Extron electronic MPA 401 manual Setup and Operation, Front Panel Features, Troubleshooting

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Setup and

Operation

This section provides information about the front panel features and operation of the

MPA 401‑70V and MPA 401-100V:

•Front Panel Features

•Setting Input Level

•Setting Bass and Treble

•Remote Control Options

•Troubleshooting

Front Panel Features

The front panels of the MPA 401‑70V and MPA 401‑100V are identical and shown below:

LEVEL BASS TREBLE

MPA 401

MINI POWER AMPLIFIER

Figure 7. MPA 401-70V or MPA 401-100V Front Panel

APower LED — The LED lights green when the MPA 401 unit is receiving power and active. It lights amber when the unit is on standby.

BPotentiometers — These three front panel potentiometers are used to optimize level, bass, and treble settings (see the following pages for further details).

MPA 401-70V and MPA 401-100V • Setup and Operation

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Contents MPA 401 Series Mini Power AmpliﬁersUser Guide AudioSafety Instructions Safety Instructions EnglishChinese Simplified（简体中文） Instructions de sécurité FrançaisFCC Class B Notice Conventions Used in this Guide Specifications AvailabilityNotifications Contents Setup and OperationIntroduction Rear Panel and CablingMPA 401-70Vand MPA 401-100V Contents Important Safety Instructions Important Safety InstructionsMPA 401-70Vand MPA 401-100VFeatures IntroductionMPA 401-70Vand MPA 401-100VDescription Figure 1. Typical Application for the MPAMPA 401-70Vand MPA 401-100VFeatures MPA 401-70Vand MPA 401-100V IntroductionRear Panel Power Input Audio Inputs Remote Input Connector Speaker ConnectionsRear Panel and Cabling Rear PanelPower Input Audio Inputs Wiring for remote control Remote Input PortPage Speaker Connections Setup and Operation Front Panel FeaturesFront Panel Features Setting Input Level Setting Bass and Treble Remote Control OptionsSetting Input Level Setting Bass and TrebleRemote Control Options MPA 401-70Vand MPA 401-100V Setup and OperationExtron MPA Extron SI 3CT LPAmplifier Fails to Exit Standby Mode Promptly TroubleshootingAmplifier Enters Standby Mode Too Early Plenum Placement Tabletop PlacementReference Material MountingRack Mounting Procedure Under-desk, Through-desk,and Projector MountingExtron Warranty