Orava Crater-7 User manual

1EN
Instruction manual
Outdoor speaker system with Bluetooth interface
Bluetooth conference microphone
Crater-7
EN

2EN
The intended use of the device
The device is intended exclusively for the playback of an audio signal from
a mobile phone or other digital device or source (wirelessly via Bluetooth®
technology or also via a cable connection), to the extent specified by technical
and operating parameters and functions, safety and user instructions and external
effects of the operating environment.
ORAVA electrical appliances are manufactured according to the knowledge
of the current state of technology and recognized safety and technical rules.
Nevertheless, incorrect and unprofessional use or use contrary to the intended
purpose may create a risk of injury or endanger the life of the user or a third party,
resp. damage to equipment and other property.
Safety instructions for operation and use
• Electrical equipment is designed and manufactured in such a way as to allow for
safe operation and use by persons without a professional qualification. Despite all
the measures that have been
to the manufacturer for safe use and handling, carry some residual risks and
associated potential hazards.
• The following symbols and their meanings have been used on the device and in the
accompanying documentation to warn of possible hazards:
This symbol alerts users that the following precautions can be avoided if
the following precautions are observed when operating the device:
Danger of serious injury or life threatening!
Danger of damage to equipment or other damage to
property!
This designation of electrical equipment means that the device is made
with an outer cover that protects it from the ingress of water. In this case, it
is the level of protection against the ingress of intensive spray water from
all directions (water flow from a nozzle with a diameter of 12.5 mm, at a
water flow of 10 l / min and a pressure of 50 - 150 kN / m2 for 5 minutes.
Warning!
The degree of protection of the device is tested under specific technical
conditions and does not mean that the device is intended for use under
conditions of permanent exposure to dust and water.
General safety instructions and warnings
• Before commissioning, we recommend that you carefully read the operating
instructions and operate the equipment in accordance with the instructions.
• Failure to follow the safety instructions and warnings is forbidden by the
manufacturer for any damage to health or property.
• Always keep the operating instructions together with the device for future use and
use by new users.
• Use the appliance only for the intended purpose and in the manner specified by the
manufacturer.
It is not a professional device for commercial use.
Operating environment characteristics:
• Do not use the device in an industrial environment or in an outdoor, adverse
environment!
Do not expose your device to:
- direct sunlight, sources and equipment producing excessive heat,
- fall, vibration and mechanical stress,
- excessive dust,
- water,
- insect,
- aggressive effects of the external environment.
• The operating environment of the device must always be in accordance with the
basic characteristics set out.
IPX4

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Operating environment characteristics:
1. Ambient temperature: +10 ° C to +40 ° C
2. Relative humidity: max. 75%
3. Altitude: ≤ 2 000 m
4. Occurrence of water: intermittent condensation of water and occurrence of water
vapor
5. Occurrence of foreign bodies: quantity and type of dust are insignificant
• The basic IPX0 protection class (when the device is not protected by its waterproof
cover) is not marked on the product and in the technical parameters listed in the
operating instructions.
• If the protection class of the product is different from IPX0, this information is then
displayed on the label of the appliance or in the technical data of the operating
instructions.
• The appliance is not primarily intended for use in environments with significant water
effects.
Safety of persons
• This device may be used by children under the age of 8 and persons with reduced
physical, sensory or mental capabilities or lack of experience or knowledge when
supervised or instructed to use the appliance safely and understand the dangers
involved.
• This appliance can also be used by small children (children between the ages of 3
and 8) if the controls are set by their parent or authorized guardian, or if the child
has been instructed enough to operate the controls safely.
• Children may not play with the device.
• Cleaning and maintenance for users may not be performed by children unattended.
Cleaning, maintenance and repairs
• Perform the normal user cleaning and maintenance of the electrical equipment only
as recommended. Do not use chemical solvents or abrasive cleaners for cleaning.
• Never clean the appliance in a way that could cause it to dampen and drip into the
device.
• Clean the device with a damp cloth only and wipe dry or let it dry.
• Keep the appliance clean and dry.
• Do not disassemble the electrical/electronic equipment!
• Never repair the electrical / electronic equipment yourself!
Special Safety Instructions and cautions
• When transporting , be careful when moving, to avoid equipment fall and damage.
• Unpack the equipment and accessories before putting it into service and remove
all parts of packaging material and labels. Store the packaging in a safe place,
especially out of the reach of children and unaccompanied persons, or dispose of
them safely.
• If the device was stored at low temperatures (eg in winter) or excessive humidity,
first leave it for about 1 hour to “acclimatize” to remove any moisture in electronic
parts that occurs when the ambient temperature changes.
• Do not expose the appliance to indoor use by water or excessive moisture. Do not
dispose of any containers with water or other liquids.
• Do not install the appliance near heat sources or other heat generating devices.
• Do not place objects on the device that can cause a dangerous situation (eg burning
candles, etc.).
• To avoid the risk of electric shock (in the case of a device that operates with a
dangerous power supply), do not disassemble or attempt to service yourself. Have
any repairs to electrical equipment carried out by qualified personnel.

