Roberts Radio Zoombox 4 CD Radio Bluetooth Boombox User Guide
- June 13, 2024
- Roberts Radio
Table of Contents
Roberts Radio Zoombox 4 CD Radio Bluetooth Boombox
Product Information
The Zoombox 4 is a multimedia device equipped with a CD mechanism and built-in safeguards. It features an optical laser beam system. The unit is designed to provide entertainment by playing CDs.
Safety Precautions
- Avoid placing the unit near sources of heat, direct sunlight, or objects filled with liquids.
- Never place candles or naked flames on or near the unit to prevent the risk of fire.
- Do not expose the unit to rain, moisture, dripping, or splashing to avoid electric shock or product damage.
- In case of liquid spillage, immediately switch off the unit at the mains, unplug it, and consult your dealer.
- Ensure that ventilation vents are not obstructed by curtains or other materials to prevent overheating and fire hazards.
- Keep a minimum of 10cm of space around the unit for proper ventilation.
- Disconnect the unit from the mains supply before connecting/disconnecting other devices or moving it.
- During a lightning storm, unplug the unit from the mains socket.
- The unit may become warm when used for a long period, which is normal and not indicative of a problem.
- Avoid opening the unit as it contains dangerous voltage. Refer to qualified service personnel for any servicing needs.
- Avoid direct exposure to the laser beam emitted by the unit when open or when interlock failed or defeated.
Mains Cable
- Ensure that the unit is not resting on top of the mains cable to prevent damage and safety hazards.
- If the mains cable is damaged, it should only be replaced by the manufacturer, its service agent, or qualified persons to avoid hazards.
Interference
Avoid placing the unit near appliances that may cause electromagnetic
interference, as it may affect the operating performance and result in
distorted sound.
Supervision
- Children should be supervised to prevent them from playing with the unit.
- Never allow anyone, especially children, to insert objects into the holes, slots, or any other openings of the unit to avoid fatal electric shock.
Service/Maintenance
To reduce the risk of electric shock, do not remove screws as the unit does
not contain any user-serviceable parts. Please seek professional service or
maintenance if needed.
Safety Precautions
- Read all the instructions carefully before using the unit and keep them for future reference.
- Check that the voltage marked on the rating label matches your mains voltage.
- The unit must be placed on a flat stable surface and should not be subjected to vibrations.
- Do not place the unit on sloped or unstable surfaces as the unit may fall off or tip over.
- The mains socket must be located near the unit and should be easily accessible.
- Avoid extreme degrees of temperature, either hot or cold. Place the unit well away from heat sources such as radiators or gas/electric fires. Avoid exposure to direct sunlight and other sources of heat.
- Never place any type of candle or naked flame on the top of or near the unit.
- To reduce the risk of fire, electric shock or product damage, do not expose this unit to rain, moisture, dripping or splashing. No objects filled with liquids, such as vases, should be placed on the unit.
- If you spill any liquid into the unit, it can cause serious damage. Switch it off at the mains immediately. Withdraw the mains plug and consult your dealer.
- To prevent the risk of electric shock or fire hazard due to overheating, ensure that curtains and other materials do not obstruct the ventilation vents.
- Do not install or place this unit in a bookcase, built-in cabinet or in another confined space, ensure that a minimum of 10cm should be kept around the apparatus for ventilation.
Safety
- Always disconnect the unit from the mains supply before connecting/disconnecting other devices or moving the unit.
- Unplug the unit from the mains socket during a lightning storm.
- This unit will become warm when used for a long period of time. This is normal and does not indicate a problem with the unit.
CAUTION
RISK OF ELECTRIC SHOCK DO NOTOPEN
- The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the unit’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock.
- The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the manual accompanying the unit.
INVISIBLE LASER RADIATION WHEN OPEN AND INTERLOCK FAILED OR DEFEATED. AVOID DIRECT EXPOSURE TO LASER BEAM.
LASER SAFETY
This unit employs an optical laser beam system in the CD mechanism, designed
with built-in safeguards. Do not attempt to disassemble, refer to qualified
service personnel. Exposure to this invisible laser light beam may be harmful
to the human eye.
