S3031A - Soundbar Cello - Free user manual and instructions

Product Type	Soundbar
Brand	Cello
Model	S3031A
Dimensions (W x H x D)	Approx. 90 x 6 x 8 cm
Weight	Approx. 2.5 kg
Power Consumption	30 W
Standby Power Consumption	< 1 W
Audio Channels	2.0
Total Output Power	40 W
Speaker Drivers	2 x full-range drivers
Frequency Response	80 Hz - 20 kHz
Impedance	4 Ω
Connectivity	Bluetooth 5.0, Optical, AUX, USB
Bluetooth Range	10 m
Input Voltage	100-240 V AC, 50/60 Hz
Wall Mountable	Yes (brackets included)
Remote Control	Included (battery type: CR2032)
Standby Mode	Automatic after 10 minutes of inactivity
Cleaning Instructions	Wipe with a dry, soft cloth. Do not use solvents.
Safety Features	Overheat protection, short circuit protection
Repairability	Spare parts available from Cello authorized service centers

Frequently Asked Questions - S3031A Cello

How do I connect the soundbar to my TV?

Use the included optical cable or AUX cable. Connect one end to the soundbar's OPTICAL or AUX input and the other to the corresponding output on your TV. Also, you can connect via Bluetooth by enabling pairing mode on the soundbar and selecting it from your TV's Bluetooth settings.

How do I pair my phone via Bluetooth?

Press the Bluetooth button on the remote or soundbar to enter pairing mode (indicator flashes). On your phone, enable Bluetooth and select 'Cello S3031A' from the list. Once connected, the indicator stops flashing.

Why is there no sound from the soundbar?

Check that the soundbar is powered on and the volume is turned up. Verify the correct input source is selected (e.g., OPTICAL, AUX, Bluetooth). Ensure the cable connections are secure. If using Bluetooth, confirm the device is connected.

How do I reset the soundbar to factory settings?

Press and hold the Power button on the soundbar for about 10 seconds until the power LED flashes. Release the button; the soundbar will restart and reset to default settings.

Can I wall mount the soundbar?

Yes, the soundbar comes with wall-mounting brackets and screws. Attach the brackets to the soundbar, then mount it on the wall using suitable anchors. Ensure the wall can support the weight.

What is the battery type for the remote control?

The remote control uses a CR2032 lithium coin battery. To replace, slide open the battery compartment on the back of the remote and insert the new battery with the + side facing up.

How do I switch between input sources?

Press the Source button on the remote or soundbar repeatedly to cycle through the available inputs: Bluetooth, Optical, AUX, and USB. The current source will be indicated by the LED color on the soundbar.

Does the soundbar support Dolby Atmos?

No, the Cello S3031A is a basic 2.0 channel soundbar and does not support Dolby Atmos or other surround sound formats. It provides stereo audio enhancement for your TV or music.

How do I clean the soundbar?

Disconnect the power before cleaning. Use a soft, dry microfiber cloth to wipe the surface. Do not use any liquids, sprays, or abrasive cleaners as they may damage the finish.

What should I do if the soundbar does not respond to the remote?

First, replace the remote battery with a new CR2032. Ensure there are no obstructions between the remote and the soundbar. If the problem persists, try resetting the soundbar. If still not working, the remote may need replacement.

USER MANUAL S3031A Cello

IMPORTANT SAFETY INSTRUCTIONS....3

PRECAUTIONS 4

Functions & Controls......4

Whats inside the box : 4

Overview of controls - Unit 5

Overview of controls - Remote control....6

User Instructions....6

Connections 6

Getting started 7

General operation....8

Adjusting the sound 8

Play audio through Bluetooth....8

Adjusting the display brightness 9

Wall mounting the Sound bar....9

Care & Maintenance ....10

Troubleshooting....11

SPECIFICATIONS....11

IMPORTANT SAFETY INSTRUCTIONS

This symbol indicates that there are important operating and maintenance instructions in the literature accompanying this unit.

This symbol indicates that dangerous voltage constituting a risk of electric shock is present within this unit.

• All the safety and operating instructions should be read before operating this product and retained for further reference.
  ● All warnings on the appliance and in the operating instructions should be adhered to.
• Do not use this apparatus near water or moisture.
• Clean the apparatus only with a slightly damp cloth.
• Do not block any ventilation openings. Install in accordance with the manufacturer's instruction.
• Do not install near any heat source, such as radiator, heat registers, stoves or any other sources of heat.
• Protect the power cord from being walked on or pinched particularly at the plugs, convenience receptacle and at the point where they exit from the apparatus.
• Only use attachments/accessories specified by manufacturer.
  ● Unplug the apparatus during lightning storms or when unused for long periods of time.
• Refer all servicing to qualified 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 has been exposed to rain or moisture, does not operate normally, or has been dropped.
• WARNING: To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture. The apparatus shall not be exposed to dripping or splashing and that objects with liquids, such as vases, shall not be placed on the apparatus. No naked fame source such as candles should be placed on the product.
  ● WARNING: The battery or battery pack shall not be exposed to excessive heat such as sunshine, fire or the like.
• CAUTION: Changes or modifications not expressly approved by the manufacturer could avoid the user's authority to operate this device.
• CAUTION: Usage of controls or adjustment or performance of products other than those specified herein may result in hazardous exposure.

