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SCM820 Description

Front Panel

① Channel Mode Selection

Press the button to select the function of the channel knobs and monitor 

LED rings. See the Audio Signal Adjustment section for details on each 

mode.

② Assignable Channel Knob

Adjusts settings and status for each input: 

Rotate: 

Adjusts a setting.

Momentary Press: 

Solos the channel to the headphone output.

Press and Hold: 

Mutes the audio or bypasses the EQ setting.

③ Monitor LED Ring

13 LED segments display gain setting, input signal meter, IntelliMix gain 

meter, channel solo, or EQ setting.

④ Channel Status LED

LED

Channel Status

Off

Channel is closed (attenuated in the automix).

Green

Channel is open (selected in the automix).

Amber

Channel EQ is bypassed.

Flicker Red

Signal is clipping. Set the channel to a lower input 

gain level.

Solid Red

Channel is muted.

⑤ Auxiliary Input Jack (1/8")

Unbalanced aux input sums left and right channels to mono. Front and 

back panel aux inputs are summed to a mono signal and routed 

without 

automixing

 to the mix outputs.

⑥ Master Output Knob

Adjusts settings and status of the mix outputs. See Front Panel Modes for 

details.

Rotate: 

Adjusts output gain or limiter threshold. 

Momentary Press: 

Overrides a soloed channel to return the mix to the 

headphone output. 

Press and Hold: 

Mutes the audio or bypasses the limiter. 

⑦ Master LED Ring

Displays gain setting or limiter threshold. A single LED represents each 

mixer when they are both selected but set to different levels.

⑧ Master Mode Selection

Selects the function (gain or limiter) of the master knob and LED ring.

⑨ Mix Select Button

Selects Mix A, Mix B, or both for adjustment with the master knob and 

monitoring on the LED ring and headphone output. 

Note: 

When both Mix 

A and Mix B are selected, the headphone output only monitors Mix A.

⑩ Mix Status Indicator

LED

Mix Status

Green

Mix is selected for adjustment and listening on the 

headphone output.

Amber

Limiter is bypassed.

Red

Mix is muted.

⑪ Audio Output Meters

Monitor the output signal level and limiter threshold for mix A and B.

⑫ 

LIM

 (Limiter) LEDs

Illuminate amber when the audio levels exceed the limiter threshold.

⑬ System Status Indicators

The LEDs illuminate to indicate system settings:

LED

Color

Status

power

Green

Unit is powered on. 

ethernet

Green

Unit is connected to a network.

network audio

Green

All connected receive channels 

are OK (receiving digital audio as 

expected).

Flashing Green

One or more connected receive 

channels experiencing a 

subscription error or is unresolved 

(transmitting device is off, 

disconnected, renamed or has 

incorrect network setting).

Red

Clock synchronization problem.

Off

No receive channels connected 

(routing has not been established).

automix link

Green

Two or more mixers are connected 

in a link group.

Flashing Green

Link Group is configuring.

Off

Mixer is in standalone mode.

dual mixer

Green

Mixer is set to Dual Mixer operation.

Off

Mixer is set to Single Mixer 

operation.

lockout

Red

Front panel controls are locked. 

Flashing Red

An adjustment is attempted in 

lockout mode.

⑭ Headphone Volume Knob

Adjust the volume of the headphone output.

⑮ Headphone Output Jack (1/4 in.)

Monitor a mix or a soloed channel.

AUX IN

MASTER

lockout

power

ethernet

network audio

automix link

dual mixer

LIM

A

B

-9

-18

-24

-36

-48

-60

0

gain

limiter

L+R SUM

gain

low cut

hi shelf

meter

push to solo | hold to mute

1

2

3

4

5

6

7

8

A B

HEADPHONE

⑭ ⑮

② ③

IntelliMix

SCM820

®

Содержание SCM820-DAN

Страница 1: ...USER GUIDE 27A20290 Rev 4 2017 Shure Incorporated SCM820 Digital IntelliMix Automatic Mixer...

