Ocean Digital DK-821B User manual

DK-821B
Desktop DAB+/DAB/FM
Radio Receiver
User Manual
Please read this user manual carefully before using the receiver

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Contents
1. Introduction to the DK-821B Desktop DAB+/DAB
/FM Radio Receiver ......................................4
2. Location of Controls ......................................6
3. Overview of Radio modes and functions ..........8
4. DAB Radio mode ...........................................9
5. Main Menu-Options and Settings ..................10
6. FM Mode ....................................................14
7. Station Preset and Recall .............................15
8. Bluetooth mode ...........................................16
9. Micro SD/TF Playback mode ........................17
10. Reboot Radio ..............................................18
11. Q & A ..........................................................19
12. Technical Specifications ..............................20
13. In the box ...................................................21

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The DK-821B Radio is a compact, multi-purpose and
attractive clock radio with 5V/1.2A power supply for long
hours of audio entertainment and a gateway into the world
of digital DAB and FM audio.
There are four different operating modes:
1) DAB - Digital Audio Broadcast Radio
• CD quality audio received by the attached pigtail
antenna
2) FM – Frequency Modulated Radio
• Listen to local FM Radio stations received by the
attached pigtail antenna
3) BT – Bluetooth Powered Speaker
• Play audio transmitted from a Bluetooth source e.g.
smart phone, laptop
4) SD – Micro SD/TF
• Play CD quality audio entertainment from MP3 files
stored on Micro SD/TF memory card
Introduction to the DK-821B Desktop
DAB+/DAB/ FM Radio Receiver
DAB
DAB
FM
FM
BT

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Precautions
ØConnect the power adaptor to the wall and the radio rear
DC jack for power supply – do not apply any other power
source or permanent damage to the radio may occur
and be hazardous.
ØTo clean use only a damp cloth and dry with a clean
towel - keep away from all liquids.
ØTo avoid loss of warranty do not attempt to repair or
remove the cover for any reason.
Introduction to the DK-821B Desktop
DAB+/DAB/ FM Radio Receiver
SD

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1
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5
4
8
9
10
11
12
13 14
15
16
Location of Controls
Top
Front
Back
Bottom
17

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Location of Controls
1. On/Standby ( ) – Press to power on the radio and
press again for standby
2. Info/Menu – Press to display radio station information
or Press and Hold for main menu
3. Mode/Scan – Press to switch between radio operating
modes i.e. DAB, FM, BT, and Micro SD/TF, or Hold for
full scan in DAB and FM modes.
4. Preset – Press and hold to add to preset list or press
and release to display the list
5. Sleep – Press to enter sleep setup mode
6. Alarm – Press to enter the alarm setup mode.
7. Tune/Select – Rotate the tune knob to highlight
different options, press to confirm selection.
8. Volume +/- – Rotate the volume knob to increase or
decrease volume level
9. Snooze/Dimmer – Press to dim the LCD backlight or
when alarm is sounding , press to active the snooze.
10. Large Display – 3x8cm monochrome LCD
11. Loud Speaker – high fidelity, 2 Watt output power
12. DC IN Connector – use the power adaptor provided
13. Headphone Connector – Stereo 3.5mm
14. Micro SD/TF – Card slot for audio file playback
15. Antenna – attached pigtail antenna for DAB and FM
modes
16. USB port – Provides USB power source (i.e. 5 Volts)
to charge battery of other USB devices e.g. smart
phone.
17. Battery Compartment – AAAx2 battery backup for
clock power when DC IN not connected

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Overview of Radio modes and functions
When the radio is turned on for the first time it will go to
DAB mode and scan for all available stations to create a
list.
To go to a different mode, press the Mode button
repeatedly to navigate through the modes to find and
select any of these functions:
1) DAB – After a full scan to create a list of available
stations; highlight and select a preferred station to start
playing.
2) FM – After a full scan to create a list of available local
stations; highlight and select a preferred station to start
playing.
3) BT (Bluetooth) – Switch your Bluetooth device to a
paring mode and look up the device named “DK-821B ”
from the list, select it to start pairing. When “Paired”
(connected) to another Bluetooth device, use the Radio
as a powered speaker. Maximum range of the Bluetooth
wireless signal is 10 meters but this may be reduced by
the presence of walls or other obstructions.
4) SD (Micro SD/TF) – Play audio files stored in MP3
format on Micro SD/TF memory card.
>>>-- 0
DAB

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DAB Radio mode
With the attached pig tail antenna fully extended, turn on
the radio and position antenna for strongest signal
reception.
If this is the initial/first time the radio is turned on, it will go
directly to DAB mode, automatically start a full station
scan, create a list of all the DAB stations found and when
finished, it is start playing the first station on the list.
If message “No DAB” is displayed, please press and hold
the Mode/Scan button to start a full scan.
To play a different station, rotate the Tune/Select knob to
display the station list; navigate the list to highlight the
next station to play, press the knob to select the station
and start playing.
>>>-- 0
DAB

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Main Menu – Options and Settings
To display the Main Menu, press and hold the Info/Menu
button until an option list is displayed. The Main menu is
not available if no radio station available on DAB mode.
To exit sub-menu, press Info/Menu button again to go
back to the previous menu.
Navigate the list to highlight an option; select by pressing
the Tune/Select button.
If there is no activity within 30 seconds the radio will return
to its previous function.
• Full Scan – Carry out a full scan to create or update list of
all DAB stations available
• Manual (Manual tune) – Manually select a station by its
transmission frequency and signal strength from the list
provided.
• DRC (Dynamic Range Control) – This function improves
the audio clarity when the DAB signal is poor or noisy by
selecting one of three options:
1) OFF (DRC Off) – No signal compression
FUL L SCA N
MANUAL
DRC
PRUNE
SYS TEM
1 2 DAB