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Do you know the difference between ordinary headphones and headphones?

Ordinary headphones for civilian consumption, used to listen to music, listen to radio, watch movies.

Ordinary headphones have the following characteristics:

1, the frequency response as wide as possible wide, so that a variety of music to enjoy a good effect;

2, the efficiency is relatively high, to adapt to civilian output equipment, relatively small output capacity of the headset line; three is light weight, wear to be comfortable.

Listen to bluetooth headphones is not added to the sound rendering headphones, is relative to the high-fidelity headphones in terms of. By listening to headphones, you can hear the most close to the real, without any modification of the sound quality. It is widely used in recording studios, dubbing rooms, television stations, radio stations and MIDI studios and other fields.

Listening to headphones to have the characteristics are:

1, monitor headset rugged, easy to repair and maintenance;

2, monitor the headset frequency response should be wide enough, fast, to ensure that the need to monitor the frequency range of the signal distortion as small as possible, with a clear response to the characteristics of the ability to listen to the object.

Monitor the difference between headphones and ordinary headphones only depends on the use of targeted.

Including recording monitoring, late mixing monitor, stage ear monitor, DJ monitor, off-site monitoring, etc., by the way a variety of military engineering is also listening to the scope.

Light recording can also monitor the human head recording, instrument monitoring, etc., do not care too strict classification, a lot of listening headphones can be used multi-purpose.

Specifically for the studio listening smartomi bluetooth headphones in the sound field does not necessarily do a lot, an ear is not necessarily back to any shock or even feel ugly is possible, but not necessarily the so-called straightforward, high resolution , The sound of cold, no music, this is just the majority of people listening to a misunderstanding only.

Each headset manufacturers have different styles, to say that straightforward high-resolution cold alarm monitoring headset manufacturers should be the most famous should be non-Bayern, but Baia in the field of recording applications is not well known, it is long been AKG champion For a long time, although now the major manufacturers have also made a hundred forces contend for what.

How to use the Bluetooth headphones desktop?

Nowadays, Bluetooth headphones comes more and more popular, so many people bought bluetooth headphones, but most of them don’t know how to use the bluetooth headphones desktop, today let’s talk about this problem.hope can help you a lot.
1, the installation of Bluetooth adapter driver, I use the IVT bluesoleil 2.1.3.0, can support stereo Bluetooth headset function A2DP (Advance Audio Distribution Profile).

2, the Bluetooth adapter into the computer's USB port, open the IVT bluesoleil software, automatically find the Bluetooth adapter, the lower right corner of the taskbar logo will become blue.

3, the smartomi Bluetooth headphones selected to match the state (non-ordinary standby mode, see the specific operation or see our forum related guidance article), IVT bluesoleil software menu inside select, search for Bluetooth devices, find, select the Bluetooth headset, Connection "after the taskbar prompts the PIN code text, will require the input Bluetooth headset verification code, usually 0000, 1234, 8888, the specific circumstances, please see the instructions.

4, when completed, the computer will automatically connect.

Then you will hear the Bluetooth headphones "ding dong ... ding dong" sound, it is only completed half, and that communication is no problem.

5, control panel - sound and audio equipment

The music playback and recording equipment to Bluetooth devices.

Music player and recording device with 2 Bluetooth devices ~! Have to change to Bluetooth SCO Audio Bluetooth device or the sound out of ~! The The

6. Then click "Test Hardware"

(Tip: If the computer prompts "can not complete the sound hardware test guide" please press the Bluetooth headset switch until the headphones without any sound issued.)

After the test is successful, you can use the smartomi bluetooth headphones to connect the computer to listen to music.

Now you can enjoy the joy of wireless equipment.

PS: Bluetooth headset each time the connection, or there will be "ding dong ..." connection sound, just press the Bluetooth headset key to turn it off, but pay attention to see the taskbar of the Bluetooth service logo has not become green The If it is not green, prove that the Bluetooth device has stopped service and needs to be reconnected. In addition, the recommended computer with the latest version of the driver, IVT bluesoleil 2.1.3.0, can support stereo bluetooth headphones function A2DP.

Do you know the advantages and disadvantages of Bluetooth headphones?

Bluetooth headset With the continuous progress of science and technology, more and more common in life, there are many friends to ordinary headphones into a Bluetooth headset. Bluetooth headset is easy to use, but with Bluetooth headphones with radiation? With Bluetooth headphones benefits and hazards which? Here let’s talk about Bluetooth headphones benefits and hazards.
Use the benefits of a Bluetooth headset

When using a bluetooth headphones to answer or make a call, the phone will transmit and receive electromagnetic waves from the antenna, so the impact of radiation on the human body will become relatively weak due to the distance.