Страница 2: ...r s instructions 8 DO NOT install near any heat sources such as open flames radiators heat registers stoves or other apparatus including amplifiers that produce heat Do not place any open flame source...

Страница 3: ...de 11 Single or Dual Mixer Operation 11 Networking 12 Network Overview 12 Digital Audio Networking 12 Dante Software by Audinate 14 Dante Controller 14 Dante Virtual Soundcard 14 Application Examples...

Страница 4: ...uting gain across channels to equal one open channel This mode incorporates IntelliMix operating principles into a gain sharing mixing style Extreme Extreme is an aggressive variation of Classic mode...

Страница 5: ...Mix B or both for adjustment with the master knob and monitoring on the LED ring and headphone output Note When both Mix A and Mix B are selected the headphone output only monitors Mix A Mix Status In...

Страница 6: ...nal path See Configuring the Inputs and Outputs for details on direct output routing Chassis Ground Screw 1 8 Provides an optional connection for microphone shield wire to chassis ground IntelliMix Se...

Страница 7: ...B 9 18 24 36 48 60 0 gain limiter L R SUM gain low cut hi shelf meter push to solo hold to mute 1 2 3 4 5 6 7 8 A B HEADPHONE IntelliMix SCM820 AUX IN MASTER lockout power ethernet network audio autom...

Страница 8: ...i i i i i i i i i i i gain low cut hi shelf ch meter iiii i i i i i i i i i i i i i i i i gain low cut hi shelf ch meter iiii i i i i i i i i i i i i i i i i iiii i i i i i i i i i i i i i i i i 320 H...

Страница 9: ...UM gain low cut hi shelf meter push to solo hold to mute 1 2 3 4 5 6 7 8 A B HEADPHONE IntelliMix SCM820 AUX IN MASTER lockout power ethernet network audio automix link dual mixer LIM A B 9 18 24 36 4...

Страница 10: ...ix link dual mixer LIM A B 9 18 24 36 48 60 0 gain limiter L R SUM gain low cut hi shelf meter push to solo hold to mute 1 2 3 4 5 6 7 8 A B HEADPHONE 4 5 OUT L R mix a mix b AUX IN 7 gate IN mute ovr...

Страница 11: ...t the signal by 12 dB at 5 kHz with a slop of 12dB octave Direct and Mix Outputs Assign the Direct Outputs GUI Only Assign the Direct Output for each channel from the Output tab of the GUI Pre EQ Afte...

Страница 12: ...ssic Shure SCM810 automixer in its default settings It is renowned for fast acting seamless channel gating and consistent perceived ambient sound levels The Classic mode excels in most applications sp...

Страница 13: ...er operation by pressing the Dual Mixer button on the back panel or from GUI IntelliMix Tab Example Dual Mixer Applications Set Mix A to Classic mode for sound reinforcement and set Mix B to Smooth fo...

Страница 14: ...rements To network SCM820 mixers ensure the setup meets the following requirements Use shielded Cat5e cables or higher Cable runs limited to 100 m 328 ft Devices are on the same subnet Dante Network I...

Страница 15: ...60 0 gain limiter L R SUM gain low cut hi shelf meter push to solo hold to mute 1 2 3 4 5 6 7 8 A B HEADPHONE IntelliMix SCM820 AUX IN MASTER lockout power ethernet network audio automix link dual mi...

Страница 16: ...ing guidelines Ensure the router has QoS enabled Latency settings are set to at least 1 ms Caution Do not form Link groups on a 100Mbps network as this will cause increased traffic and will exceed the...

Страница 17: ...channels appear at the mixer s Mix Outputs Aux Channel The aux channel can be set to Local or Global from GUI Inputs Tab Local Aux keeps the Aux signal from appearing on the mix output of other networ...

Страница 18: ...the chairperson s microphone activates all other microphones mute automatically Remote Channel Open Indicators Remote indicators can be used to indicate when a talker s microphone is on Connect the LE...

