Introduction
The Sangean MMR-88 DAB+ Survivor Radio is a robust and versatile portable radio designed for various environments, including outdoor and emergency situations. It features DAB+ and FM reception, multiple power sources including solar, dynamo crank, and USB charging, a built-in flashlight, and the ability to charge external devices. This manual provides essential information for the proper setup, operation, maintenance, and troubleshooting of your radio.
Setup
1. Unpacking
Carefully remove the radio and all accessories from the packaging. Ensure the following items are present:
- Sangean MMR-88 DAB+ Survivor Radio
- USB Charging Cable
- User Manual (this document)
2. Initial Charging
Before first use, it is recommended to fully charge the internal 850mAh Lithium-Ion battery. The radio offers several charging methods:
- Micro-USB Charging: Connect the supplied USB cable to the radio's Micro-USB input port and to a standard USB power adapter (not included) or a computer USB port. The 'CHARGE' indicator light will illuminate during charging and turn off when fully charged.
- Solar Charging: Place the radio with the solar panel facing direct sunlight. This method is ideal for maintaining charge or slow charging in outdoor conditions. The 'CHARGE' indicator light will illuminate when solar charging is active.
- Dynamo Crank Charging: Extend the dynamo crank handle located on the back of the radio. Rotate the crank clockwise or counter-clockwise at a steady pace to generate power. This method is effective for emergency power. The 'CHARGE' indicator light will illuminate during cranking.
Image: Rear view of the radio, highlighting the dynamo crank and antenna.
3. Antenna Extension
For optimal radio reception, fully extend the telescopic antenna. Adjust its position for the best signal clarity.
Operating Instructions
Image: Front panel controls of the radio.
1. Power On/Off
Press the POWER button (usually marked with ⓘ) to turn the radio on or off.
2. Mode Selection (DAB+/FM)
Press the BAND button to switch between DAB+ (Digital Audio Broadcasting Plus) and FM (Frequency Modulation) radio modes.
3. Tuning and Station Selection
- DAB+ Mode: Upon first use or after a reset, the radio will automatically scan for available DAB+ stations. Use the TUNING UP/DOWN buttons (▲ / ▼) to navigate through the list of available stations. Press SELECT to confirm your choice.
- FM Mode: Press the TUNING UP/DOWN buttons (▲ / ▼) to manually tune to a frequency. Press and hold these buttons for automatic scanning to the next available station.
4. Volume Control
Adjust the listening volume using the VOL + and VOL - buttons.
5. Presets
To save a station as a preset:
- Tune to the desired station.
- Press and hold the PRESET button until the display shows a preset number.
- Use the TUNING UP/DOWN buttons to select the desired preset number (1-10).
- Press SELECT to save the station.
To recall a preset station, briefly press the PRESET button, then use the TUNING UP/DOWN buttons to select the preset number, and press SELECT.
6. Flashlight Function
Image: Front view of the radio with the flashlight visible.
The radio includes an integrated LED flashlight. Press the dedicated FLASHLIGHT button (often located on the side or front) to cycle through different modes: On, Flashing, SOS, and Off.
7. Charging External Devices
The radio can act as a power bank to charge small external devices like smartphones via its USB-A output port. Connect your device's charging cable to the radio's USB-A output. Note that the radio's internal battery capacity (850mAh) is limited and may not fully charge larger devices.
8. Headphone Use
Connect standard 3.5mm headphones to the headphone jack for private listening. The internal speaker will be muted automatically.
Maintenance
1. Cleaning
Wipe the radio's exterior with a soft, damp cloth. Do not use abrasive cleaners or solvents, as these can damage the finish. Ensure all ports are dry before use or charging.
2. Battery Care
To prolong the life of the internal Lithium-Ion battery:
- Avoid fully discharging the battery frequently.
- If storing the radio for an extended period, charge it to approximately 50-70% capacity and recharge every 3-6 months.
- Avoid exposing the radio to extreme temperatures.
3. Storage
When not in use, store the radio in a cool, dry place away from direct sunlight and moisture. Ensure the antenna is retracted to prevent damage.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Radio does not power on. | Battery is depleted. | Charge the radio using Micro-USB, solar, or dynamo crank. |
| Poor radio reception. | Antenna not extended or positioned incorrectly; weak signal area. | Fully extend the antenna and adjust its direction. Move the radio to an open area or near a window. |
| No sound from speaker. | Volume too low; headphones connected. | Increase volume. Disconnect headphones if not intended for private listening. |
| External device not charging. | Radio battery too low; incorrect cable; device not compatible. | Ensure radio is sufficiently charged. Use a compatible USB cable. Verify device compatibility. |
| Display is blank or unreadable. | Radio off; low battery; display settings. | Turn radio on. Charge battery. Check if there are display contrast/backlight settings in the menu. |
Specifications
Image: Dimensions of the Sangean MMR-88 DAB+ Survivor Radio.
- Model: MMR-88 DAB (A500457)
- Brand: Sangean
- Tuner Technology: DAB+, FM
- Frequency: DAB+ (Band III: 174-240 MHz), FM (87.5-108 MHz)
- Power Source: Battery-Powered
- Battery Type: Integrated Lithium-Ion (850mAh, 3.7V)
- Charging Methods: Micro-USB (5V/0.5A), Solar Panel, Dynamo Crank
- Output: USB-A (for charging external devices)
- Hardware Interface: 3.5 mm audio (Headphone), USB (Micro-USB input, USB-A output)
- Display Type: LCD
- Special Features: Portable, Rechargeable, Built-in Flashlight
- Material: Plastic
- Product Dimensions (L x W x H): 15.2 x 6.4 x 8.5 cm
- Weight: 420 g
Warranty Information
The Sangean MMR-88 DAB+ Survivor Radio is covered by a manufacturer's warranty. Please refer to the warranty card included with your product packaging or visit the official Sangean website for detailed terms and conditions, including warranty duration and claim procedures. Keep your proof of purchase for warranty service.
Customer Support
For technical assistance, troubleshooting beyond this manual, or inquiries regarding your Sangean MMR-88 DAB+ Survivor Radio, please contact Sangean customer support. Contact information can typically be found on the Sangean official website or in the product packaging. When contacting support, please have your model number (MMR-88 DAB) and purchase details ready.