PERFECTPRO ROCKHART User manual

DAB+ / DAB / FM RDS / Bluetooth /
Aux In-1 / Aux In-2
Perfectpro B.V.
Everdenberg 9A
Oosterhout
The Netherlands
3A81eY6L00000
GB
F
Operating instruction ..... 2 - 9
Gebruiksaanwijzing ....... 10 - 18
Bedienungsanleitung ..... 19 - 27
Mode d’emploi ................ 28 - 36
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The Bluetooth® word mark and logos are registered
trademarks owned by Bluetooth SIG, Inc. and any use of
such marks by Perfectpro B.V. is under license.
WARNING!
WARRANTY BECOMES VOID ONCE THE DEVICE
CABINET HAS BEEN OPENED OR ANY MODIFICATIONS
OR ALTERATIONS TO THE ORIGINAL DEVICE HAVE
BEEN MADE.
Never open the device casing. The manufacturer will not
accept any liability for damage resulting from improper
handling. The type plate is located on the back of the
device.
IMPORTANT SAFETY INSTRUCTIONS
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with dry cloth.
7. Do not block any ventilation openings. Install in
accordance with the manufacturer's instructions.
8. Do not install near any heat sources such as
radiators, heat registers, stoves, or other apparatus
(including amplifiers) that produce heat.
9. Do not defeat the safety purpose of the polarized or
grounding-type plug. A polarized plug has two blades
with one wider than the other. A grounding type plug
has two blades and a third grounding prong. The
wide blade or the third prong are provided for your
safety. If the provided plug does not fit into your
outlet. Consult an electrician for replacement of the
obsolete outlet.
10. Protect the power cord from being walked on
or pinched particularly at plugs, convenience
receptacles, and the point where they exit from the
apparatus.
11. Only use attachments / accessories specified by the
manufacturer.
12. Use only with the cart, stand, tripod,
bracket, or table specified by the
manufacturer, or sold with the apparatus.
When a cart is used, use caution when
moving the cart / apparatus combination to avoid
injury from tip-over.
13. Unplug this apparatus during lightning storms or
when unused for long periods of time.
14. Refer all servicing to qualified service personnel.
Servicing is required when the apparatus has been
damaged in any way, such as power-supply cord or
plug is damaged. liquid has been spilled or objects
have fallen into the apparatus, the apparatus has
been exposed to rain or moisture, does not operate
normally, or has been dropped.
15. To Reduce the Risk of Fire or Electric Shock, Do not
Expose This Appliance To Rain or Moisture.
16. The Shock Hazard Marking and Associated Graphical
Symbol is provided on the rear of unit.
17. Apparatus shall not be exposed to dripping or
splashing and no objects filled with liquids, shall be
placed on the apparatus.
18. Excessive sound pressure on ear-and headphones
could impair the hearing ability. Higher setting that
idle on the equalizer leads to higher signal voltages
on the output for ear and headphones.
19. The power plug should be close to the radio, and
easy to be approached that during the emergency, to
disconnect the power from the radio, just unplug the
power plug from the AC power slot.
20. Where the MAINS plug or an appliance coupler is
used as the disconnect device, the disconnected
device shall remain readily operable.
21. The batteries shall not be exposed to excessive heat
such as sunshine, fire or the like.
22. This apparatus is provided with protection against
splashing water (IP44).
CAUTION:
To reduce the risk of the electric shock, do not
perform any servicing other than that contained in the
operating instructions unless you are qualied to so.
WARNING:
Warranty becomes void once the radio cabinet has
been opened or any modifications or alterations to
the radio have been made!
