1. Introduction
The Denver DAB-20 is a versatile DAB+ adapter designed to upgrade your existing stereo system with digital radio capabilities. It allows you to enjoy a wide range of DAB+ and FM radio stations, enhancing your audio experience. This manual provides detailed instructions for setting up, operating, and maintaining your DAB-20 adapter.
2. Important Safety Information
- Do not expose the unit to rain or moisture to prevent fire or electric shock.
- Do not open the cabinet. There are no user-serviceable parts inside. Refer all servicing to qualified personnel.
- Ensure proper ventilation around the unit. Do not block ventilation openings.
- Keep the unit away from direct sunlight, heat sources, and strong magnetic fields.
- Use only the power adapter supplied with the unit.
- Disconnect the power plug from the wall outlet if the unit is not used for a long period.
3. Package Contents
Please check that all items are present:
- Denver DAB-20 DAB+ Adapter
- Remote Control
- AUX Audio Cable
- Power Adapter (DC 5V)
- User Manual (this document)
4. Product Overview
4.1 Front Panel
The front panel features the 2.4-inch monochrome display, which shows station information, time, and menu options. The Denver logo is prominently displayed at the top.
4.2 Rear Panel
The rear panel provides all necessary connection ports:
- Audio Out: 3.5mm jack for connecting to your stereo system via the AUX cable.
- Ant: Connector for the DAB+/FM antenna.
- DC IN 5V: Power input for the supplied power adapter.
- On/Off: Main power switch for the unit.
4.3 Remote Control
The remote control provides full functionality for operating the DAB-20 adapter. Key buttons include:
- Power: Turns the unit on or off.
- Mute: Mutes or unmutes the audio output.
- 0-9: Numeric buttons for direct station selection or input.
- Alarm 1/2: Sets or activates Alarm 1 or Alarm 2.
- Navigation (Up/Down/Left/Right): Navigates through menus and station lists.
- Select: Confirms selections.
- Mode: Switches between DAB+ and FM radio modes.
- CLK Set: Sets the clock.
- Info: Displays additional station information.
- Sleep: Activates the sleep timer.
- Scan: Initiates a scan for radio stations.
- Dimmer: Adjusts display brightness.
- Menu: Accesses the main menu.
- Recall: Recalls previously stored presets.
5. Setup
Follow these steps to set up your Denver DAB-20 adapter:
- Connect the Antenna: Connect the supplied DAB+/FM antenna to the 'Ant' port on the rear of the DAB-20 adapter. Extend the antenna fully for optimal reception.
- Connect to Stereo System: Use the provided AUX audio cable to connect the 'Audio Out' port on the rear of the DAB-20 to an available AUX input (or similar audio input) on your existing stereo system.
- Connect Power: Plug the DC 5V power adapter into the 'DC IN 5V' port on the rear of the DAB-20, then plug the adapter into a wall outlet.
- Power On: Flip the 'On/Off' switch on the rear panel to the 'On' position. The display on the front panel should light up.
- Initial Scan (DAB+): Upon first power-on, the unit will typically perform an automatic scan for DAB+ stations. Allow this process to complete. Once finished, the first available station will start playing.
- Select Input on Stereo System: Switch your stereo system's input source to the AUX input where the DAB-20 is connected.
6. Operating Instructions
6.1 Power On/Off
After the initial setup, you can turn the unit on or off using the 'Power' button on the remote control. The main 'On/Off' switch on the rear panel is for a complete power cycle or when storing the unit.
6.2 Mode Selection (DAB+/FM)
Press the 'Mode' button on the remote control to switch between DAB+ radio and FM radio modes.
6.3 DAB+ Radio Operation
- Scanning for Stations: In DAB+ mode, press the 'Scan' button on the remote control to perform a full scan for available DAB+ stations. The display will show the scanning progress.
- Selecting Stations: Use the 'Up' or 'Down' navigation buttons on the remote to browse through the list of available stations. Press 'Select' to tune into the desired station.
- Storing Presets: To store a station as a preset, tune to the desired station, then press and hold one of the numeric buttons (1-10) on the remote until the display confirms the preset has been saved.
- Recalling Presets: To recall a stored preset, simply press the corresponding numeric button (1-10) on the remote.
- Info Display: Press the 'Info' button to cycle through various information displays, such as program type, signal strength, bit rate, and date/time.
6.4 FM Radio Operation
- Scanning for Stations: In FM mode, press the 'Scan' button to automatically scan and store available FM stations.
- Manual Tuning: Use the 'Left' or 'Right' navigation buttons to fine-tune the frequency manually.
- Storing Presets: Tune to the desired FM station, then press and hold one of the numeric buttons (1-10) on the remote until the display confirms the preset has been saved.
- Recalling Presets: Press the corresponding numeric button (1-10) to recall a stored FM preset.
6.5 Alarm Function
The DAB-20 features two independent alarms. To set an alarm:
- Press the 'Alarm 1' or 'Alarm 2' button on the remote.
- Use the navigation buttons to set the alarm time, alarm source (DAB, FM, or Buzzer), and alarm volume.
- Press 'Select' to confirm each setting.
- Ensure the alarm is set to 'On' in the final step.
6.6 Sleep Timer
The sleep timer allows the unit to turn off automatically after a set period:
- Press the 'Sleep' button on the remote control.
- Repeatedly press 'Sleep' to cycle through the available sleep timer durations (e.g., 15, 30, 45, 60, 90 minutes, or Off).
- The display will show the selected duration. The unit will power off automatically once the timer expires.
6.7 Display Dimmer
Press the 'Dimmer' button on the remote control to adjust the brightness level of the display.
7. Maintenance
7.1 Cleaning
To clean the unit, wipe the surfaces with a soft, dry cloth. Do not use abrasive cleaners, waxes, or solvents as these may damage the finish. Ensure the unit is unplugged from the power source before cleaning.
7.2 Storage
If you plan to store the DAB-20 for an extended period, disconnect it from the power outlet and store it in a cool, dry place, away from direct sunlight and extreme temperatures.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power adapter not connected; Main power switch off. | Ensure power adapter is securely plugged in; Flip the 'On/Off' switch on the rear to 'On'. |
| No sound | AUX cable not connected; Stereo system input incorrect; Volume too low; Unit muted. | Check AUX cable connection; Select correct input on stereo system; Increase volume on both DAB-20 and stereo; Press 'Mute' on remote. |
| Poor reception (DAB+/FM) | Antenna not extended or poorly positioned; Weak signal in area. | Fully extend and reposition the antenna; Try moving the unit to a different location; Perform a new station scan. |
| Remote control not working | Batteries depleted; Obstruction between remote and unit. | Replace remote control batteries; Ensure a clear line of sight to the unit's front panel. |
9. Specifications
- Model: DAB-20
- Display: 2.4-inch Monochrome LCD
- Radio Modes: DAB+, FM
- Presets: 10 DAB+, 10 FM
- Connectivity: 3.5mm AUX Audio Out
- Power Input: DC 5V
- Dimensions (L x W x H): 17.1 x 0.5 x 10.5 cm (6.73 x 0.2 x 4.13 inches)
- Weight: 250 g (0.55 lbs)
- Color: Black
- Included Components: AUX cable
10. Warranty and Support
This product is covered by a warranty in accordance with local consumer protection laws. For detailed warranty information, please refer to the warranty card included with your product or contact your retailer. For technical support or service inquiries, please visit the official Denver website or contact their customer service department.