Issue 1, July 2012 Studio Technologies, Inc. Page 19 Audio MixerIf phantom power is enabled for a channel it is only active wh

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Issue 1, July 2012 Model 742A User Guide Page 20 Studio Technologies, Inc. Audio MixerLevel ControlThe rotary control is used to adjust the overall

Model 742A User Guide Issue 1, July 2012 Studio Technologies, Inc. Page 21 Audio MixerLevel MetersTwo 10-segment LED meters display the level presen

Issue 1, July 2012 Model 742A User Guide Page 22 Studio Technologies, Inc. Audio Mixer• If the factory-default compressor thresh-old of +10 dBu is

Model 742A User Guide Issue 1, July 2012 Studio Technologies, Inc. Page 23 Audio Mixeruse output bus 2 as their audio source. Two rotary controls se

Issue 1, July 2012 Model 742A User Guide Page 24 Studio Technologies, Inc. Audio MixerWarning: Protect your ears! The Model 742A is capable of driv

Model 742A User Guide Issue 1, July 2012 Studio Technologies, Inc. Page 25 Audio MixerCompressor ConfigurationsThe compressor circuits that control t

Issue 1, July 2012 Model 742A User Guide Page 26 Studio Technologies, Inc. Audio Mixerwith the cover off, it is located on the far right side of th

Model 742A User Guide Issue 1, July 2012 Studio Technologies, Inc. Page 27 Audio MixerThe dBu designation is better because it refers to dB referenc

Issue 1, July 2012 Model 742A User Guide Page 28 Studio Technologies, Inc. Audio MixerSpecificationsGeneral Audio Parameters:Frequency Response: 20

Model 742A User Guide Issue 1, July 2012 Studio Technologies, Inc. Page 29 Audio MixerReference Tone:Frequency and Wave Form: 400 Hz nominal, sine w

Model 742A User Guide Issue 1, July 2012 Studio Technologies, Inc. Page 3 Audio MixerTable of ContentsIntroduction ...

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Model 742A User Guide Issue 1, July 2012 Studio Technologies, Inc. Page 5 Audio MixerIntroductionWhat This User Guide CoversThis User Guide is desig

Issue 1, July 2012 Model 742A User Guide Page 6 Studio Technologies, Inc. Audio Mixerfor worldwide use, the input voltage can range from 100 to 240

Model 742A User Guide Issue 1, July 2012 Studio Technologies, Inc. Page 7 Audio Mixeroutput bus (or buses), minimizing the chance of unwanted “leaka

Issue 1, July 2012 Model 742A User Guide Page 8 Studio Technologies, Inc. Audio Mixerto be compatible with a variety of moni-tor amplifiers, amplifie

Model 742A User Guide Issue 1, July 2012 Studio Technologies, Inc. Page 9 Audio Mixerdetachable IEC cord set; no external power supply is used. Havi