Controls
1Charge LED
2Bluetooth status indicator
3Standby button
4Source button
5EQ (equalizer) button
6Info / Menu button
7Volume knob / Loudness button
8LCD display
9Tuning knob / Select / Stereo / Mono button
10 Auto tune / Bluetooth pairing button
11 Preset 1 / Previous folder / L / R button
12 Preset 2 / Next folder / Stereo pairing button
13 Preset 3 / Play mode button
14 Preset 6 / Play / Pause button
15 Preset 5 / Next track / Fast forward button
16 Preset 4 / Previous track / Rewind button
17 Speakers

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18 Multimedia compartment fixture
19 SD card slot
20 USB port for playback and charging
21 AC cable hook
22 Power cord
23 FM rubber antenna
24 Aux in socket
25 Microphone socket
26 Socket for software upgrade
27 Battery compartment
28 DC IN socket
29 Display protection bar
30 NFC detection tag
Safety information for the internal
rechargeable Lithium-ion battery
The internal rechargeable lithium-ion battery used in
this device is able to supply power for a long period of
time. However, even lithium-ion batteries reach a point
where they cannot be recharged. If the battery does
not recharge after several attempts, it may be drained
(has a low charge), please contact Perfectpro for repair
information. However, if you do not want us to replace the
battery, you will need to dispose of used batteries / device
in accordance to the laws and regulations in your area. In
addition, you can contact your local electronics retailers or
recycling center for disposal.
User Safety Precautions
●Ensure that the room temperature range is 5°C–40°C
(41°-104°Fahrenheit) before charging the battery.
●Do not attempt to disassemble the plastic covering or
any parts of the device, as the materials inside may be
toxic and may damage skin and clothes.
●Do not puncture, crush, modify, throw or cause any
unnecessary shock to your battery, as the battery used
in this device may present a risk of fire, explosion, or
chemical burn if mistreated.
●Do not leave, charge or use the battery in a car under
direct sunlight, near fire or a heated source.
●Do not immerse or throw the battery in water / seawater.
●Do not use or charge the battery if it appears to be
abnormally hot, discolored, deformed or abnormal
conditions are detected during use, charge or storage.
●Do not leave a charging battery unattended. Keep the
battery away from babies and children.
●CAUTION: 'Risk of explosion if the battery is
replaced by an incorrect type.'
●CAUTION: Danger of explosion if battery is
incorrectly replaced. Replace only with the same or
equivalent type.
●The battery combination is stored at room temperature
(25 degrees), charged to 40%~60% of the power, charge
once every three months, for the storage of more than a
year of battery, performance cannot be guaranteed.
AC operation / Charging the radio
The radio can be charged both while the radio is powered
on and powered off. Before you plug the AC cord into the
AC socket, be sure the voltage is correct. Connect the
AC power cord into the AC socket to charge the built-in
lithium-ion battery. AC cable hook is designed to store the
cord when the radio is not in use.
When the charge LED indicator lights red indicating
battery is charging. The battery will be fully charged in
around 7 hours when the radio is in power off mode. The
charging time may vary when the radio is turned on or off.
When charging is complete, the charge LED indicator will
be steady green.
When charging is abnormal, the charge LED indicator
will cycle between red and green. Please remove the AC
power and plug it in again.
IMPORTANT:
The mains plug is used as the means of connecting
the radio to the mains supply. The mains socket used
for the radio must remain accessible during normal
use. In order to disconnect the radio from the mains
completely, the mains plug should be removed from
the mains outlet completely.
Powered via DC IN socket
The radio can be also powered via the DC IN socket
which can allow 12 Volt DC, which is designed to be
powered by the vehicle or the boat so you can take the
radio with you outdoors or on the boat.
An additional cigarette lighter cable is required (supplied)
for this device.
NOTE:
Never use the 12 Volt socket in rainy or moist
conditions to prevent moist from entering the radio.
Always keep the rubber cover on the back well closed
under these conditions.
NOTE:
The voltage of DC in socket must be higher than the
13.5V input voltage to ensure that the lithium-ion
battery is fully charged. If the voltage is too low, the
battery cannot be fully charged. It is recommended to
use the AC power cord for charging.
