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Shure Incorporated

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A400MB 

 

 

Mute Button

IMPORTANT SAFETY INSTRUCTIONS

READ these instructions.

KEEP these instructions.

HEED all warnings.

FOLLOW all instructions.

DO NOT use this apparatus near water.

CLEAN ONLY with dry cloth.

DO NOT block any ventilation openings. Allow sufficient distances for adequate ventilation and install in accordance 

with the manufacturer’s instructions.

DO NOT install near any heat sources such as open flames, radiators, heat registers, stoves, or other apparatus (in­

cluding amplifiers) that produce heat. Do not place any open flame sources on the product.

DO NOT defeat the safety purpose of the polarized or grounding type plug. A polarized plug has two blades with one 

wider than the other. A grounding type plug has two blades and a third grounding prong. The wider blade or the third 

prong are provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replace­

ment of the obsolete outlet.

PROTECT the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and the 

point where they exit from the apparatus.

ONLY USE attachments/accessories specified by the manufacturer.

USE only with a cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus. When a 

cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over.

UNPLUG this apparatus during lightning storms or when unused for long periods of time.

REFER all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any 

way, such as power supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, 

the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.

DO NOT expose the apparatus to dripping and splashing. DO NOT put objects filled with liquids, such as vases, on the 

apparatus.

The MAINS plug or an appliance coupler shall remain readily operable.

The airborne noise of the Apparatus does not exceed 70dB (A).

Apparatus with CLASS I construction shall be connected to a MAINS socket outlet with a protective earthing connec­

tion.

To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture.

Do not attempt to modify this product. Doing so could result in personal injury and/or product failure.

Operate this product within its specified operating temperature range.

Summary of Contents for A400MB

Page 1: ...A400MB Mute Button Shure A400MB online user guide Includes installation instructions DIP switch settings specifications and more Version 1 0 2021 G...

Page 2: ...A400MB Parts 4 What s in the Box 5 Installing the Mute Button 6 Phantom Power 8 LED Logic 8 A400MB Pin Assignments 8 DIP Switches 9 Accessing the DIP Switches 9 DIP Switch Settings 11 Connections and...

Page 3: ...om the apparatus ONLY USE attachments accessories specified by the manufacturer USE only with a cart stand tripod bracket or table specified by the manufacturer or sold with the apparatus When a cart...

Page 4: ...and maintenance instructions in the literature accom panying this unit Mute Button Overview The Shure A400MB mute button accessory is compatible with the MX395 LED and MX400SMP with a low profile desi...

Page 5: ...adapter Spacer Use the spacer to adjust to different table thicknesses Pull the mute button cable through the gap Wingnut Use to tighten the mute button under the table Included with MX395 and MX400SM...

Page 6: ...hole Note Remove the protective blue film from the top of the mute button Insert a compatible microphone into the mute button Slide the spacer onto the mute button so the rubber side is flush against...

Page 7: ...Shure Incorporated 7 16...

Page 8: ...o wire the microphone to a DSP or other logic enabled device such as the ANI22 BLOCK or ANI4IN BLOCK A400MB Pin Assignments 6 pin block connector Note The block connector screw terminals face downward...

Page 9: ...porated 9 16 6 Audio DIP Switches Accessing the DIP Switches Disconnect the adapter from the A400MB and any logic devices before disassembly Remove the 2 Phillips head P1 size screws from the base of...

Page 10: ...Shure Incorporated 10 16...

Page 11: ...2 default 5 DOWN 6 UP 3 5 UP 6 UP 4 Note Higher sensitivity settings are more likely to cause accidental touch responses Connecting to a Logic Enabled Device Use these settings if connecting the micro...

Page 12: ...t DIP switch 4 to configure microphone LED color Note The A400MB connector plugs in upside down relative to the ANI connector The cable should be wired in a 1 1 pin out configuration when both connec...

Page 13: ...Shure Incorporated 13 16 Connections and Signal Flow MX395 LED Runs the audio signals and features logic connections to receive logic mute and LED control signals A400MB...

Page 14: ...USB to provide mute synchronization with videoconferencing software such as Microsoft Teams or Zoom Visit www shure com for more information on how to configure the ANI22IN BLOCK and P300 Optional Acc...

Page 15: ...received including interference that may cause undesired operation Note This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC R...

Page 16: ...ermany Phone 49 7262 92 49 0 Email info shure de www shure com This product meets the Essential Requirements of all relevant European directives and is eligible for CE marking The CE Declaration of Co...

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