Although the bluetooth headphones radiation is relatively small, but we should not be ignored, so be sure to use the correct.
Bluetooth headset hazards

1. From the perspective of radiation, bluetooth headphones radiation is only one hundredth of the phone, than the average wired headset to use the radiation even lower. So in terms of radiation, Bluetooth headset is safe.

2. From the perspective of the headset, long-term wear headphones, too much volume will have some damage to the human ear hearing, of course, not long, large volume of the use of headphones.

But the headphones itself, long-term wear on the body has some damage. Long-term use of headphones to answer the phone or music, because the eardrum and headphones vibration film is very close, the acoustic wave range is small and concentrated, the auditory nerve stimulation of the eardrum is relatively large, easy to cause dizziness, tinnitus, hearing loss, heavy hearing; Several or even ten hours, there may be sudden deafness. Ear plugs on the external auditory canal can cause chronic stimulation, causing inflammation of the ear; In addition, wearing a headset for too long, the spirit will always be in a state of tension, is not conducive to health.

So should avoid long-term use of headphones, Bluetooth is no exception, such as the use of intermittent and the sound can not be too big, just listen to clear. Do not listen to people in the noisy place, so you will be unable to hear the volume and increase the volume. It is recommended to listen to the headset wearing only one, listen to some time for another ear to listen to, this will reduce the impact on hearing.
Any electronic products are good and bad, mainly to see how you use with it. And if cheap bluetooth headphones ,its hazards will more than its benefits. Maybe you can come to https://www.smartomi.com to have a look.

Bluetooth headphone evaluation


By adtozhou, 2017-10-12
Bluetooth headphone evaluation

As a smartomi headphone, it need to face the user or the quality of the test, of course, this is a very subjective test. Music camera Bluetooth headphone with a Bluetooth 4.1 chip, the advantage is more power, transmission distance is longer, the effective distance can be about 10 meters, and the connection faster.

Hardware, it is used before and after the independent reflection of the sound chamber, especially in the bass part, than the average headphone to be clear a lot. And in actual use is also true.

Usually like to listen to some work to ease the peace of music, or even pure music. Often open the music APP, the first option is certainly "work refueling." So, the middle part is the most often heard, here to tell the truth, and not too unexpected, not very stunning, performance quite satisfactory.

However, as mentioned earlier, in the bass part of the headphone performance is very good, generally very obscure flute sound, tone of the bass sound, sounds very clear, dive is in place.

In addition, in sports, often listen to some strong sense of rhythm of music, high school bass mixed place is very much, excellent place is the subwoofer into the very telepresence. Compared with the excellent performance of the bass, the treble part of the little holes that give the kind of sense of high C.

After three weeks, this music movement mini bluetooth headphones has been tried for more than three weeks, has long been used to open the phone to connect Bluetooth, boot 1 second even people think this is a matter of course. Do not have time to wipe the sweat by hand is how chic. Take the headphone ride on the car on the road Ben is how comfortable. Three weeks that is transformed ... ... release a real oneself.

But still want to Tucao here, with the headphone to answer the phone always have embarrassment, from time to time the signal will be relatively poor, had to disconnect Bluetooth directly with the phone microphone to answer, do not know is not Mishapao.

Of course, the last thing to say, this smartomi headphone in addition to a satisfactory performance, the price is also the world's best, the price of 199 yuan to other brands of sports Bluetooth headphone Feixing.

With the development of economic and technological, bluetooth headphones become more and more common in our life,coupled with the history of 2013, the most stringent implementation of the traffic, while driving the phone will face a penalty of 2 points, many owners choose to buy Bluetooth headphones, buy After suffering but do not know how to connect Bluetooth headphones phone,

First: the Bluetooth headphones is to match the success of the phone, you can use the Bluetooth headset to answer or hang up the phone and so on.

Second: Bluetooth headphones has several ways to wear: single ear is divided into: ear hanging and ear plug type. Headset is divided into: ears and ears earbuds. There is also a: after wearing a Bluetooth headphones. This is relatively rare.

Third: you can according to their actual use to choose their own Bluetooth headphones to use.

General phone and bluetooth headphones connection there are two cases, the detailed steps are as follows:

The first case: the new Bluetooth headphones and mobile phone connection steps: 1, the phone's Bluetooth function is turned on. 2, go to search for Bluetooth status. 3, open the Bluetooth switch, the new Bluetooth will automatically enter the match mode. 4, Bluetooth headphones blue light, red light alternately flashing, search phone automatically connected. 5, pay attention to mobile phones and Bluetooth headphones distance to 10 meters.