Listening to DAB radio
Tuning into DAB stations
To tune into DAB radio stations, follow these steps:
1. Turn on the radio using the Standby button.
2. Select the DAB radio mode by repeatedly pressing the
Source button.
3. If this is the first time the DAB radio mode is being
used, the radio will automatically perform a full scan in
order to find all available DAB radio stations. During
the scanning process, as new stations are detected
the station counter will increase and the stations will be
added to the list which is stored in the radio. The bar
graph indicates the progress of the scan.
4. When scanning is completed, the radio will list all
stations that were found. Rotate the Tuning knob to

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access the radio station list and to scroll through the
available stations. Then press the Tuning knob to tune
into a station.
5. Use the Volume knob to set the sound level as needed.
Note:
Before selecting the DAB radio mode and performing
a scan, make sure the DAB / FM antenna at the back
of the radio has been positioned upright.
The DAB radio menu
You can open the DAB radio menu by pressing and
holding the Info / Menu button while the radio is in the
DAB radio mode.
Rotate the Tuning knob to select one of the options and
then press the Tuning knob to confirm your choice.
The radio's default and recommended settings are
indicated using an asterisk.
The DAB radio menu offers the following options:
●[Station list]: Select this option display all DAB radio
stations that were found and tune into one of the
stations.
●[Full Scan]: Select this option to perform a full scan
and store all DAB radio stations that were found in the
station list. Alternatively press Auto tune button to scan
for new stations.
●[Manual Tune]: Select this option to manually tune into
a DAB channel / frequency.
●[Station order]: Select this option and subsequently
select [Alphanumeric] to sort the station list
alphanumerically or select [Ensemble] to sort the
station list by DAB multiplex or select [Valid] to show
only those stations for which a signal can be found.
●[DRC]: Dynamic Range Control (also known as DRC)
can make quieter sounds easier to hear when your
radio is used in a noisy environment by reducing the
dynamic range of the audio signal.
After selecting this option, select the required DRC
setting:
[DRC off]: DRC is switched off. Broadcast DRC will be
ignored. This is the default setting.
[DRC low]: DRC level is set to 1 / 2 that sent by
broadcaster.
[DRC high]: DRC is set as sent by broadcaster.
NOTE: Not all DAB broadcasts are able to use the
DRC function. If the broadcast does not support
DRC, then the DRC setting in the radio will have no
effect.
●[Prune Invalid]: Select this option to delete all
unavailable stations from the station list.
●[System Settings]: Select this option to go to the
System settings menu and configure the radio (refer
to the chapter "Using the System settings menu" for
details).
Showing DAB information on the display
When listening to a DAB radio broadcast, repeatedly
press the Info / Menu button to cycle through the following
information on the radio's display:
Text, Program type, Multiplex name & Frequency, Date,
Bit rate, Codec & Audio type, Signal error & Strength, DL
Plus text (Some stations may provide other programme
related information for the display in addition to the
regular text. If none is available, a message "no info" is
displayed.)
If the broadcast being received is in stereo, then the
stereo speaker icon will be shown at the bottom of the
radio's display. If the currently tuned station has been
stored as a preset, then the preset number will also be
shown.
If a DAB broadcast provides a slideshow image, this may
be viewed full-screen by pressing the Select button. To
exit the slideshow image, press the Select button again.
Listening to FM radio
Tuning into FM stations
To tune into FM radio stations, follow these steps:
1. Turn on the radio using the Standby button.
2. Select the FM radio mode by repeatedly pressing the
Source button.
3. Rotate the Tuning knob clockwise or anti-clockwise and
then press the Auto tune button to automatically tune
into an FM station with a higher or lower frequency
respectively. Your radio will stop scanning when it finds
a station of sufficient strength. The display will show
the frequency of the signal which has been found and a
signal strength icon will be shown in the bottom bar of
the radio's display to indicate the strength of the signal
received. If RDS information is available, an RDS icon
will also be shown in the bottom bar of the radio's
display and after a few seconds the display will show
the radio station name.