Страница 19: ...nt the system still has insufficient gain before feedback other changes must be made to the sound system such as changing the placement of the microphones and or loudspeakers There are two basic ways...

Страница 20: ...d held microphones In this situation feedback frequencies change drastically as the microphone user wanders the room or sound stage Both fixed and dynamic filters will automatically deepen as addition...

Страница 21: ...s set the device password assign metering type and engage hardware lockout 2 Device List Displays the name of the mixer as set in the Preferences tab Click the drop down bar and select a device to ope...

Страница 22: ...two indicators illuminate green when the channel is open to that mix bus Mix A or Mix B When set to Dual Mixer the A and B indicators function separately for each mix 9 Clip Indicator Illuminates when...

Страница 23: ...Tab 6 Routing Routes the channel to the Mix A or Mix B output The routing options depend on the Mixer Type Single Mixer Type the channel can route to both or neither mixes Dual Mixer Type the channel...

Страница 24: ...enuation Last Mic Lock On and NOMA are disabled in this setting 18 Off Attenuation Sets the amount of attenuation applied to closed channels This is disabled when the Gain Scaling is set to Adaptive 1...

Страница 25: ...lect High Q default or Low Q from the drop down menu High Q 1 70th octave Q 101 Low Q 1 40 octave Q 58 10 New Filter Q This selection designates the width of each new filter as it is deployed by DFR 1...

Страница 26: ...70 octave or 100 99Q to very wide 4 octaves or 0 27 Q Gain Sets boost or cut of the EQ setting from 18 to 18 dB 8 DFR Enable Disable Button When DFR is assigned from the DFR tab an enable disable butt...

Страница 27: ...Auto Link enabled When a device is placed in a group it will automatically configure the unit to the group s settings 3 Stand Alone Devices List Displays all mixers that function independently of a l...

Страница 28: ...der This is post limiter for the mix adjustments 9 IntelliMix Metering Changes the GUI Input meters to display IntelliMix attenuation applied in realtime as displayed with an orange meter Channels tha...

Страница 29: ...rm 3 Select Apply to set the password Once a password is set any user can log on as a Guest to view the GUI without changing settings To clear a password and allow anyone full editing rights 1 Log on...

Страница 30: ...he GUI 4 Language Sets the language of the GUI This setting is saved to the computer s cookies Event Log The event log provides a detailed account of mixer activity from the moment the mixer is powere...

Страница 31: ...that five or less windows are open to the same GUI Disable software meters from GUI Preferences tab See Network section for properly setting up the network Network Audio and Link Groups Problem Indica...

Страница 32: ...Error Messages An error message is generated on the Channel LED rings when operating or environmental conditions occur that could potentially harm the mixer These types of messages indicate the mixer...

Страница 33: ...utput Level Impedance Balanced 150 20 dBV Headphone Output 6 35 mm 1 4 TRS 100 mW 350 dual mono will drive stereo phones Digital Signal Processing AD DA Converter 24 bit 48 kHz 113 dB dynamic range ty...

Страница 34: ...n 5353 udp mDNS Required for device discovery Open 5568 udp SDT Required for inter device communication Open 8023 tcp Telnet Debug console interface Password 8180 tcp Flash Required for web GUI Open 8...

Страница 35: ...tom dual mixer 0dB mic 30dB mic phm 48 VDC CH 46dB reset CHANNEL INTELLIMIX B CC B 0E DD AA 00 auto link gate IN Aux Out mute ovrd gnd L R L 1 14 25 13 R GATE OUT LOGIC GROUND MUTE IN OR OVERRIDE IN 1...

Страница 36: ...ompleks Harco Mangga Dua Blok L No 35 Jakarta Pusat I 16 GSI31 00501 0211 Europe Middle East Africa Shure Europe GmbH Jakob Dieffenbacher Str 12 75031 Eppingen Germany Phone 49 7262 92490 Fax 49 7262...

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