Shure A400MB Manuel utilisateur

A400MB

Mute Button

Shure A400MB online user guide. Includes installation instructions, DIP switch settings, specifications, and more.

Version: 1.0 (2021-G)

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Table of Contents

A400MB Mute Button 3

IMPORTANT SAFETY INSTRUCTIONS 3

Mute Button Overview 4

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 Signal Flow 12

Optional Accessories 14

Specifications 14

Important Product Information 15

Information to the user 15

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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.

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This symbol indicates that dangerous voltage constituting a risk of electric shock is present within this unit.

Thissymbolindicatesthatthereareimportantoperating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 design ideal

for surface mounting to boardroom tables. The switch adds a programmable button for microphone LEDs and local or remote

mute control with Shure products or third-party control systems.

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A400MB Parts

①Color Ring

Place around drilled hole to match microphone color.

②Mute button

Touch to mute microphone.

③Mute button cable

Connect to the plug-on adapter.

④Spacer

Use the spacer to adjust to different table thicknesses. Pull the mute button cable through the gap.

*⑤Wingnut

Use to tighten the mute button under the table. Included with MX395 and MX400SMP only.

⑥Plug-on adapter

Sits underneath the table surface, provides power, and controls signals to the mute button.

What's in the Box

Mute button

Plug-on adapter

Spacer

Color rings (3)

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10.

Assembly kit (90A48840):

Flathead screwdriver

Cable ties (2)

Strain reliefs (2)

Terminal plug

Installing the Mute Button

The mute button fits in tables that are between 15 to 30 mm (.59 to 1.18 inches) thick.

Drill a 30 mm (1 1/8 inch) hole in the table.

Place the color ring around the hole.

Insert the mute button and its cable into the 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 the bottom of the table.

Pull the cable through the side opening on the spacer.

Slideawingnutunderthespacerandtightenbyhand,andthenturnanadditional90degrees(¼turn).Donotover

tighten the wingnut.

Connect the adapter to the 5-pin XLR microphone.

Plug the mute button cable into the adapter.

Wire a cable to the 6-pin block connector and connect to the adapter.

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Phantom Power

The mute button requires a 48 V phantom power source.

LED Logic

Use the included 6-pin block connector to 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 downwards so they are accessible from under the table after installation.

Logic Ground

Switch (sent from microphone)

LED (received by microphone)

Audio Ground

Audio -

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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 the adapter.

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