Introduction
Thank you for purchasing the Aiwa BBTU-500DAB/RD Portable CD Radio. This device offers a versatile audio experience with DAB+ and FM radio, CD/MP3 playback, Bluetooth 5.0 connectivity, USB media playback, and an auxiliary input. This manual provides essential information for safe and efficient operation of your device. Please read it thoroughly before use and retain it for future reference.
Figure 1: Front view of the Aiwa BBTU-500DAB/RD Portable CD Radio, showing the display, control buttons, and speaker grilles.
Safety Information
To ensure safe operation and prevent damage, please observe the following precautions:
- Do not expose the unit to rain, moisture, or extreme temperatures.
- Avoid placing the unit near heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
- Use only attachments/accessories specified by the manufacturer.
- Unplug this apparatus during lightning storms or when unused for long periods.
- Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way.
- Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.
- Ensure proper battery installation and disposal according to local regulations.
What's in the Box
Carefully unpack the contents and ensure all items are present:
- Aiwa BBTU-500DAB/RD Portable CD Radio unit
- AC Power Cable
- Remote Control
- AAA/LR03 Alkaline Batteries (x2 for remote control)
- User Manual (this document)
Product Overview
Main Unit Controls and Display
The front panel features a 2.4" Full Color TFT LCD Screen, control buttons for power, mode, volume, tuning, and playback, and speaker grilles. The top-loading CD player is located on the top surface.
Remote Control
The included remote control provides convenient access to all functions from a distance.
Figure 2: The remote control for the Aiwa BBTU-500DAB/RD, showing various function buttons.
Key remote control buttons include: Power, Mode, Volume Up/Down, Play/Pause, Skip/Scan, Stop, Info, Repeat, Mute, EQ, Preset, and Program.
Setup
Power Connection
The unit can be powered by AC mains or batteries.
- AC Power: Connect the supplied AC power cable to the AC input on the rear of the unit and then to a standard wall outlet (AC 110-230V~50/60Hz).
- Battery Power: For portable use, insert 6 x 1.5V UM-2 (C-size) batteries (not included) into the battery compartment on the bottom of the unit. Ensure correct polarity.
Antenna Setup
Extend the telescopic antenna fully for optimal DAB+ and FM radio reception. Adjust its position for the best signal quality.
Operating Instructions
General Operation
- Power On/Off: Press the POWER button on the unit or remote control.
- Volume Control: Use the VOL + or VOL - buttons on the unit or remote.
- Mode Selection: Press the MODE button to cycle through available modes: CD, DAB+, FM, Bluetooth, USB, AUX.
CD Playback
- Press MODE to select CD mode.
- Open the CD compartment lid.
- Place a CD (CD/CDR/RW/MP3) with the label side facing up.
- Close the CD compartment lid. The disc will begin playing automatically.
- Use PLAY/PAUSE, STOP, SKIP (forward/backward) buttons for control.
- Program Play: In stop mode, press PROG to program up to 20 CD tracks or 99 MP3 tracks.
- Repeat Play: Press REPEAT to repeat current track, all tracks, or a folder (for MP3).
DAB+ Radio Operation
- Press MODE to select DAB+ mode.
- The unit will automatically scan for available DAB+ stations upon first use or if no stations are found.
- Use the TUNE +/- buttons to navigate through the station list.
- Preset Stations: To save a station, press and hold the PRESET button until the display shows "Preset Store". Use TUNE +/- to select a preset number (1-40), then press ENTER to confirm. To recall, press PRESET briefly, then use TUNE +/- to select.
FM Radio Operation
- Press MODE to select FM mode.
- Auto Scan: Press and hold SCAN to automatically scan and save FM stations.
- Manual Tuning: Press TUNE +/- briefly to fine-tune the frequency.
- Preset Stations: Similar to DAB+, save up to 40 FM stations using the PRESET button.
- RDS Function: When available, RDS (Radio Data System) information will be displayed.
Bluetooth Pairing
- Press MODE to select Bluetooth mode. The display will show "Bluetooth Pairing" or similar.
- On your Bluetooth-enabled device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "BBTU-500DAB" from the list.
