The operating concept behind the SCM810/E Automatic Mixer is Shure's
proprietary IntelliMix
®
circuitry. IntelliMix delivers seamless automatic mixing
by combining three separate functions:
• Noise Adaptive Threshold.Distinguishes between constant background
noise (such as air conditioning) and changing sound (such as speech)
for each input channel. It continuously adjusts the activation threshold
so that only speech levels louder than the background noise activate a
channel.
• MaxBus. Controls the number of channels that may be activated for a
single sound source. One talker activates only one channel, even if
multiple microphones “hear” that talker.
• Last Mic Lock-On.Keeps the most recently activated microphone open
until another microphone is activated. Without Last Mic Lock-On, a long
pause in conversation would cause all microphones to turn off, which
would sound as if the audio signal had been lost. Last Mic Lock-On en-
sures that background ambience is always present.
Front Panel Features
MODEL SCM810 FRONT PANEL FIGURE 1
① Microphone Channel Gain Controls 1 - 8:
Allows adjustment of microphone gain.
② Input LED 1 - 8:
Lights green when channel is active; lights red at 6 dB below clipping level.
③ Low-Cut Filter 1 - 8:
Recessed screwdriver adjustment provides adjustable low-frequency rolloff (high pass) to reduce undesirable low-frequency signals.
④ High-Frequency Shelving Filter 1 - 8:
Provides level boost or cut in mid/high-frequency region to compensate for off-axis tone coloration, or for cutting high-frequency sibilance.
⑤ AUX Level Control:
Sets the input level for aux-level equipment connected to the adjacent 1/4-inch INPUT phone jack or rear-panel 1/4-inch AUX input.
⑥ Aux INPUT 1/4-inch Phone Jack:
Mixes external auxiliary- or line-level sources into output. This out is not automatic. Signal appears at output of all linked mixers.
⑦ MASTER Level Control:
Determines the overall mix level.
⑧ Output Level Meter:
Nine-segment LED meter indicates peak output signal level. Last LED indicates limiter action.
⑨ PHONES Control and 1/4-inch Phone Jack:
Permits monitoring of mixer output through headphones. The PHONES knob controls headphones output level.
⑩ POWER LED:
Lights green when unit is powered.
Shure IncorporatedSCM810 Eight-Channel Microphone Mixer
2017/10/092/13
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