THIS IS A CLASS-1 LASER PRODUCT.USE OF CONTROLS,OR ADJUSTMENTS OR PROCEDURES
OTHER THAN THOSE SPECIFIED HEREIN, MAY RESULT IN HAZARDOUS LASER LIGHT BEAM
EXPOSURE.
Mains Cable
- Make sure the unit is not resting on top of the mains cable, as the weight of the unit may damage the mains cable and create a safety hazard.
- If the mains cable is damaged it must be replaced by the manufacturer, its service agent, or similarly qualified persons in order to avoid a hazard.
Interference
- Do not place the unit on or near appliances which may cause electromagnetic interference. If you do, it may adversely affect the operating performance of the unit, and cause a distorted sound.
Supervision
- Children should be supervised to ensure that they do not play with the unit.
- Never let anyone especially children push anything into the holes, slots or any other openings in the case – this could result in a fatal electric shock.
Service/Maintenance
- To reduce the risk of electric shock, do not remove screws. The unit does not contain any user serviceable parts. Please leave all maintenance work to qualified personnel.
- Do not open any fixed covers as this may expose dangerous voltages.
- Ensure to unplug the unit from the mains socket before cleaning.
- Do not use any type of abrasive pad or abrasive cleaning solutions as these may damage the unit’s surface.
- Do not use liquids to clean the unit.
The symbol indicates DC voltage
The symbol indicates AC voltage
The symbol indicates class II equipment
For indoor use only
RECYCLING This product bears the selective sorting symbol for Waste electrical
and electronic equipment (WEEE). This means that this product must be handled
pursuant to European directive 2012/19/EU in order to be recycled or
dismantled to minimize its impact on the environment. User has the choice to
give his product to a competent recycling organization or to the retailer when
he buys a new electrical or electronic equipment.
CAUTION
Risk of explosion if battery is replaced by an incorrect type
WARNING
To avoid replacement of a battery with an incorrect type
Don’t disposal of a battery into fire or a hot oven, or mechanically crushing
or cutting of a Battery. Don’t leaving a battery in an extremely high
temperature surrounding environment
To avoid battery subjected to extremely low air pressure.
Product Overview
Top View
-
Handle
-
Standby / Sleep Button
-
Mode / Clock Button
-
Dimmer / Timer Button
-
Info / Menu Button
-
Tuning / Skip Button
-
Tuning / Skip Button
-
Enter / Stop Button
-
Pair / Play Pause Button
-
Volume – Button
-
Volume + Button
-
CD Door
Front View -
Speaker -
Display
-
USB 5V 1A Charging Port
-
Folder − / 1 Button
-
Folder + / 2 Button
-
Intro/3+ Button
-
Repeat / Random / EQ Button 3
Right View -
Aux In Socket
-
Earphone Jack
Rear View
-
Rod Antenna
-
Battery Compartment
-
Power supply
Unpacking
Remove all items from the packaging. Retain the packaging. If you dispose of
it, please do so according to local regulations.
The following items are included
Power Source
Mains Power
Unwind the mains cable to its full length. Connect the end of the mains
cable to the AC IN ~ Socket at the rear of the unit and then connect the
another end to a mains outlet. Make sure the mains plug is firmly inserted
into the mains socket. The unit is now ready to use.
Battery Power (Optional)
Insert 6 X 1.5V R14/C batteries (not included) correctly by following the
polarity (+ or –) indications in the battery compartment.
When the batteries are completely exhausted, the power is turned off.
Handling the Batteries
- Improper or incorrect use of batteries may cause corrosion or battery leakage, which could cause personal injury or damage to property.
- Install the batteries correctly by following the polarity (+ and –) indications in the battery compartment.
- Use only the types of batteries which are indicated in this manual.
- Do not install new batteries with used ones and do not mix different types of batteries.
- Do not dispose of the used batteries as domestic waste. Dispose of them in accordance with local regulations.
- If you are not going to use the unit for a long time, remove the batteries to avoid damage from battery leakage and corrosion.