4. Rotate the Tuning knob to fine-tune the frequency with
steps of 0.05MHz if needed.
5. Repeat the steps 3 and 4 to tune into other radio
stations.
6. Adjust the Volume to the required setting.
Note:
If you find that FM reception is poor, try repositioning
the antenna.
The FM radio menu
You can open the FM radio menu by pressing and holding
the Info / Menu button while the radio is in the FM radio
mode.
Rotate the Tuning knob to select one of the options and
then press the Tuning knob to confirm your choice.
The radio's default and recommended settings are
indicated using an asterisk.
The FM radio menu offers the following options:
●[FM Scan Zone]: Select this option to configure if the
radio should only look for strong signals (“Local”) or
all signals (“Distant”) when using the automatic tuning
feature.
●[FM RDS]: Select this option to enable or disable RDS
reception. When listening to an FM radio station that
is also broadcasting RDS data, select [On] to enable
RDS information reception or [Off] to disable RDS
information reception.

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●[System Settings]: Select this option to go to the System
settings menu and configure the radio (refer to the chapter
"Using the System settings menu" for details).
Showing FM information on the display
When listening to an FM radio station that is also
broadcasting RDS data (the RDS icon is shown in the
bottom bar of the radio's display), repeatedly press
the Info / Menu button to cycle through the following
information on the radio's display:
Radio Text, Program Type, Signal Strength, Date.
If the stereo speaker icon is shown at the bottom of the
radio's display, this indicates that the radio is receiving a
stereo broadcast.
FM stereo / mono
If the FM radio station being listened to has a weak signal
some hiss may be audible. It is possible to reduce this
hiss by forcing the radio to play the station in mono rather
than stereo. Press the Stereo / Mono button repeatedly,
the display will show "Forced Mono" or "Stereo Allowed".
Presetting stations in DAB and FM modes
There are 6 memory presets each for DAB and FM radio.
They are used in the same way for each operating mode.
1. Turn on the radio, then select the DAB or FM radio
mode and tune to the required radio station as
previously described.
2. Press and hold the Preset button until the display
shows, for example, “Preset 01 stored”. The station
will be stored under the chosen preset button. Repeat
this procedure as needed for the remaining presets.
Stations stored in preset memories may be overwritten
by following the above procedure.
Recalling a preset in DAB and FM modes
1. Turn on the radio and then select the DAB or FM radio
mode using the Source button.
2. Press the required Preset button to cause your radio to
tune to the station stored in preset memory.
Using the System settings menu
The System settings menu can be used to configure your
radio. Follow these steps to access the System settings
menu:
1. Turn on the radio using the Standby button.
2. Press and hold the Info / Menu button to open the
menu for the current mode.
3. Rotate the Tuning knob to select [System Settings]
and press the Tuning knob to open the menu.
The System settings menu offers the following options:
Rotate the Tuning knob to select one of the options and
then press the Tuning knob to confirm your choice.
Press the Info / Menu button to go back one step in the
radio's menus.
The radio's default and recommended settings are
indicated using an asterisk.
●[MIC Volume]: Select this option to adjust the
microphone volume. Rotate the Tuning knob to
adjust the desired microphone volume.
●[Time setup]: Select this option to set the time and
date manually, to set the source for automatically
updating the time and date, or to and set the time
format.
[Sleep]: The sleep timer allows you to automatically
turn off the radio after a preset time has elapsed.
Select this option and press the Tuning knob. Then
Rotate the Tuning knob to select the desired sleep
time. The sleep timer can be set from 15 to 120
minutes or select “Sleep off” to cancel the sleep
timer. Press the Tuning knob to confirm the setting.
An active sleep timer is shown using a sleep timer
icon at the bottom of the playing display. This icon
also shows the remaining sleep time before the
radio switches itself into standby mode.