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Operation/Use
Warning!
• In places where mobile phone use is not allowed or where the device may cause
interference or danger, such as in an aircraft, in hospitals and near high- sensitive
electronic medical devices, fuels, chemical substances or in locations, where
blasting is carried out using explosives, switch off mobile devices.
• Follow these safety instructions and cautions in these locations.
• Wireless 2.4 GHz wireless audio devices can interfere with other wireless devices or
networks.
• If this device is located too close to other Bluetooth® devices or devices that use the
2.4 GHz or 5 GHz frequency band, they may not work properly and there may be
noise and/or sound interruptions caused by radio waves interference.
Warning!
• The loudspeaker system for a mobile phone is a device that when used, it may
alter (reduce) the perception of ambient sounds. If you perform any activities that
are accompanied by an increased risk to yourself or others in close vicinity, always
check your surroundings to avoid injuring yourself or others.
• Be very careful when using the device. Pay particular attention to: driving, cycling,
or drivining on other means of transport, where ATTENTION is required in
conditions of movement on public roads or public spaces where there is a large
number of people involved in the pursuit of interests.
Warning!
• The device is intended for use only with a built-in rechargeable battery which
can not be exchanged by the user (the device is not dismantled) and the type
and specifications of which are specified in the technical guide of the operating
instructions.
• Ensure that all cable connections are secure and properly connected. Do not insert
any conductive objects into the device connectors.
• When connecting and disconnecting the connector , pull out the connections behind
the connectors, never pull the connection on the cable itself.
• Do not connect signal cables to bundles. Do not pull the cables together. Do not
expose the signal cables to mechanical stress and damage.
• Do not let the signal cables hang freely and do not allow them to be freely
accessible and reachable by children.
There is a risk of serious injury!
There is a risk of electric shock!
• The device contains parts of covers (eg ventilation grilles) that can be heated during
normal operation. Do not cover the ventilation grilles.
• Never leave your device freely accessible and do not leave it with a freely accessible
cable. Children could overthrow the device for the cable.
There is a risk of serious injury!
• Do not store the device with wrapped cord around its body. Wipe the cable loosely in
the way it was folded in the original packaging by the manufacturer.
• Never overload the equipment beyond the limits specified by the technical
specifications!
• If you notice any unusual occurrences (sounds, odors, smoke, etc.) during use
of the device, switch off the device immediately and disconnect it from the power
supply. Have the appliance checked by a specialist workshop.
• Never underestimate the potential hazards and take extreme caution !!!

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Bluetooth® technology
• Bluetooth® technology is a wireless short-range radio signal transmission technology
that enables wireless data communication and synchronization between a digital
device, mobile phone, and headset.
• ORAVA is not responsible for any incidental or consequential damages or other
damages or disclosure of data and/or information that may occur during wireless
transmission.
Frequency band
• This technology uses the 2.4 GHz non-licensed microwave radio frequency band.
Certifications
• This device adheres to frequency constraints and has been certified to comply
with statutory regulations concerning frequency bands. Therefore, no wireless
transmission authorization is required.
The following actions are illegal:
- separation from the main device,
- removing parameter labels.
Designation of use
• This system is intended for normal general use.
• Microwaves from Bluetooth devices may adversely affect the functions of electronic
medical devices.
• Do not use this system near equipment or in a high-frequency interference sensitive
environment, for example:
- places with the presence of combustible gas,
- spaces near automatic door systems, alarm systems such as:
- airports,
- Hospital
- laboratories
- gas stations etc.,
as interference to broadcasting can cause an accident
Restrictions in use
• Wireless transmission and/or use with all Bluetooth® devices can not be
guaranteed.
• All devices must comply with standards set by Bluetooth SIG, Inc.
• Depending on the parameters and settings of the devices, connection may not be
performed or some operations may be different.
• This system supports Bluetooth® security features. However, in some operating
environments or under certain settings this may not be sufficient. Be careful when
transmitting data wirelessly to this system.

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Range of use
• Use a wireless device at a distance of up to 10 m.
• Various types and environmental characteristics, barriers or interference can reduce
the range of transmission (eg metal barriers, walls, people ...).
Interference with other devices
• If this device is located too close to other Bluetooth® devices or devices using the
2.4 GHz frequency band, they may not work properly and may problems with noise
and/or sound interruptions caused by radio waves interference.
• This system may not work properly if radio waves broadcast by a nearby radio
station or similar device are too strong.
Other
• If you feel inconvenience when using Bluetooth®, stop using the Bluetooth device
immediately.
• If any problem persists, contact your nearest ORAVA dealer.
Licenses
• The Bluetooth® word mark and logo are owned by Bluetooth SIG, Inc. and any use
thereof by ORAVA retail 1, a.s. is subject to a license.
• Other trademarks and trade names are the property of their respective owners.

