TECSUN M-801 Multi-functional FM Radio Recorder

Introduction

The TECSUN M-801 is a versatile portable radio designed for a wide range of audio and utility functions. It combines FM radio reception with Bluetooth connectivity, a music player, and a recording function. Additionally, it features a built-in flashlight and an SOS alarm for emergencies, making it a truly multi-functional device for various environments.

NOTE: The operating interface keys and manuals are in Chinese. Familiarity with Chinese is recommended for full utilization of all features.

Product Overview

Front View

Figure 1: Front view of the TECSUN M-801 radio in orange, showing the display, speaker, and control buttons.

Control Panel and Display

Figure 2: Close-up of the control panel, highlighting the display (showing FM 100.8 MHz and temperature), power button, tuning knob, and various function buttons (Music, Bluetooth, Recording Library, Time, Alarm Clock, Show Mode, Favorite, Store/Delete, Volume controls).

Right Side View (Ports and Controls)

Figure 3: Right side of the M-801, featuring a multi-function knob, stereo headphone output, and a USB Type-C charging port. The Type-C port allows for convenient, reversible connection.

Left Side View (Lighting/SOS)

Figure 4: Left side of the M-801, showing the Lighting/SOS key switch and the high brightness LED light.

Back View (Battery Compartment)

Figure 5: Back view of the M-801, indicating the 18650 type 3.7V lithium battery section and power supply details. The battery can only be replaced with the same type or equivalent.

Bottom View (Reset Key and TF Card Slot)

Figure 6: Bottom view of the M-801, showing the built-in reset key (small hole) and the TF memory card socket.

Key Features Overview

Figure 7: Visual representation of the M-801's extensive features.

Setup

1. Battery Installation

   The M-801 uses an 18650 type 3.7V lithium battery. To install or replace the battery, refer to the battery compartment on the back of the device (Figure 5). Ensure the battery is inserted with the correct polarity. Only replace with the same type or an equivalent battery.

2. Charging

   Connect a DC 5V1A charger/power adapter (sold separately) to the USB Type-C charging port located on the right side of the device (Figure 3). The device supports intelligent USB charging. The display will indicate charging status.

3. TF Card Insertion

   For music playback and recording storage, insert a TF memory card into the TF card socket on the bottom of the device (Figure 6). The device supports TF cards up to a maximum of 128GB (purchased separately).

Operating Instructions

General Operation

• Power On/Off: Press the power button (usually marked with a circle and a vertical line) on the control panel.
• Volume Control: Use the dedicated Volume buttons or the multi-function knob on the right side to adjust the sound level.
• Multi-function Display: The screen can display power status, current radio frequency, time, and temperature.

FM Radio

Figure 8: Illustration of FM radio reception and frequency setting options.

• Tuning: Use the tuning knob or frequency adjustment buttons to find desired FM stations.
• Frequency Range: The M-801 supports an FM receiving range of 64-108MHz.
• Setting Frequency Coverage: Repeatedly press the [FM] key to cycle through different frequency coverage options: 64-108MHz (for Russia, Caucasus, and other regions), 76-108MHz (for Japan), 87-108MHz (for China and some European countries), and 88-108MHz (for Australia and other countries).
• Automatic Storage Station (ATS): Use the ATS function to automatically scan and save available radio stations.
• Favorite Programs: The device includes shortcut keys for favorite programs/stations.

Bluetooth Reception

Figure 9: Depiction of the radio in Bluetooth mode.

• Pairing: Activate Bluetooth mode on the M-801 and search for it on your mobile device. Pair the devices.
• Version: Supports Bluetooth 2.4G and 5.0 versions.
• Hands-free: Functions as a portable Bluetooth speaker, supporting mobile phone hands-free calls.

Music Player

• Supported Formats: Plays 16bit/44.1k FLAC/WAV/WVMA and MP3 format music files from the TF card.
• Breakpoint Resume: The player supports resuming playback from where it left off.

Recording Function

Figure 10: Overview of recording capabilities.

• Recording Methods: Supports broadcast recording (from FM radio), Bluetooth recording (from connected devices), and live recording (via built-in microphone).
• Recording Format: Live and telephone recordings are mono MP3. Broadcast and Bluetooth (non-telephone) recordings are Stereo MP3.
• Storage: Recordings are saved to the inserted TF card.

Lighting Function

• The M-801 features a high brightness LED light on its left side (Figure 4). Activate it using the Lighting/SOS key switch.

SOS Call for Help Function

• To activate the distress alarm, long press the [Illumination/SOS] button on the left side (Figure 4).
• The display will show "SOS". The device will sound an alarm and flash the international distress signal (three short, three long, three short) to attract attention.
• Note: The volume of the SOS alarm is not adjustable.

Alarm Clock and Sleep Shutdown

• Timing Automatic Startup: Set a specific time for the radio to automatically turn on.
• Smart Sleep Shutdown: Configure the device to automatically turn off after a set period (1-120 minutes).

Computer Speaker Function

• The M-801 can be connected to a computer and used as an external speaker.

Lock Function

• Engage the lock function to prevent accidental button presses.

Maintenance

• Keep the device dry and clean. Avoid exposure to extreme temperatures, humidity, or direct sunlight.
• Clean the exterior with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
• When replacing the battery, ensure it is an 18650 type 3.7V lithium battery of the same type or equivalent.
• If the device becomes unresponsive, use the built-in reset key (small hole on the bottom, Figure 6) by gently pressing it with a thin, non-metallic object.

Troubleshooting

Specifications

Figure 11: Comprehensive table of M-801 technical specifications.

User Tips

• Language Barrier: As the interface is in Chinese, it is highly recommended to use a translation app or refer to this manual for button identification and function understanding.
• Battery Life: To maximize battery life, consider turning off the device when not in use and utilizing the Smart Sleep Shutdown feature.
• TF Card Management: Regularly back up important recordings or music files from your TF card to prevent data loss.
• SOS Function: Familiarize yourself with the SOS function's location and activation method for emergency situations. Remember the alarm volume is fixed.
• Charging: Always use a compatible DC 5V1A charger to ensure safe and efficient charging.

Warranty and Support

For warranty information and technical support, please refer to the documentation provided with your purchase or contact the seller directly. Keep your proof of purchase for any warranty claims.