To cancel the sleep time before the preset time has
elapsed and to turn off the radio, press the Standby
button to turn the radio off manually.
●[Backlight]: Select this option and then select
[Timeout] to adjust the length of time before the
backlight turns off or select [On Level] to adjust the
display's brightness level when the radio is turned
on or select [Standby Level] to adjust the backlight
brightness when the radio is in standby mode.
●[Language]: Select this option to configure the
language in which the radio's menus are shown.
●[Factory Reset]: Select this option to reset the radio
to the default factory settings. After confirmation, all
user settings and preset stations will be erased.
●[SW Version]: Select this option to view the
software version of the radio.
Listening to music via Bluetooth
streaming
You need to pair your Bluetooth device with your radio
before you can auto-link to play / stream Bluetooth music
through your radio. Pairing creates a ‘bond’ so the two
devices can recognize each other.
Pairing and playing your Bluetooth device
for the first time
1. With your radio switched on, press the Source button
to select Bluetooth mode. “BT Pairing” will show on the
display. The Bluetooth LED indicator on the radio will
flash blue to show the radio is discoverable.
2. Activate Bluetooth on your device according to the
device’s user manual to link to the radio. Locate the
Bluetooth device list and select the device named
“RH4” (With some Smartphone’s that are equipped with
earlier versions than BT2.1 Bluetooth device, you may
need to input the pass code “0000”).
3. Once connected, there will be a confirmation tone
sound and the name of your connected Bluetooth
device will show on the display. The Bluetooth LED
indicator will turn solid blue. You can simply select and
play any music from your source device.
4. The volume control can be adjusted from your source
device, or directly from the radio. Use the controls on
your Bluetooth-enabled device or on the radio to play /
pause and navigate tracks.

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Note:
●If 2 Bluetooth devices are pairing for the first time,
both will search for your radio, it will show its
availability on both devices. However, if one device
links with this unit first, then the other Bluetooth
device will not find it on the list.
●If you take your source device out of range, the
connection will be temporarily disconnected to your
radio. Your radio will automatically reconnect if the
source device is brought back in range. Be aware
that during the period of disconnection, no other
Bluetooth device can pair or link with your radio.
●If “RH4” shows in your Bluetooth device list but
your device cannot connect with it, please delete
the item from your list and pair the device with
the radio again following the steps described
previously.
●The effective operation range between the system
and the paired device is approximately 10 meters
(30 feet). Any obstacle between the system and the
device can reduce the operational range.
●Bluetooth / NFC connectivity performance may vary
depending on the connected Bluetooth devices.
Please refer to the Bluetooth capabilities of your
device before connecting to your radio. All features
may not be supported on some paired Bluetooth
devices.
●With some mobile phones, making / receiving
calls, text messages, e-mails or any other activities
unrelated to audio streaming may mute the
Bluetooth audio streaming or even temporarily
disconnect from your device. Such behavior is
a function of the connected device and does not
indicate a fault with your radio.
Playing audio files in Bluetooth mode
When you have successfully connected your radio with the
chosen Bluetooth device you can start to play your music
using the controls on your connected Bluetooth device.
1. Once playing has started, the volume can be adjusted
both on the radio using the Volume knob and on the
Bluetooth device using the volume control of the device.
2. Use the controls on your Bluetooth device to play /
pause and navigate tracks. Alternatively, control the
playback using Play / Pause, Next track, Previous track
buttons on your radio.
3. Press and hold the Fast forward or Rewind button to
move through the current track. Release the button
when the desired point is reached.
Note:
Not all player applications or devices may respond to
all of these controls.
Showing Bluetooth information on the
display
If your connected device can provide information from
the track being played, when listening to Bluetooth audio,
repeatedly press the Info / Menu button to cycle through
the following information on the radio's display:
Title, Artist, Album, Date.
Please note that the availability of information depends on
the specific media format.
Reconnecting a previously-paired Bluetooth
source device
The radio can memorize up to 6 sets of paired Bluetooth
devices, when the memory exceeds this amount, the
earliest paring device will be overwritten from the device.
