Flyron Technology FN-T718

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Overview

Important Technical Specifications
Usage Features
Audio Storage and Management
Trigger Modes and Configuration
Volume Control
External Device Control
Maintenance Features

The FN-T718 is an industrial MP3 player designed for museum exhibits, talking displays, and other industrial/commercial applications, offering robust audio playback capabilities with multiple trigger options. It functions as a 7-input trigger audio player, providing stereo audio output.

Important Technical Specifications:

Working Voltage: 12-24V DC
Working Current:
- ≥8500mA @12V (with two 50W 8 ohm speakers)
- ≥4250mA @24V (with two 50W 8 ohm speakers)
Power Consumption: ≤100W
Flash Memory Size: 8MB (built-in)
Audio Format: MP3
External Storage Support:
- USB flash drive (max. 32GB)
- Micro SD card (max. 32GB)
Amplifier: Built-in 50W*2 class D amplifier
Trigger Inputs: 7 available inputs for push buttons, switches, or relays
Trigger Modes: 8 types, configurable via a text file
Audio Output: 3.5mm audio output jack for external amplifier or active speaker
Physical Dimensions: 108mm (including terminals) x 98mm x 28mm
Case Material: Solid and durable aluminum alloy
Trigger Version: Available in negative or positive trigger versions

Usage Features:

The FN-T718 offers a versatile range of features for managing and playing audio files, catering to various application needs.

Audio Storage and Management:

Built-in Memory: Comes with 8MB of built-in flash memory for storing audio files.
Extended Storage: Supports external storage devices, including USB flash drives (up to 32GB) and micro SD cards (up to 32GB), providing ample space for extensive audio libraries.
File Upload: Audio files can be uploaded by connecting the device's micro USB port to a computer using a USB data cable. When a micro SD card is inserted, the computer will detect two simulated USB flash drives (one for the built-in memory and one for the micro SD card), requiring users to identify the correct storage device.
Audio File Naming and Placement:
- For Trigger Modes 0-3, audio files should be placed in the root directory of the storage device. Files are associated with inputs K1-K7 based on their physical index order. To ensure correct one-to-one mapping, users are advised to create a new folder on their computer, rename files sequentially (e.g., 001.mp3 to 007.mp3), and then "Send to removable disk" from the first file (001.mp3) to ensure proper sequence.
- For Trigger Mode 4, files are recognized by name rather than physical index. Users can directly copy files to the root directory and rename them (e.g., 000.mp3 to 007.mp3) according to their needs.
- For Trigger Modes 5-7, users must create seven folders (01 to 07) in the root directory of the storage device. Audio files are then copied into these associated folders, renamed sequentially (e.g., 001.mp3, 002.mp3, etc.). The device recognizes files by physical index order within these folders, so the copy order is important. Filenames can include descriptive text (e.g., 001-Never Say Goodbye.mp3).

Trigger Modes and Configuration:

The device supports 8 distinct trigger modes, which can be easily configured using a text file named "Config.txt" (or any other chosen name) placed in the root directory of the storage device along with the audio files or folders. If no config file is present, the device defaults to Mode "0".

Mode 0 (Interruptible Playback): Short press a button to start playing. Pressing the button again interrupts playback and restarts the file from the beginning.
Mode 1 (Hold to Play): Press and hold the button to play repeatedly. Releasing the button stops playback.
Mode 2 (Non-Interruptible Playback): Short press a button to start playing. Pressing the button again during playback will NOT interrupt the current file.
Mode 3 (Control Panel Mode): K1 acts as "Next", K2 as "Previous", K3 as "Play/Pause", K4 as "Stop", K5 as "Volume Up", K6 as "Volume Down", and K7 as "Random playback" (plays a random sound after each trigger). A special function allows K1 to be short-circuited to GND; if this mode is set in the config file and power is applied, the board can play a sound in a loop or multiple sounds one by one in a loop until power is off. This mode allows for more than 7 audio files.
Mode 4 (Background Loop with Interrupt): When power is applied, 000.mp3 plays in a loop. Any button from K1 to K7 (associated with 001.mp3 to 007.mp3) can interrupt the loop to play its associated sound file. Once the associated file finishes, 000.mp3 resumes looping.
Mode 5 (Folder-based Sequential Playback - Interruptible): Each button (K1-K7) is associated with a folder (01-07). Each folder can contain multiple files (e.g., 001.mp3 to 030.mp3). A short press plays 001.mp3. Subsequent short presses play the next file (002.mp3, etc.). When the last file plays, the next press cycles back to 001.mp3. During playback, pressing the button again interrupts the current file and plays the next one.
Mode 6 (Folder-based Sequential Playback - Non-Interruptible): Similar to Mode 5, but playback is uninterruptible.
Mode 7 (Folder-based Ordered Playback with Interrupt): Each button (K1-K7) is associated with a folder (01-07). A short press plays all sound files in the folder in order. During playback, pressing the button again interrupts the current file, plays the next file, and continues playing the rest of the files. When the last file finishes, playback stops.

Volume Control:

Volume Knob: An adjustable volume knob controls the speaker outputs.
Config File Volume Setting: Users can also set the volume level (00-30, where 00 is mute and 30 is max) within the config file. This setting affects both speaker outputs and the 3.5mm audio jack output. To set volume, enter the mode number followed by the volume level (e.g., "120" for Mode 1 with volume level 20).

External Device Control:

The device is capable of driving external equipment, such as a warning light or a motor, simultaneously with audio playback.

Maintenance Features:

Durable Construction: Adopts a solid and durable aluminum alloy case, ensuring longevity in industrial environments.
Anti-jamming Capability: Industrial-grade design provides strong anti-jamming capabilities, enhancing reliability.
Config File for Settings: All operational settings, including trigger modes and volume levels, are managed through a simple text-based config file, making it easy to update or change device behavior without complex programming.
Easy File Management: Audio files can be easily copied to or from the device's storage (built-in flash, micro SD, USB drive) using a standard USB data cable and a computer, simplifying content updates.
Clear Wiring Examples: The manual provides clear wiring diagrams for both negative and positive trigger versions, facilitating correct installation and troubleshooting.