- Due to the short battery life span of some alkaline batteries, it is recommended to use rechargeable batteries. You will need to purchase a charger to charge the rechargeable batteries. This saves cost and is more environment-friendly.
General Operation
Powering ON/OFF
When you first connect the unit, the display will show “00:00 Scan Time” and
will attempt to synchronize to the current local time if you can receive a DAB
signal in your location. After approximately one minute, it will switch to
Standby mode.
- Press the button to switch the unit to ON mode.
- Press the button to switch the unit back to STANDBY mode.
- Disconnect the mains plug from the mains socket if you want to power off the unit off completely.
While using battery power
- Press and hold the button to switch on the unit.
- Press the button again to switch off the unit.
Selecting Modes
Press the button repeatedly to switch between DAB, FM, CD, USB, Bluetooth® and
AUDIO IN (AUX) modes.
Adjusting the Volume
Press the and buttons to increase/decrease the volume.
Time Setting
Auto setting the clock
The clock can be updated automatically if you can receive a DAB signal in your location. In order to synchronize to the current local time you must leave it on the DAB station for a short period of time.
Manually setting the clock (mains power only)
During Standby mode, press the button to access time setting menu.
Set 12/24 Hour
Press buttons to select 12H or 24H, then press button to confirm.
Set Time
The hour digits will flash on the display.
Press buttons to adjust the hour digits, then press button to confirm. The
minute digits will flash on the display.
Press buttons to adjust the minute digits, press button to confirm.
The time is now set.
- If you cannot receive any DAB signal, you can manually set the time. Once DAB signal is received, the time will be automatically updated.
- In DC battery mode, the set time will be restored to 00:00 after power off.
Equaliser
This system supports a variety of equalizers and sound effects.
Press and hold (EQ) button to access the Equaliser menu, then press the
buttons to select the EQ setting and press button to confirm your selection.
Display Backlight
There are four backlight levels to choose from.
To set the backlight level, repeatedly press the button when the unit is
switched on, and the brightness of the display will change in sequence:
Off>High>Medium>Low. The backlight setting at Standby mode will follow same
setting as ON mode.
In DC (battery) operation, the display will turn off when the radio is powered
off. When the radio is on, the display will show full brightness and then go
dim after 10 seconds to save power. If you press any button, it will brighten
for 10 seconds.
Factory Reset
There may be times when you need to reset your unit back to the factory
setting especially when you have moved house. If you experience reception
problems you may want to reset and try again. If you move to another part of
country and pick up the local and national DAB stations in that area, your
previously tuned channels may no longer be available.
During DAB mode, open the CD door then press and hold button until display
show “FACTORY RESET”. And the factory reset will perform.
When successfully reset, it will enter STANDBY.
After the system reset, all the tuned stations, DAB & FM preset stations will be erased.
Language
- To set the display language, during DAB/FM mode, press and hold the button to enter into menu.
- Press the buttons to select
, and then press the button to confirm. - Press the buttons to select the options and then press the dial to confirm selection.
- Software Version
Under DAB/FM Mode, press and hold button to access menu, press the to select and then press button to confirm. Press button to exit the “SW version”.
DAB operation
If the unit is connected to the mains power and then switched on from standby
for the first time, the unit will automatically enter into the DAB mode and
perform an auto
scan. During the scan the display will show “Scanning…” together with a
progress bar and the amount of stations that have been 00 :00 found so far.
Once the scan has finished, the unit will select the first Scanning… 0
alphanumerically found station. To explore the found stations, press buttons
to navigate and press to choose a station.
Full Scan
The full scan will search for the entire DAB Band III channels. After the scan
has finished, the first alphanumerically found station will be automatically
selected.
- You can enter the menu by press and holding and selecting
. - All the stations that have been found will be stored automatically. To explore and listen to the found stations, press buttons to select and press button to confirm the selection.
Manual Tune
As well as the normal method of scanning, you can also manually tune to a
particular channel / frequency. This can be useful for adjusting your antenna
to achieve the best possible reception and scanning a particular channel to
update the station list.