If your Bluetooth device already paired with the radio
previously, the unit will memorize your Bluetooth device
and it attempts to reconnect with a Bluetooth device in
memory which is last connected.
Disconnecting your Bluetooth device
To disconnect your Bluetooth device, either turn off
Bluetooth on the Bluetooth device, press and hold the
Bluetooth pair button on the radio to switch over to the
pairing mode (the Bluetooth indicator will blink blue),
or switch to another mode on the radio by pressing the
Source button. If you disconnect the Bluetooth device
when the radio is in the Bluetooth mode, the radio's
display will show "BT Pairing" and the radio will be
available for pairing again.
Pairing and playing your device via NFC
The radio is equipped with wireless NFC (Near Field
Communication) feature, allowing playing NFC-enabled
devices to pair and play the music. For non-NFC devices,
please refer to the above sections for standard Bluetooth
pairing.
1. Turn on your NFC feature on your device. (Important:
Please make sure the screen of your playing device is
on and unlocked to allow NFC to work.)
2. Touch the NFC area of your playing device against the
NFC area marked on top right panel of your radio. The
unit will switch to Bluetooth mode and enter automatic
pairing. If you pair with your radio for the first time,
your NFC-enabled device will be asked the permission
to link with the radio. Once paired with a device, the
Bluetooth icon will remain illuminated.
3. Use the controls on your device or on your radio to play
/ pause and navigate tracks.
Note:
●If you would like to link another Bluetooth device
for the first time via NFC, disconnect the existing
linked Bluetooth device first.
●The location of the NFC detection area is not the
same on all devices. When connecting with other
Bluetooth device via NFC, refer to the User guide of
the other device for more information.
●Some of metallic case or cover for mobile phones
may reduce the sensitivity of NFC. Make sure you
remove it, before activating the NFC.
Disconnecting your NFC-enabled device
To disconnect your device, simply touch it again on the
top of the unit. The LED light for Bluetooth icon will then
start to flash indicating your radio is discoverable again for
pairing. (Important: Please make sure the screen of your
playing device is on and unlocked to allow NFC to work.)
The PerfectPro Stereo Pairing Feature
Stereo Pairing (also known as True Wireless Stereo or
TWS) is a feature that allows two speakers to wirelessly
connect with each other and an audio device to play

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music in stereo without the need for any cables. Your
ROCKHART can be wirelessly connected to a second
ROCKHART and an audio device to play music through
both speakers at the same time.
Setting up the first speaker
1. Make sure the first speaker is in Bluetooth mode and
connect to a Bluetooth device.
2. Press the Stereo pairing button to enter the Stereo
pairing mode.
Setting up the second speaker
1. Make sure the second speaker is in Bluetooth mode
and that it has not connected to a Bluetooth device.
2. Press the Stereo pairing button to enter the Stereo
pairing mode.
After the speakers have successfully connected, the
first speaker will display "Lead Stereo". The second
speaker will display "Follow Stereo".
Note:
●Set up the second speaker within 1 minute of the
first one, otherwise the setting of the first speaker
will be canceled.
●When both speakers are connected to the same
Bluetooth device, the Stereo Pairing feature cannot
be set. In this case, you need to disconnect the
Bluetooth connection of one of the speakers to set
up the Stereo Pairing feature.
Starting playback
1. Start playback on the connected Bluetooth device and
adjust the volume on the Bluetooth device or one of the
speakers for comfortable listening.
Note: Volume, EQ and Loudness setting of one
speaker is reflected on the other.
2. Use the controls on your Bluetooth device to play /
pause and navigate tracks. Alternatively, control the
playback using the Play / Pause, Next and Previous
buttons on either speaker.
3. Press and hold the Next or Previous button on either
speaker to fast forward or rewind within the current track.
Release the button when the desired point is reached.