ELECTRICAL INFORMATION

Use this appliance only with the supplied AC adapter. Using non-approved power supplies will void the warranty.

Mains Supply: The mains operating voltage of this unit is marked on a rating plate on the AC adapter.

The means of disconnecting this appliance from the mains supply is the AC Adapter/mains plug. This should be unobstructed and readily operable at all times.

PRECAUTIONS

Security

● Before operation, check if the voltage of this product is in line with the local voltage.
- Hold the plug to disconnect it from the mains outlet. Do not pull the power cord.
- Disconnect the plug as soon as liquid or objects enter this product. Discontinue use of this product until it has been tested and verified by a qualified service technician.

Location

• Place this product on dry stable surface away from heat and damp and where it is unlikely to fall or be knocked over.
  ● Never put this product in direct sunlight or near heat sources.
  ● There are two rubber pads on the back of the SoundBar. These are provided to ensure these is
• Space behind the SoundBar for the rear-mounted acoustic ports to operate correctly. Do not remove the rubber pads.
• If you are using the SoundBar for TV sound, place it certainly under or above the TV screen. Do not stand a TV on it.

Functions & Controls

The carton should contain:

• 1 x Sound bar
• 1 x Remote control
  • 1 x Audio cable (3.5mm-3.5mm)
  • 1 x Audio cable (Coaxial)

Overview of controls - Unit

1. COAX-- Connect the digital audio output from a TV, DVD or Blu-ray player
2. LINE-- Connect to an analog (Headphone) audio output on the TV or an analog device
3. POWER -- Switch the Soundbar on or off (to standby).
4. SOURCE -- Select the audio source among LINE /COAXIAL/BLUETOOTH.
5. MODE -- Select the sound mode among Movie/Music/Direct/News.
6. VOLUME -/+ -- Increase or decrease the output volume
7. NFC-- NFC function make the speaker connect with mobile phone more quickly
8. DISPLAY-- Indicates the current status of the unit.
9. WALL-MOUNT BRACKETS -- Use these brackets to fix the Sound bar to a wall
10. DC 18V 2A -- Connect to the power supply.

Overview of controls - Remote control

1. Power Button: Switch the Soundbar on or off (to standby).
2. Source Buttons : Select an audio source from LINE, COAX, BLUETOOTH inputs
3. VOL +/- : Increase or decrease the volume output.
4. SOUND EQ MODES: Press repeatedly to cycle through the available sound Audio modes: MOVIE, MUSIC, DIRECT or NEWS.
   15: PREVIOUS : Skip to the previous audio file
   PLAY/PAUSE: Start or pause/ play
   NEXT: Skip to the next audio file
   16: DIMMER : Adjust the display brightness
   17: MUTE: Press to mute or restore volume
   18: PAIR: Press to disable the current Bluetooth connection.
   19: BASS: Increase or decrease bass output.

User Instructions

Connections

Connect the digital audio output from a TV, DVD or Blu-ray player.

1. Connect one end of the coaxial cable (supplied) to the TV, DVD or Blu-ray COAXIAL audio output RCA socket.
2. Connect the other end to the COAX input on the right side of the Sound bar
   NOTE: You may need to activate PCM (Downmix) on your source device (TV, DVD, or Blu-ray player)
   Connection to an audio device such as an MP3 player, using the supplied 3.5mm audio cable.

1. Connect one end of the 3.5mm audio cable (supplied) to the headphone output of your MP3 player or TV.
2. Connect the other end to the AUX input (3.5mm socket) on the right side of the Sound bar

Getting started

Connecting mains power

1. Connect the attached mains plug to a mains power supply socket.

1. Switch the power socket ON.

Installing batteries in the remote

The first time you operate the remote control, please pull out the safety strip to activate the battery.

1. To replace the battery open the battery compartment.

Line drawing of a device with a scroll wheel and arrow indicating direction (no text or symbols)

1. Insert one CR2025 battery, with the polarity (+/-) as indicated.

1. Close the battery compartment.

Notes:

• Remove the batteries from the remote control when not in use for a long period of time.
• Do not install new batteries with used ones and do not mix different types of batteries.
• Dispose of batteries in accordance with local regulations.

General operation

1. Ensure the sound bar is powered ON. If not, press the STANDBY button on the sound bar (3) or remote (11).
2. Press SOURCE button (4 Unit or 12 remote) repeatedly to choose the correct audio inputs. The source chosen will appear on the display. For example:

Adjusting the sound

Volume controls

1. To increase the volume level press the VOL+ button (6 Unit or 13 Remote) repeatedly or press and hold for fast adjustment.
2. To decrease the volume level press the VOL-button (6 Unit or 13 Remote) repeatedly or press and hold for fast adjustment.