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Device information
• Bluetooth music playback and Bluetooth hands-free calling
Bluetooth 5.0 stereo music playback, hands-free support for mobile phones
• Support for Bluetooth Multipoint Bluetooth technology
Possibility to connect two mobile phones at the same time
• Support for various Bluetooth modes, USB Audio mode for conference calls, AUX IN
connector for music playback from a connected device, PC audio playback via USB
connector (USB Audio)
• True Wireless Stereo (TWS) support
Ability to pair two of these same speakers at the same time to reproduce stereo
sound
• Two independent integrated DSP processors and excellent audio processing
algorithms
The Audio DSP processor improves the effect of music playback, the tri-core Voice
DSP processor improves call quality.
• With 4 speaker drivers to create a 360-degree stereo sound field, Audio DSP and a
highly tuned algorithm, even more balanced sound quality and extremely low sound
distortion are achieved even when playing dynamic music.
• Conference calls
Built-in 4 microphones with high sensitivity (signal-to-noise ratio), a tri-core Voice
DSP processor and well-tuned algorithms allow the speaker to playfully handle
balanced and clear sound of conference calls up to 5 meters.
• Support for mobile Bluetooth hands-free calling / conference calling via common
communication applications such as Skype, WeChat, QQ, Facebook Messenger,
WhatsApp, etc.
• A PC or Apple computer without a Bluetooth interface can be quickly connected to
the speaker using the supplied patented USB Bluetooth adapter without the need to
install drivers.
• 360-degree design with a seamless three-dimensional sound fabric ensures almost
lossless sound reproduction.
• Built-in lithium-ion (Li-Ion) battery with a capacity of 2,500 mAh
Operating time is up to 10 hours and battery life is more than three times that of
conventional batteries.
• Water resistance IPX4.
• Voice guidance
Audible messages for easy operation.

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Power supply
Powered by a built-in rechargeable battery
The device is powered by a built-in 2,500 mAh rechargeable battery.
Before using for the first time or whenever the battery is low (sound is weak, distorted,
the message “Low battery” sounds, or the device turns off completely arbitrarily),
charge the battery.
You can charge the device battery from the mains using a suitable charger with a micro
USB connector (not supplied, 5 V, 700 mA). Charge the battery at least once a month
when you are not using the device.
Connect the charger to a wall socket, and connect the micro USB connector to the
micro USB connector on your device.
The LED indicator of button 1 will flash and the battery will be charged. It takes about
3 hours to charge a fully discharged battery. When the LED is charged, the button
indicator stops flashing. During operation, the LED indicator of button 1 lights up.
You can charge with the device on or off.
Note
If you do not have a suitable charger, you can charge the battery by connecting the
device to a PC with the supplied USB cable. With this connection, the battery in the
device will be charged from the PC, but only if the speaker is turned off. If the speaker
is turned on, it will switch to PC audio playback mode via a USB connection.
Ovládacie prvky

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1 Button 1 (on/off)
Push and hold: turn on/off and activate pairing mode Short press with device on:
play/pause/stop
2 + button
Short press: increase the volume
Push and hold: switch tracks forward
3 - button
Short press: decrease the volume
Push and hold: switch tracks backwards
4 button
Short press: answer/end call Push and hold:
reject an incoming call/cancel all pairings
5 button
(microphone on/off/TWS (True wireless stereo) mode on))
Short press: switch the microphone on/off
Push and hold: turn on the TWS function/disconnect two TWS paired speakers
6 Microphone
4 high sensitivity microphones
7 Micro USB connector
Connect the charger/connect from the USB connector of the PC in order to charge
the speaker/reproduce the sound from the PC
8 3.5 mm audio mini-connector
Connecting an external audio device
Sound settings
1 Turn on the device by pressing and holding button 1 for about 2 seconds. The
device turns on (the button LED indicator lights up (or flashes)).
2 Select the desired audio source.
3 Press + and - during playback to adjust the volume.

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Play via Bluetooth from a Bluetooth
device
1 Turn on the Bluetooth interface on your Bluetooth device (phone, tablet, etc.).
For details, refer to the operating instructions of the device.
2 Turn on this unit by pressing and holding button 1 for about 2 seconds. The device
switches to Bluetooth mode and is ready for pairing (the LED of the button 1 will
light up and the LED of the button will flash).
3 On your Bluetooth device (phone, tablet, etc.), search for available Bluetooth
devices.
For details, refer to the operating instructions of the device.
When Crater 7 appears on the display of your Bluetooth device, select it and wait
until your Bluetooth device displays a confirmation of pairing with Crater 7. On this
device, the LED indicator on the device stops blinking and lights up continuously
and the device sounds “Device paired”. The devices are paired.
4 After pairing, you can start playback on your Bluetooth device. Set the appropriate
volume on it.
For details on playback controls, refer to the operating instructions of the device.
The sound from the paired device will be reproduced by this speaker system.
Playback operations
Playback
Press 1 to start playback.
Pausing
During playback, press 1. Playback pauses.
While paused, press 1 again. Playback resumes.
Feed back: -
During playback, press and hold - to skip to the previous track for about 2 seconds.
Forward feed: +
During playback, press and hold the + button for about 2 seconds to skip to the
next song.
For playback control to work, the connected device must support the AVRCP
Bluetooth profile.
5 Briefly press the + and - buttons during playback to adjust the volume.