Note:
Not all player applications or devices may respond to
all of these controls.
Switching the audio mode
When using two speakers, you can switch between
"Stereo", "Left" and "Right" mode. Press the L / R button
on either of the speakers to change the audio mode.
"Stereo" mode: Both speakers play the same sound.
This is the default setting.
"Left" / "Right" mode: One speaker plays the sound on
the left channel, while the other speaker plays the sound
on the right channel for stereo playback between the
speakers.
Disconnecting the PerfectPro Stereo Pairing
connection
Press and hold the Stereo pairing button for 2-3 seconds
to disconnect the Stereo Pairing feature.
Listening to audio from a USB device or
SD card
The ROCKHART is capable of playing MP3 / WMA
(version 9 standard) / WAV / AAC / OGG files from USB
devices or SD cards.
However, there are many different card variants
available and not all cards can be guaranteed to work in
ROCKHART.
Playing files from a USB device or SD card
To play audio files from a USB device or SD card, follow
these steps:
1. Turn on the radio using the Standby button.
2. Insert the USB device in the USB port or SD card in de
SD card slot.
3. Select the USB or SD mode by repeatedly pressing
the Source button. After selecting either of these two
modes, the radio's display will show "Reading" while
the radio is reading the content of the USB device or
SD card.
4. After the content of the USB device or SD card has
been read, the radio will start playback. The display
will show (for example) "F001 T001 00:00". The first
number represents the folder number, the second
number represents the track number within the current
folder and the third number represents play time.
5. When playback has started:
●Press the Play / Pause button to pause / resume
playback.
●Press the Next or Previous button to go to the next
or previous track.
●Press and hold the Next or Previous button to fast
forward or rewind within a track and release the
button when the desired point is reached.
●Press the Next folder or Previous folder button to go
to the next folder or previous folder.
6. Repeatedly press the Play mode button to select a play
mode. The available playback modes are:
●Repeat one track
●Repeat a folder
●Repeat all tracks
●Shuffle playback
The indicator of the selected play mode is shown at the
bottom of the radio's display. After random play, press the
Play mode button once more to switch back to normal
playback.
Showing track information on the display
When listening to audio from a USB device or SD card,
repeatedly press the Info / Menu button to cycle through
the following information on the radio's display:
File name, Title, Artist, Album, Date.
Charging a USB device
The ROCKHART’s USB port can also be used to charge
USB devices. The USB port has an output power of 5V /
1A.

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To charge a USB device (e.g. iPhone, smartphone or
similar device), just open the multimedia compartment
cover on the right side of the radio and insert / connect it
to the USB port. After charging has finished, don't forget
to remove / disconnect the device again and close the
multimedia compartment cover to prevent moist or dust
from entering the radio.
Charge time may vary and in some cases may take longer
to charge than when using the manufacturers charging
unit supplied with the smart phone.
IMPORTANT:
●The USB jack can only provide power for the USB
memory stick only with 1A 5V maximum and most
of iPhone models. However, it does not support
external Hard disk drive and all mobile phones and
electronic device.
●The maximum volume of the output power speaker
will decrease when your USB is charging.
●The charger may not supply power to some USB
devices.
●Do not connect power source to USB port.
Otherwise there is risk of fire. The USB port is only
intended for charging lower voltage device. Always
close the multimedia compartment cover when not
charging the lower voltage device.
●Do not insert a nail, wire, etc. into USB power
supply port. Otherwise a circuit short may cause
smoke and fire.
●Do not connect this USB socket with your PC USB
port, as it is highly possible that it may cause
breakdown of the units.
Listening to audio using the Aux in
socket
You can listen to the sound of an external device (such
as an iPod or MP3 player) through the speaker of the
ROCKHART. To do this, follow these steps:
1. Open the Aux in socket's rubber cover and connect
the external device to the socket using a 3.5mm audio
cable (not included).
2. Make sure both the radio and the external device are
turned on.