Phone and Bluetooth headphones secondary connection, the steps are as follows:

1, the phone to open the Bluetooth function, go to search the Bluetooth headphones status.

2, so that the Bluetooth headphones in the boot state, you need to press the Bluetooth headset answer key.

3, until the light: blue light alternately flash and then release.

4, this time the Bluetooth headphones and mobile phone will once again into the match.

5, and other mobile phone above the display of this Bluetooth device, click OK to connect to use.

6, pay attention to mobile phones and Bluetooth headphones distance to 10 meters.

After my introduction, do you have the use of Bluetooth headset has a certain understanding of it ? Hoping these will really help you a lot. Any questions, you can come to smartomi to know more about. Here will give you the answer you want, also will supply you good smartomi bluetooth headphones.

User's Guide: How to Replace the Toner Cartridge on a Brother DCP-L2540DW Laser Multi-function Copier

The Brother DCP-L2540DW is a dependable, economical monochrome laser multi-function copier for home or small office use. With its solid design and price tag, this copier is a desk-friendly machine that you can trust. It has an up to 250-sheet capacity tray, connects with ease via wireless networking or Ethernet, and prints and copies at up to 30ppm. It also has the ability to print from compatible mobile devices over your wireless network, and scan documents to a variety of destinations.

The Brother DCP-L2540DW uses a tn660 toner (powder-based) instead of ink, so you get smudge-free images and text. Toners eventually run out after continued use. It is advisable to have an adequate printing supply in your home or office for maintaining operations. Stocking up on supplies will help to keep your copier running efficiently. V4ink offers a high quality replacement Brother TN660 black toner cartridge for the Brother DCP-L2540DW printer. This toner is professionally engineered to meet or exceed the genuine specifications and quality output of the Brother TN660. It offers a printing yield of up-to 2,600 pages ideal for high-volume printing.

Being able to replace your copier's toner cartridge quickly and correctly lets you get back to work faster. If you are looking for quick and easy steps on how to replace the toner cartridge in your Brother DCP-L2540DW, follow the instructions below.

Step 1 – Turn on your machine and open the front cover.

Step 2 – Take the empty toner out by pushing down the lock lever on the drum unit assembly. It is a good idea to grab some paper towel just in case your old toner spills so you won't have a hard time cleaning it up on your table. Wrap up the empty toner before keeping it to somewhere safely.

Step 3 – Unpack the new brother toner cartridge. Try shaking it a few times carefully before removing the orange shield or protector. It is actually quite possible that the powder substance inside it has settled during storage. Shaking allows the toner powder to spread evenly on the inside. thus, getting as many page prints as possible.

Step 4 – Install the new toner by putting it into the drum unit. This should just fall into its position and snap into place.

Step 5 – Move the corona wire cleaner back and forth several times and put the whole thing back into the machine then close the cover.

The copier will then figure out for itself and detect the new toner installed. Press the "Go" button three times to print a test page. When it's done, then you're ready to go!

If you want to stock up on replacement Brother TN660 black toner cartridge, V4ink has it for you at very low prices. Just check out our website for more options. We have compatible as well as genuine replacements available for your Brother DCP-L2540DW.

Posted in: toner cartridge

Troubleshooting of Toner LED flashing


By adtozhou, 2017-06-13
Troubleshooting of Toner LED flashing

I just replaced the tn450 toner cartridge and the LCD continues to display the message "Toner Low" / "Replace Toner" / "Toner Ended" or the Toner LED is still on or flashing.

If the machine's display or LED continues to show the Toner Low, Replace Toner or Toner Ended error indication after installing a new toner cartridge, follow the steps below to resolve the issue.

1. Verify that you didn't replace a different consumable by mistake.
The Brother machine has separate consumables - the toner cartridge and the drum unit. Verify you replace only the toner cartridge and not the drum unit.

2. Verify you are using a NEW Brother toner cartridge.
When replacing the toner cartridge, you MUST install a brand new, unused genuine Brother toner cartridge in order to reset the toner status. Swapping toner cartridges from one machine to another or installing a partially used toner cartridge may cause this issue. Brother machines control their image quality for the most suitable print quality by monitoring toner consumption. If you install a partially used toner cartridge, your Brother machine is unable to recognise toner consumption correctly which will cause this issue. Therefore, when you replace the toner cartridge, use a brand new toner cartridge, not a partially used toner cartridge from another machine.

