DM DM2218B Sound Board Troubleshooting Guide and User Manual

The DM2218B Sound Board manual provides troubleshooting steps, installation instructions, operation modes, and technical specifications.


DM DM2218B Sound Board Troubleshooting Guide and User Manual - cover page
Brand
D&M
Category
Audio Power Amplifier
Document type
User Manual
Language
English
Pages
2
File format
PDF
File size
30 KB
Published
29 September, 2026
Updated
29 September, 2026
MD5 checksum
2268799EA25BA430F54574AB0DC32A30

About this manual

This guide covers troubleshooting procedures, file preparation, and configuration for the DM2218B sound board. It explains how to change file extensions, create CFG files, and resolve common issues such as no sound, wrong sound, and speed problems.

The document also includes an installation guide, terminal block descriptions, power and audio connections, and detailed specifications of the board’s operation modes, memory, supply voltage, and audio output.

What's inside

  • Trouble Shooting Guide
  • Installation Guide
  • Specifications
  • Operation Modes
  • Terminal Block Descriptions
  • CompactFlash Card Programming
  • Mechanical Drawing

Specifications

Operationplayback only
Sound File FormatWindows PCM (.wav) 8-bit mono
Sampling Rate6, 8, 11.025, 16, or 22.05 KHz
Maximum Number of Sound Segments (Direct Mode)8
Maximum Number of Sound Segments (Binary Mode)128
Maximum Number of Sound Segments (Sequential Mode)128
Memory TypeCompactFlash card (type 1, 5V), 8 ~ 128 MB
Supply Voltage6, or 9 ~ 12 VDC
Audio Output1 W max. (4 Ω load), bridged output
Physical Dimensions3.0" x 4.2"

Frequently asked questions

How do I change the filename extension of a .wav file?

Open Windows Control Panel, select Folder Options, go to the File Types tab, highlight the WAV extension and enable "Always show extension".

How do I create the CFG configuration file?

Use Notepad to type the configuration letters, then save the file with a .CFG extension, selecting "All Files" and "ANSI" encoding.

What are common causes for "no sound" on the board?

Possible causes include an incorrect filename extension, the board being in the wrong mode due to a missing or wrong CFG file, inserting the CF card while power is on, or using a CF card formatted in a non‑standard way.

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