3. Select the AUX IN mode by repeatedly pressing the
Source button.
4. The audio output of the external device will now be
played through the speakers of the ROCKHART.
Playback must be controlled on the external device,
while the volume can be controlled both on the radio
and on the external device.
Note:
After disconnecting the 3.5mm audio cable, close the
Aux in socket's rubber cover again to prevent moist
or dust from entering the radio.
Microphone socket
A 6.3mm microphone socket is provided on the back of
the radio for connecting a microphone.
1. Connect the microphone (not supplied) to the
microphone (MIC) socket.
2. Make sure both the radio and the microphone are
turned on.
3. Adjust the volume control on the radio to the required
level.
Note:
●In USB or SD mode, when a USB or SD card is not
inserted into the radio, the microphone will not be
activated.
●Do not place the microphone against the speaker,
it can cause feedback echo and it will damage the
radio.
Equalizer function (EQ)
The sound on your radio can be adjusted to suit your
personal taste for the songs you are listening to.
Press the EQ button to cycle through the various modes.
a. Flat – no tone modification is applied.
b. Rock
c. Outdoor
d. Pop
e. News
f. Indoor
g. My EQ
If you find the preset equalizer functions not to your liking,
you may set up a custom treble and bass as following:
1. Press and hold the EQ button to enter the MY EQ
setting.
2. Rotate the Tuning knob to adjust the Treble level and
then press the Tuning knob to confirm the setting.
3. Rotate the Tuning knob to adjust the Bass level and
then press the Tuning knob to confirm the setting.
Loudness On / Off
When the radio is turned on, press the Loudness button
to enable or disable the radio's loudness function. When
the loudness function is applied, the characters in the EQ
mode (such as Flat) will change from white to orange.
WARRANTY
This radio has a 2 year limited warranty.
WARNING! Warranty becomes void once the radio cabinet
has been opened or any modifications or alterations to the
radio have been made!
The terms of the warranty of this radio do not cover the
following:
- Damage caused by misuse, abuse, neglect, alterations,
accidents or unauthorized repair.
- Normal wear and tear.
- Breaking or bending of the antenna.
- Batteries, being consumables, do not fall under the 2
year warranty conditions of the radio.

9
GB
NL
D
F
Specications
Power source
AC power AC 100-240 V, 50/60 Hz, 90W
DC power 10-14 V / 4A
Lithium-ion battery 18650 Lithium-ion cell battery (3S2P) 10.89V / 6700mAh
Frequency range
DAB 174.928-239.2 MHz
FM 87.5-108 MHz
Bluetooth
Bluetooth QD ID 170662
Bluetooth specification Bluetooth®Ver 5.2
Profile Support A2DP, AVRCP
Bluetooth Audio CODEC SBC, AAC
Transmitting Power Specification Power Class 2
Line of sight range 10meters / 30feet
The frequency and maximum transmitted power 2402MHz ~ 2480MHz: -4.35dBm (Bluetooth BLE)
Electronic features
Speakers 2 x 6.5inches, 4ohm 30W full range, waterproof
Output power
2 x 18W @ AC-IN (typical), 2 x 22.5W (peak level)
2 x 12W @ DC-IN, 12V
2 x 8W @ Lithium-ion cell battery
Rechargeable current of charger 1A
Aux-In level 250mVrms (rated level), 1Vrms (max.)
Maximum supplying power of USB socket 5V, 1A
Input terminal 3.5mm dia. (AUX IN)
6.3mm dia. (MICROPHONE)
Operating temperature range 5°C to 40°C
※ The barcode label on the product is dened as below:
Serial number
Production month
Production year
Product code
If at any time in the future you should need to dispose of this product please note that: Waste electrical
products should not be disposed of with household waste. Please recycle where facilities exist. Check with
your Local Authority or retailer for recycling advice. (Waste Electrical and Electronic Equipment Directive)
The company reserves the right to amend the specication without notice.