- Once paired, you can stream audio from your device to the Aiwa BBTU-500DAB/RD.
- The wireless range is approximately 10 meters (33 feet).
USB Playback
- Insert a USB flash drive (up to 64GB) containing MP3 files into the USB port.
- Press MODE to select USB mode.
- The unit will automatically detect and begin playing MP3 files.
- Use playback controls (PLAY/PAUSE, SKIP) as with CD playback.
- Program Play: Program up to 99 MP3 tracks.
Auxiliary Input (AUX-IN)
- Connect an external audio device (e.g., MP3 player, smartphone) to the 3.5mm AUX-IN jack using a 3.5mm audio cable (not included).
- Press MODE to select AUX mode.
- Control playback from your external device.
Alarm Clock and Timer
The unit features a digital clock (24-hour format), dual alarm clock, and an auto-off timer. Refer to the on-screen menu for detailed settings. Alarms can be set to activate CD, radio, or USB playback.
Equalizer Settings
Press the EQ button on the remote control to cycle through preset equalizer modes: FLAT, ROCK, POP, JAZZ, CLASSIC. This adjusts the audio output for different music genres.
Maintenance
Cleaning
- Wipe the unit with a soft, dry cloth.
- Do not use abrasive cleaners, waxes, or solvents.
- For the CD lens, use a specialized CD lens cleaner.
CD Care
- Handle CDs by their edges to avoid fingerprints.
- Store CDs in their cases when not in use.
- Clean dirty CDs with a soft, lint-free cloth, wiping from the center outwards.
Battery Replacement
When the remote control's range decreases, replace the two AAA/LR03 batteries, ensuring correct polarity. For the main unit, replace the C-size batteries when the unit's performance degrades or it fails to power on.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power cable not connected; Batteries depleted/incorrectly inserted | Check AC cable connection; Replace/reinsert batteries correctly |
| No sound | Volume too low; Mute activated; Incorrect mode selected | Increase volume; Deactivate Mute; Select correct input mode |
| CD not playing | CD inserted incorrectly; CD dirty/scratched; Disc format not supported | Reinsert CD correctly; Clean/replace CD; Ensure CD/CDR/RW/MP3 format |
| Poor radio reception | Antenna not extended/positioned correctly; Weak signal area | Extend and adjust antenna; Try moving the unit to a different location |
| Bluetooth pairing fails | Device too far; Bluetooth not enabled on external device; Unit not in pairing mode | Ensure devices are within 10m; Enable Bluetooth on external device; Select Bluetooth mode on unit |
| USB not recognized | USB drive not formatted correctly; Unsupported file type; Drive capacity too large | Ensure FAT32 format; Use MP3 files; Max 64GB USB drive |
Specifications
- Model: BBTU-500DAB/RD
- Power Supply: AC 110-230V~50/60Hz; DC 9V (6 x 1.5V UM-2 Batteries, not included)
- Audio Output Power: 2 x 3W RMS = 6W RMS
- Display: 2.4" Full Color TFT LCD Screen with LED Backlight
- Bluetooth: v5.0 + EDR (A2DP profile), minimum 10m wireless range
- CD Player: Top-load, supports CD/CDR/RW/MP3 discs
- CD Program Memory: 20 tracks (CD), 99 tracks (MP3-CD)
- Radio: DAB+ / FM Band III with RDS function
- Radio Presets: 40 DAB+, 40 FM
- USB Player: Supports MP3, up to 64GB
- Aux-in: 3.5mm jack
- Headphone Jack: 3.5mm Stereo
- Clock: Digital, 24-hour format
- Alarm: Dual alarm with auto-off timer
- Equalizer: 5 preset (FLAT/ROCK/POP/JAZZ/CLASSIC)
- Dimensions (W x D x H): 260 x 220 x 128 mm (10.24 x 8.66 x 5.04 inches)
- Weight: 1.2 kg (2.64 lbs)
Warranty and Support
Aiwa products are designed and manufactured to the highest quality standards. For warranty information and technical support, please refer to the warranty card included with your purchase or visit the official Aiwa website. Keep your proof of purchase for any warranty claims.