- Press and hold button and then press the buttons to select
. Press the button to confirm selection. - Press the buttons to go through the DAB channels, which are numbered from 5A to 13F.
- Press the button to select the channel. You can then choose a station from that channel.
DRC (Dynamic Range Compression)
If you are listening to music with high dynamic range in a noisy environment,
you may wish to compress the audio dynamic range.
- Press and hold button to display the menu.
- Press buttons to select “DRC” and then press the button to confirm.
- Press buttons to select High / Low / Off.
- Press the button to confirm.
Save a Preset
You can store up to 30 of your favorite stations to the memory. This will
enable you to access your favorite stations quickly and easily.
- To store a preset, first tune in to the station that you would like to save, then press and hold or button for longer than 2 seconds, the display will show “Preset # stored” and then save the station.
- To store in Presets # (1-30) press and hold button for longer than 2 seconds, the display will show “<Save to P#>”. Press buttons to select preset location and press button to confirm the station to save. The display will then show “Preset # stored”.
Recall a Preset
- To listen the preset stations 1or 2, press or buttons and the unit will switch to desired corresponding preset location. If the preset has not been allocated, “Preset Empty” will be shown in the display.
- To listen the preset stations 1-30, press button once, then press buttons to select the stored station and press button to confirm. If the preset has not been allocated, “Preset Empty”will be shown in the display. Storing a new station into a preset location will erase the previously stored station in that location.
Prune – (Removing Unavailable Stations)
You may remove all unavailable stations from the list.
- Press and hold button to display the menu.
- Press the buttons to select “Prune” and then press the button to confirm.
- Press the button to select
, and then press the button to delete the unavailable stations.
DAB display modes
Press the button, and the display will switch through the following display
modes. The information of each display mode is displayed on the lower segment
of the display.
Signal Strength
The display will show a slide bar to indicate the signal strength, the
stronger the signal, the longer the bar will be from left to right.
Programme Type
This describes the “style” or “genre” of the programme that is being
broadcast.
Ensemble
This displays the name of the multiplex that contains the station you are
listening to. A multiplex is a collection of radio stations that are bundled
and transmitted on one frequency. There are national and local multiplexes.
Local ones contain stations that are specific to that area.
DAB – unlike normal radio, groups together several radio stations and transmits them on one frequency.
Frequency
This displays the frequency of the present station, such as “11C 220.352MHz”.
Signal Error
This displays a number showing the error rate. If the number is 0, it means
the signal received is error free and the signal strength is strong.
If the error rate is high, it is recommended to re-orient the aerial or re-
position the unit.
Audio Bit Rate
The display will show the digital audio bit rate being received.
Time / Date
This displays the current time and date provided automatically by the
broadcaster.
DLS (Dynamic Label Segment)
Dynamic label segment is a scrolling message that the broadcaster may include
with their transmissions. The message usually includes information, such as
programme details etc.
FM operation
Switching from DAB to FM mode To switch the unit to FM mode, press the
button repeatedly to select FM mode. The display will show the station name
(or frequency if RDS not available).
Auto Scan
To scan up/down the frequency band, press and hold the buttons. Once a station
has been found, the scanning will stop automatically.
The search may not stop at a station with a very weak signal.
Manual Scan
To search for FM stations manually, press the buttons repeatedly until your
desired frequency is reached.
With FM radio it may be necessary to fine tune each station by pressing the or buttons repeatedly. Each press will decrease/increase the frequency by 0.05MHz. If reception is still poor, adjust the position of the aerial or place the unit to another location.
Scan Setting
This is a scanning option to scan all stations, or just scan stations with a
strong signal.
- Press and hold button, then press buttons to select
. Press button to confirm. - Press / buttons to select “Strong stations Only” or “All Stations”. Press the button to confirm.
Audio Setting (Stereo/Mono FM)
This unit will automatically switch between stereo and mono mode, but you can
override this and switch this function manually. Set to “Forced Mono” for weak
stations to improve the reception. Set to “Stereo Allowed” for better audio.
- Press and hold button, then press buttons to select “Audio Setting”. Press the button to confirm.
