Table of Contents
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Table of Contents
Related Manuals for Inter-m PAM-312
Summarization of Contents
Installation
Environment
Guidance on selecting a suitable operating environment for the amplifier, avoiding heat, dust, moisture, and vibration.
Important Safety Instructions
Crucial safety guidelines covering electrical hazards, installation, and general usage precautions for the amplifier.
Front Panel Controls Part 1
Input Volume Control
Controls for adjusting the volume levels of individual input channels (1-6).
Tone Control
Adjusts the BASS (100 Hz) and TREBLE (10 kHz) frequencies for audio output.
Main Volume Control
Adjusts the overall output volume of the entire audio signal.
Chime Switch
Activates a 4-note scale chime sound with an indicator light.
Speaker Selection Switch
Allows individual or all speaker outputs to be turned on/off.
Front Panel Controls Part 2
Power Switch and Indicators
Details on the power switch, power indicator, protection circuit indicator, and output level indicator.
Module Input Port
Slot for mounting various sound source modules like CD, USB, FM Tuner, and Bluetooth.
Rear Panel Connections Part 1
AC Power Input Terminal
Connects the device to the AC power source (220V-240V).
Speaker Output Terminal
Terminals for connecting speakers, with impedance details for different models.
Impedance Selection Switch
Allows selection between 70V or 100V impedance for speaker connections.
Rear Panel Connections Part 2
TEL IN Terminal and Controls
Connects to telephone paging systems and adjusts input sensitivity and priority.
External Input (EXT IN) Terminal
Connects to the output of external audio devices.
INPUT 1~6 Terminals
Various audio input terminals, including balanced and unbalanced options.
Rear Panel Input Details
INPUT GAIN Volume
Adjusts the input sensitivity for channels 1-3.
INPUT 4~5 Terminal
Line input terminals for balanced signals.
INPUT 6 Terminal
Stereo input terminal for unbalanced audio signals.
Rear Panel Priority and Control Terminals
Priority Adjustment and Selection
Manages volume reduction and enables priority operation for input channels.
External MUTE and CHIME Terminals
Connects switches for external muting and chime activation.
External EM (Emergency) Terminal
Connects a switch for emergency broadcasting activation, automatically powering on the device.
MIX OUTPUT (MIX OUT) Terminal
Output terminal for recording or connecting to parallel amplifiers.
Module Mounting Procedures
How to Mount the PAM Module
Step-by-step guide for installing sound source modules into the amplifier.
Precautions for FM Tuner Module
Specific advice for installing the FM tuner module and its antenna, including reception tips.
Troubleshooting Guide
Audio Output and Intermittency
Solutions for problems like no audio output, intermittent audio, or distorted signals.
Priority Mute and RM-05A Issues
Resolving issues with priority mute function and RM-05A microphone not producing sound.
Service Information
Service Procedures
Steps to follow for troubleshooting and resolving issues with the device.
Schematic and Parts List Availability
Information on how to obtain the device's schematic diagram and parts list.
Variations and Options
Product Variations
Information regarding product compatibility with local AC power requirements.
Available Options
Notes that no optional items are currently available for this product.
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