3. Verify you are using a GENUINE Brother toner cartridge.
For optimum performance, use only new genuine Brother brand consumables which are specially formulated to ensure top print quality. Printing with non-Brother genuine toner cartridges may reduce not only the print quality but also the performance quality and life of the machine. If damage is caused to the drum unit or other parts of the machine as a result of using hp ink cartridges, any repairs required as a result will not be covered by the Brother limited warranty.

4. Verify the toner cartridge is installed correctly.
If you install a new genuine Brother toner cartridge but the "Toner Low", "Replace Toner" or "Toner Ended" error indication remains, the toner cartridge may not be installed correctly.
Reinstall the toner cartridge, referring to the instructions on how to replace the toner cartridge.

5. Clean the corona wire.
This issue may have occurred because the corona wire has become dirty.

6. Update the firmware to the latest version.
Go to the Downloads section of this website to check the latest version of the firmware.
If you see the Firmware Update Tool in the Downloads section, check detail information to identify the firmware version. If the firmware version of your Brother machine is earlier than the latest version, update the firmware. Follow the installation instructions on the download page.

Posted in: toner cartridge
Get familiar with printer supplies-toner cartridge maintenance small recipe

1, extend cartridge life (note: not necessarily valid)

We know that the laser printer in the use of a longer period of time after the print out of the text, the image will appear blurred, bottom ash and other phenomena. Even if the replacement of a new toner cartridge is not solve the problem, then we should take into account the problem may be a cartridge. We know that laser printer toner cartridges have a life: more than 10,000 ships, such as Hewlett-Packard, Lenovo. When the life of the cartridge to a later, there will be the phenomenon. This is mainly due to photosensitive drum surface photosensitive properties of aging, the surface potential decline, the residual voltage increases, affecting the imaging cartridge caused by (see the first part of the printing principle).

Is there any way to make the cartridge back to life? I thought of the surface of the cartridge is a layer of non-toxic organic compounds with photosensitive properties, when in the light, the coating will be conductive. In a number of chemical guidance of friends, I finally get it Cr2O3. As follows: Take to 5 g of chromium oxide, with lens paper dipped directly in one direction along the drum carefully wipe (do not wipe back and forth!) Again, to completely wipe the surface of the drum, do not miss. Wipe should be particularly careful: gentle, and then more gentle! Also note that your nails will scratch the drum tympanic membrane. Through the above-mentioned photosensitive drum can be re-printed thousands of pages to 10,000! What about it? You can save a lot of money, of course, this method may not be effective Oh.

2, full use of laser printer toner cartridges (Note: You can try)

Since Epson (Epson) series laser printer with excellent print performance and convenient operation performance in the community there are a considerable number of users. But because of its more expensive supplies and the use of the cartridge is very easy to fatigue, when the fatigue, the drum surface can not be returned in the print media will leave a very "heavy" background, a direct impact on the print.

Although the above mentioned also wipe with the chromium oxide cartridges, toner cartridge can eliminate the fatigue phenomenon, but this method may not be feasible. Because chromium oxide is solid particles (can not be dissolved), use it to wipe the surface of the drum, it may damage the drum surface. Some friends in the test of this method, but no effect, but the surface damage to the drum is very serious. After a number of tests, we also found a very simple method to eliminate the drum surface fatigue phenomenon, with this method, a cartridge can print more than 15,000 documents.

Specific methods are as follows: When the drum fatigue phenomenon, the first to remove the cartridge shell, in order to prevent damage to the drum surface, a soft cloth can be used to wrap the drum surface, remove the shell, carefully remove the cartridge, the sun exposure To two hours, although the printer manual is strictly prohibited on the cartridge under the sun exposure. But this method is indeed valid, anyway, dead horse as a living horse to medicine it! And then poured waste toner powder box, a small screwdriver can be used in the waste toner box back and forth, the toner will soon come out, this will prevent the powder when confused full "dust" flying, will be poured out Of the toner collected up and down the toner cartridge, but also for you to save an expenditure. After cleaning the surface for a soft cloth and toner cartridges some of the parts, after the installation of a good cartridge, that you are done. Then you will be pleasantly surprised to find that the original unbearable purpose of the manuscript now "clear" visible, originally very "heavy" background wiped out. The above test is a friend's personal experience, each time can be successful, you may wish to try it effective!

Printer ink refill, help you print high-quality documents, photos, and graphics.
Cheapest place to buy printer ink: v4ink.com

Posted in: toner cartridge
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