- Press buttons to select “Stereo Allowed” or “Forced Mono” and then press the button to confirm.
Save a Preset
You can store up to 30 of your favorite stations to the memory. This will
enable you to access your favorite stations quickly and easily.
- To store a preset, first tune in to the station that you would like to save, then press and hold or buttons for longer than 2 seconds, the display will show “Preset # stored” and then save the station.
- To store in Presets # (1-30) press and hold button for longer than 2 seconds, the display will show “<Save to P#>”. Press buttons to select preset location and press button to confirm the station to save. The display will then show “Preset # stored”.
Recalling a Preset
- To listen the preset stations 1 or 2, press the or button and the unit will switch to desired corresponding preset. If the preset has not been allocated, “Preset Empty” will be shown in the display.
- To listen the preset stations 1-30, press button once, press buttons to select the stored station and press button to confirm. If the preset has not been allocated, “Preset Empty”will be shown in the display.Storing a new station into a preset location will erase the previously stored station in that location.
FM display modes
Press button, the display will switch through the following display modes.
The information of each display mode is displayed on the lower segment of the
display.
Radio Text
As with DAB, the broadcaster can include a scrolling text that displays
information about the current program.
Programme Type
This describes the “style” or “genre” of the programme that is being
broadcast.
Frequency
This displays the frequency of the present station, such as “87.50 MHz”.
Audio Type
This displays if the station being received is in mono or stereo.
Time / Date
The broadcaster (Radio station) provides clock and date information
automatically so there’s no need to manually set this information.
CD Operation
Press the button repeatedly to select CD mode.
Playback
- Lift up the top CD door to open the disc tray.
- Place the CD with the label side up into the CD compartment, and then push down the CD door to close the disc tray. The CD will playback automatically.
- If there is no disc or the disc can’t be read, “NO CD” or “UNKNOWN CD” will show on the display.
- This unit can play CD, CD-R, CD-RW disc, and can play MP3 file format in the CD mode.
To pause playback
- Press the button to pause the playback.
- To resume playback, press the button again.
To stop playback
- Press button to stop playback.
Skipping to another track
- Press the buttons to skip backwards to the beginning of the track or previous track or skip forwards to the next track.
- Press and hold the buttons to perform fast forward/reverse playback.
Repeat and Random playback
- During playback mode, press the button once, “Rep One” will show on the display. The CD will play the current track repeatedly.
- Press the button again, “Rep All” will show on the display. The CD will play all tracks repeatedly.
- Press the button again, “Random” will show on the display. All tracks on the disc will be played randomly. Press buttons to playback the next random track.
- After all the tracks have played once, the playback will stop automatically.
- Press the button once more again, the REPEAT or RANDOM function will turn off.
Programme cancel
To cancel the programme, press the button twice, or open the disk tray and
then close it again.
Intro playback
-
During playback mode,press the button and the “ ” indicator will show on the display. The unit will play the first 10 seconds of each track.
- Press the button again to resume normal playback.
USB operation1. There is a USB socket located at the front of the unit for charging your device, or for playing audio directly from USB flash media. When a USB device is connected to the unit, press the button repeatedly to select USB mode.
- Press the button again to resume normal playback.
-
The unit will automatically playback the tracks.
-
All playback features are the same as if you were playing an MP3 CD.
- The unit can only play MP3 file format in USB operation.
- This unit supports USB versions 1.1 and 2.0.
- The unit may not be compatible with all USB devices / memory / file formats. MS-DOS formatting is required.
USB Repeat and Random Playback
- Press the button once, “Rep One” will show on the display repeatedly. . It will play the current track repeatedly.
- Press the button again, “Rep Album” will show on the display. It will play the current folder repeatedly.
- Press the button again, “Rep All” will show on the display. It will play all files repeatedly.
- Press the button again, “Random” will show on the display. It will play all files randomly. After all the tracks have played once, the playback will stop automatically.
- Press the button once more again, the repeat and random function will turn off.
Charge your device
You can charge your device through the USB socket on this unit with a USB
cable (not supplied).
- The maximum current for USB charging is 1A.
- All devices for USB charging are not guaranteed.