Sound effect presets

1. During playback, pressing SOUND EQ button (14 Remote) repeatedly cycles through the 4 available sound modes:
2. DIRECT, MOVIE, MUSIC or NEWS.
3. As you select a sound mode the corresponding name appears on the display to indicate that sound mode is active.

Bass level adjustment

To increase or decrease the bass level, press the BASS button (19 Remote) repeatedly.

Play audio through Bluetooth

1. Press SOURCE button (4 Unit or 12 Remote) repeatedly to choose Bluetooth mode. You will see the Bluetooth LED light on the display.

2. Press the PAIR button (18 Remote) the Bluetooth LED will flash rapidly. The unit will starts searching for the last Bluetooth connection.

3. Turn on Bluetooth function on your device, search for and select BT Soundbar

If connection is successful, the unit beeps and the LED light up stably.

If the pairing can not be completed within one minute, the LED flashes slowly.

• Select and play audio files or music on your Bluetooth device.
• During play, if a call is incoming, music play is paused. Play resumes when the call ends.
• You can also operate the playback using the remote control.

To play, press ▶ on the remote control. To pause/resume play, press ▶ again.

To select music tracks back/forward, press / keys.

1. To disable the current connected Bluetooth device, press PAIR (18 Remote) button

The Bluetooth LED will flash slowly. You can now try to connect your sound bar with another Bluetooth device.

1. To exit Bluetooth, select another source.

Note:

• The operation range between the sound bar and a Bluetooth device is approximately 10 meters (30 ft).
• The music streaming may be interrupted by obstacles between the device and the sound bar, such as wall, metal casing that covers the device, or another device nearby that operates in the same frequency.
• The manufacturer does not guarantee 100% compatibility with all Bluetooth devices.

Adjusting the display brightness

Press the DIMMER button (16) repeatedly to cycle through the 3 brightness states.

Wall mounting the Sound bar

1. Align the Sound bar in the chosen location. Use a pencil to mark the drilling positions 340mm apart.

1. Drill holes as marked in step 1.

1. Insert 2 screws (not supplied) into the holes and tighten. Take care to leave 5mm between the screw heads and the wall.

NOTE: You will need to ensure the screws are long enough to sufficiently grip the wall while allowing 5mm between screw head and the wall.

1. Hook the Sound bar onto the screw heads. For secure mounting ensure the screw heads slide firmly into the narrow part of the brackets.

Care & Maintenance

Important: Always unplug the appliance from the power socket during cleaning and maintenance.

• Ensure the unit is switched off and unplugged from any electrical socket
• Wipe the case with a slightly moist lint free cloth
• Do not use any cleaning fluids containing alcohol, ammonia or abrasives
• Do not spray an aerosol at or near the object
• Do not allow liquids to spill or objects to drop into any openings
• Do not insert sharp items into speaker grills or any other openings
  • Always use the original packaging if it is necessary to transport the unit at any time

If the unit is used in a dusty environment, it may be necessary to have the unit serviced at your local dealer periodically. It is not advisable to allow large deposits of dust to accumulate within the unit as it may prevent adequate cooling. Similarly dust deposits which become damp can sometimes lead to electrical problems which may cause severe damage to the delicate electronics within this unit.

Troubleshooting

If the problem persists, contact the retailer if the soundbar is still under guarantee.

PROBLEM	POSSIBLE SOLUTION
No Power	·Ensure the mains plug is connected to a power supply, and is switched ON.·Make sure there is power to the mains socket.
No Sound	·Make sure if playing from the AUX input, the external source has the volume turned up and is playing a track.·Make sure the volume is turned up.·If using the digital coaxial cable connection ensure the source DIGITAL output is set to PCM, LPCM, PCM 2Ch stereo or PCM downmix.
No response from the unit	·Unplug the power cable for 1 minute then plug back in again.
Remote control does not work	·Reduce the distance between the remote and main unit·Check the batteries are installed correctly.·Replace the batteries·Point the remote directly at the Sound bar

SPECIFICATIONS

NAME	UNITS
Amplifier Power Output	2 x 15 W + 30 W (Subwoofer) @ 1% THD
Frequency Response	20Hz – 20 KHz (+/-) 3dB
Input sensitivity (mV)	500 mV rms
Inputs	SPDIF Coaxial (rear), 3.5 mm Mini-jack
Voltage	110 – 240 V~, 50/60 Hz
Standby Power Consumption	Less than 0.5 W
Full range Speaker Drivers	Impedance: 8 Ohm52mm (2")Frequency Response: 160 Hz – 20 KHz
Subwoofer	Impedance: 4 Ohm78mm (3")Frequency Response: 55 – 160 Hz
Storage Temperature	32F – 140F
Operating Temperature	41F – 95F
Compliances	FCC