Related Manuals for AudioControl CM4-750
Summarization of Contents
Quick View
Front Panel Overview
Details the front panel components and indicators of the amplifier unit.
Rear Panel Overview
Details the rear panel connections and ports of the amplifier unit.
Front Panel Features
Power LED Indicator
Describes the dual-color LED indicating the unit's power status (standby, on, or off).
Protection LED Indicator
Explains the red LED that indicates faults or protection mode activation.
Ethernet Status LEDs
Details the green and yellow LEDs indicating Ethernet connection and data activity.
Zone Status LED
Describes the dual-color LED indicating zone fault, active, or standby status.
Zone Level LEDs
Explains the LEDs indicating the zone's output level from bottom to top.
Rack Mount Ears
Information on attaching and removing the unit's removable rack mount ears.
Rear Panel Features
AC Power Switch
Describes the main AC power switch for turning the unit on and off.
AC Input
Instructions for connecting the AC power cord to the unit.
1-2 Input Mode Switch
Explains the switch for selecting line-level or microphone-level analog inputs.
Analog Inputs
Details the RCA inputs for analog audio sources and microphone selection.
Analog Input Terminals
Describes the terminal blocks for analog inputs, supporting balanced or unbalanced wiring.
Signal Present LEDs
LEDs that indicate when analog signals are present at the inputs.
Analog Loop Outputs
Describes analog outputs that copy input signals for system expansion.
Analog Loop Output Terminals
Provides RCA output terminals for analog loop signals.
Speaker Outputs
Connectors for loudspeakers, with LEDs indicating zone activity.
Mode A/B Switch
Allows selection between 70V (Mode A) or low impedance (Mode B) operation.
Zone Trigger Input
Input for external +12Vdc trigger voltage to turn individual zones on.
Main Trigger Input
3-pin connector for turning the unit on or placing it into standby mode.
Digital Inputs
Details the coaxial and optical digital inputs for audio signals.
Digital Outputs
Describes S/PDIF digital outputs for sending audio signals.
Master Reset
Button to reset internal Ethernet settings and other configurations.
Dante Port
Port for connection to the optional Dante network card.
Ethernet LAN Port
Standard port for connecting the unit to a 10BaseT network via CAT5 cabling.
Speaker and Wiring Impedance
Speaker Wire Resistance
Table showing wire resistance based on gauge and run length.
12 Volt Trigger Ins and Outs
Main Trigger 3-pin Connector
Details the pinout and usage of the main trigger connector for power control.
Internet Connectivity and Control
Control Using a Browser
Instructions for accessing and controlling the unit via a web browser.
Apple/Mac Connectivity
Guidance for connecting to the unit using Apple/Mac computers.
Communications Options
Overview of communication settings like SNTP time server and email alerts.
Control via Telnet Commands
Telnet Command Examples
Provides examples of commands for controlling amplifier functions via Telnet.
Zone Settings
Zone Standby Control
Function to turn the zone's amplifier on and off for quick power output.
Zone Naming
Allows users to name each zone for easier identification and management.
Input Source Selection
Enables selection of the audio input source for playback in a specific zone.
Zone Grouping
Enables assignment of zones to groups for synchronized settings.
Volume Management
Settings for initial volume (On Volume) and maximum volume levels per zone.
Zone Level Adjustment
Covers input metering and trim controls for fine-tuning zone output levels.
Zone Options
Speaker Profiles
Optimized settings files designed by speaker manufacturers for best performance.
Crossover Settings
Configuration of Low Pass, Band Pass, and High Pass filters for speaker frequency control.
Equalization Controls
Access to graphic and parametric EQ filters for fine-tuning speaker performance.
Stereo/Mono Configuration
Option to combine zone channels into mono for single speaker or subwoofer operation.
Loud Function
Provides a low-frequency boost for pleasing sound at lower listening levels.
Global Settings
Amplifier Settings
Options to rename the unit, set signal sense, and lock system parameters.
DANTE Configuration
Scan for Dante-enabled products and set device ID for automated environments.
Input Sources Management
Rename input sources and adjust input voltage sensitivity for optimal performance.
SDS Signal Detection Switch
Configure dynamic automated source switching based on audio signal detection.
Delay Settings
Adjust time delay in 5 millisecond increments between zones.
Network Configuration
Enter network settings like IP address, subnet mask, gateway, and DNS.
Notifications Setup
Configure unit alerts for parameters and health updates via SMTP.
Settings Files Management
Backup and restore unit configurations, zone settings, and EQ parameters.
Firmware Updates
Instructions for updating the unit's firmware to the latest version.
Equalization
Equalizing the System
Steps and best practices for properly equalizing the audio system.
Subsonic and Tweeter Protection Filters
Presets Configuration
Utilizing preset memories for saving and recalling EQ and filter settings.
Advanced Discussions
In-Wall Volume Controls
Considerations for using in-wall volume controls with high-power amplifiers.
Installation of Multiple Units
Guidance on stacking multiple amplifier units and ventilation requirements.
Power and Circuit Requirements
Information on power consumption, BTU output, and breaker requirements.
Trim Control Usage
Explains the purpose and use of the 'Trim' controls for minor level adjustments.
Room Acoustics Considerations
Discusses challenges and requirements for bathrooms and large rooms.
Troubleshooting
Troubleshooting No Sound
Steps to diagnose and resolve issues when there is no audio output.
Troubleshooting Zone Status LEDs
Diagnosing issues when Zone Status LEDs are off, but Protection LED is off.
Troubleshooting Channel Status LED
Resolving issues when a Channel Status LED is red, indicating a fault.
Troubleshooting Intermittent Audio
Diagnosing and fixing audio channels that cut in and out.
Troubleshooting Protection LED
Steps to take when the Protection LED remains red after power cycling.
Troubleshooting Speaker Issues
Addressing speaker buzzing or crackling at high volume levels.
Troubleshooting Signal Issues
Diagnosing why Zone Status LEDs are blue, but no audio input signal is detected.
Troubleshooting Unit Power Off
Resolving issues where the unit cannot be triggered off.
Troubleshooting Volume Control
Determining if an in-wall volume control rated at 100 Watts is adequate.
Service
What to do if you need service
Procedure for contacting AudioControl for product service and repairs.
The Warranty
Conditional Warranty Conditions
Lists the conditions required to be met for warranty coverage.
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