Guangzhou Cov Electronic 9811L Speaker User Manual
- June 6, 2024
- Guangzhou Cov Electronic
Table of Contents
Guangzhou Cov Electronic 9811L Speaker
Maintenance instructions
Please read the user manual carefully before operations. Please abide the operations on the user manual or on the unit, and keep the user manual for reference.
- Before using this speaker, please read the operating instructions. To ensure safety, please observe or device to write on here about the operations, these safety and operating instructions should be retained for future reference purposes
- Power line protection Avoid power cord from being walked on, squeezed by a heavy object. When not in use for a long time, please unplug the power cord.
- Ventilation：This device must be placed in a well-ventilated place, please don’t use the dust cover or not cover tablecloths and other things on its top. Not less than 10 cm away from the wall, do not place this apparatus on a bed, sofa, or similar surface use, to avoid affecting the cooling effect.
- Water and moisture: Can not be used in wet areas, such as: bathtubs, sinks, kitchen sink, laundry tub, swimming pool, near a swimming pool etc.. This device should not be exposed to dripping or splashing, and shall not be placed on the speaker, such as vases filled with liquids.
- Heat: Please stay away from heat sources. For example: radiators, heat resistance, various furnaces and other heating devices.
- Electric shock: Care must be taken to prevent objects or liquids fall from the opening or into the machine. Families with children, children must not be allowed to put anything, especially metal placed inside the unit, it may cause an electric shock hazard.
- Back panel disassembly: Avoid non-professional and technical personnel dismantle the rear panel, or it may seriously endanger the personal safety of electrical shock.
- Please remember when cleaning off the power and unplug the power cord, do not use volatile solvents for cleaning, use a clean, soft, dry cloth on the line.
- If the unit fails, significant performance changes or parts of the machine have been artificially damaged and need repair, they must appoint a qualified service personnel.
Control board functions
- Volume knob :To adjust the main volume,clockwise to increase the volume, counterclockwise to decrease the volume.
- TREBLE Knob: Adjust the Mic treble.
- BASS knob: Adjust the Mic bass.
- M.VOL knob: To adjust the Karaoke, clockwise adjustment increases and counterclockwise adjustment decreases the microphone volume
- ECHO knob: To adjust the microphone echo, clockwise to increase the echo counterclockwise to decrease the echo.
- GT.VOL: To adjust the guitar volume.
- MIC: For wired microphone input.
- GT.INPUT: For guitar input.
- Audio input: Input the music with the audio line.
- TF card port.
- USB port.
- MIC PRI: When using a microphone, press the button the music will stop when you are speaking. your words will go with the music when pressed again.
- DC power jack: Use the adapter to connect speaker with AC power.
- CHAR: Speaker in charging indicator, when in charging, the light in red color, when finish charging, the light keep green. (For first several times recharge, please charge the battery in 7-8 hours to last the batteries life)
- DIGITAL MP3 PLAYER: Display to show different modes during FM, MP3 and blue tooth.
- Power switch.
- LED: The switch of the LED light. 17. When in MP3(TF,USB, blue tooth ) status, press it to previous song/FM status, press it to decrease the frequency
- 18. When in MP3(TF, USB, blue tooth ) status, press the button to pause it,press again to play it. When in FM input, press the button to scan stations automatically and save them.
- When in MP3(TF, USB, blue tooth ) status, press it to next song/FM status, press it to increase the frequency.
Bluetooth function
When the speaker changes into blue tooth mode, the digital display will show “BLUE TOOTH” then use mobile or another machine to search the speaker, you will find “9811L” in the list, connect it, and if successful , the speaker will sound “di”.
Wireless microphone “
Attention:
- Keep away from the metal, don’t use it through wall,s etc.
- Use it within 30M, low power battery and the bad environment will affect the user.
- If you buy 2 or more equipment of we company, PLS choose different frequency microphone. if the microphone have the same frequency,PLS keep them more than 100M distance.
- PLS keep away from DVD/VCD/CD they will affect each other if they have the same frequency.
Remote control functions
- Power: When in working status,press the button into standby;press again will be in working status.
- MODE： Press the button to change USB/FM/BLUE TOOTH signal input.
- When in MP3(TF , USB, blue tooth ) status, press it to next song/FM status, press it to increase the frequency.
- EQ： Acoustic field styles.
- VOL‐:Volume minus
- Digital number: When using USB/TF/FM /blue tooth, press the series number to choose the song /station.
- Mute button
- When in MP3(TF ,USB, blue tooth ) status, press the button to pause it,press again to play it. When in FM input, press the button to scan stations automatically and save them.
- VOL+:Volume plus
- SCAN:when in FM input, press this button to scan the FM stations.
- REP:Press this for single song cycle, press again to stop single cycle.
Simple failure examination
| failures | Possible causes | Solutions |
|---|
No sound
| Don’t connect the power Connect speakers in wrong way
Input/output connected in
wrong way
| Connect the power supply Examine the speakers’ connection
Connect the input/output in right way
| Input mode is wrong Terminals in short circuit| Choose the right input mode
Connect all the speakers then turn on the unit
---|---|---
One channel no
sound
| Connection in wrong
way
| Examine the connections
Noise| input ground bad or bad
connection
| Connect the speakers or examine the
input sound resource
Karaoke no sound
| The microphone do not insert the jacks fully Microphone is off Microphone volume is in
the bottom
| Insert the microphone into the jack fully
Turn on the microphone Increase the microphone volume
Specifications
- Model No.:······························································ 9811L
- Frequency range(Power amplifier)······················································35Hz-19KHz
- Voltage·································································AC110-240V/50-60Hz
- Power (RMS)·································································100W
FCC Warning Statement
Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
This device complies with part 15 of the FCC Rules. Operation is subject to
the following two conditions: (1) This device may not cause harmful
interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
RF Exposure Statement
To maintain compliance with FCC’s RF exposure guidelines, This equipment
should be installed and operated with a minimum distance of 20cm from the
radiator your body. This device and its antenna(s) must not be co-located or
operated in conjunction with any other antenna or transmitter.