Bluetooth® Operation
The unit has a Bluetooth® function that can receive a signal within
approximately 8 metres. Pairing the unit with a Bluetooth device to listen to
music
- While in the ON mode, press the button repeatedly to select Bluetooth mode.
- If the unit is not paired with any Bluetooth device, the display will flash “BT LINK”.
- Activate your Bluetooth device and select the search mode.
- “Zoombox 4” will appear on your Bluetooth device list.
- Select “Zoombox 4” and enter “0000” for the password if necessary.
- To disconnect the Bluetooth function, press the button to switch to another mode or disconnect the function from your Bluetooth device.
- Press and hold button to put the unit into Bluetooth pairing mode.
- If the signal strength is weak, your Bluetooth receiver may disconnect, but it will re-enter pairing mode automatically.
- For a better signal reception, remove the obstacles between the unit and the Bluetooth device.
- This unit supports A2DP (Advanced Audio Distribution Profile) and AVRCP (Audio Video Remote Control Profile) functions. This can only be paired with one Bluetooth device at one time.
- Compatibility with all devices and media types is not guaranteed.
The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Roberts Radio is under license. Other trademarks and trade names are those of their respective owners.
Auxiliary Input
- There is an AUX IN socket located at the side of the unit. Analogue audio sound signals from other audio sources can be input to the unit through this socket.
- Connect the input to another audio device via an AUX cable (not included) with AUX IN socket.
- Press the button repeatedly to select “AUDIO IN” mode.
- Press buttons to adjust the volume control for your desired sound output level.
- In “AUDIO IN” mode, operate your connected audio device directly for playback features.
- When connecting the external audio device, refer to the owner’s manual of the external device.
- Examples of External Audio Device that can be connected to the unit are : Portable MP3 Players, Cassette Players, Mini Disc Players, DVD Players, etc.
hour playback
- If the unit is in “AUDIO IN” mode more than 4 hours, it will automatically switch to standby mode.
- 10 minutes before entering standby, “AUTO-OFF” will flash on the display.
- Press the button to cancel auto off function.
Sleep
Press and hold the button, then press buttons to select the sleep delay time
in minutes. The number of minutes shown will display in sequence
Press button to confirm the selection.
Once you select a sleep delay period, the screen will display ” “icon to
indicate that the sleep function is activated.
Daily Timer (Mains Power Only)
- In Standby mode, press button to enter timer setup menu. The display will show “On Timer”, and the hour digits flash.
- Press buttons to adjust the hour digits, and then press button to confirm. The minute digits will flash on the display.
- Press buttons to adjust the minute digits, and then press button to confirm.
- When on time clock set, the display will show “Off Timer” and the hour digits will flash.
- Press buttons to adjust the hour digits, and press button to confirm. The minute digits will flash on the display.
- Press buttons to adjust the minute digits, and then press button to confirm.
- Finally press buttons to select source between DAB, FM, DISC or USB mode, then press button to confirm. The display will show “VOL#”. Press buttons to adjust the volume, then press button to confirm.
To activate / cancel the daily timer
- Press and hold button to select “Timer On”. The “ ” icon will show on the display to indicate the timer in on.
- Press and hold button again to celar the timer.
Maintenance
Handling Discs
- Do not touch the playback side of the disc.
- Do not attach paper or tape to the disc.
Cleaning Discs
- Fingerprints and dust on the disc cause picture and sound deterioration. Wipe the disc from the centre outwards with a soft cloth. Always keep the disc clean.
- If you cannot wipe off the dust with a soft cloth, wipe the disc lightly with a slightly moistened soft cloth and finish with a dry cloth.
- Do not use any type of solvent such as thinner, benzine, commercially available cleaners or antistatic spray. They may damage the disc.
Storing Discs
- Do not store discs in places subjected to direct sunlight or near heat sources.
- Do not store discs in places subjected to moisture and dust such as a bathroom or near a humidifier.
- Storing discs vertically in a case, stacking discs or placing objects on discs outside of their cases may cause warping.
Specifications
Features and specifications are
subject to change without prior notice.
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