Electronic books illuminated: device and Kharkteristika

E-book - is a device that looks similar to a tablet, but different functionality. These devices are called chitalke and they differ from each other.

The apparatus and characteristics

Technology E-lnk

First of all, different types of screens. The classic version - E-lnk, which looks like paper and is made with the use of "electronic ink," which does not tire the eyes when reading, and the battery lasts longer.

This type continues to rapidly evolve, thus forming new subtypes. One E-lnk Pearl - in this model, change the display contrast - it became elevated, decreased during the screen refresh.

Contrast E-lnk VizPlex - technology that is outdated and not used in the current model. When using this type suffers contrast, sharpness and picture update rate.

If the selected model type is present E-lnk, then they present the pros and cons.

Pros such displays:

• Eyes get tired less, which is good for your health;
• Battery use is small in comparison with other types of models.

Cons E-lnk:

• For comfortable reading model is used with light or need to read in the room with light;
• One can notice the response delay in the transition to another page.

technology TFT

TFT displays are used in tablets and smartphones. They are suitable for video playback and transmit the rich colors. If this model is equipped with a display view, then it comfortable to play games and to use in the dark. But due to the fact that the colors are saturated, the battery lasts for a few hours. A reading from the long eyes may become tired.

Size and resolution

Even modern versions differ in size and display resolution. If say a few words about the resolution, this number of points (pixels) in length and width, which is formed from a monitor. The more pixels, the sharper the image.

In terms of size, the classic version is 6 inches and a native resolution of no more than 800x600 pixels. But manufactured and compact models, the size of which varies 4-5 inches. The advantage of such species can be considered that they can easily fit in your pocket.

And those having a size of 8-10 inches, adapted for use custom font, respectively, for these types requires a higher resolution.

E-books, including those equipped with the backlight function, have a touch screen. Its disadvantage is that it is prone to contamination and it is influenced by external factors. The choice depends on you - touch or another.

memory size

Each model has a memory, it can be different:

• Standard memory - integrated in the unit itself, the volume of which is not more than 8GB. This amount of memory is enough to store all the necessary files.
• memory expansion function - at the expense of an additional card. Reader is installed in the new models, they are capable of supporting storage, the amount of memory that does not exceed 32 GB. To memory enough for comfortable use, the amount of text file should not exceed about 1 MB, and if there are images (pictures), then no more than 10 MB per file.

file formats

Current models are capable of supporting all popular text formats. Some types of support playback of music, reading files in MP3, FLAC, WAV. This allows you to listen to audio files at the same time reading the text, it will certainly a plus for some users.

Some types contain a built-in speaker, which makes it possible to play music and video without headphones. A voice recorder function will be a pleasant surprise for the users.

Design

The main buttons are located not chaotically, as well as to make the user feel comfortable control. This applies to devices such as touch screens, and without it.

These switches include:

• Basic operation buttons such as start, stop and restart.
• Buttons to adjust the volume (if there is a speaker or headphones).
• Switches to scroll through the pages.

functions

The book is equipped with lighting built-in flashlight, which sanctifies the area where the text is displayed. Or, the backlight provides additional cover, which can accommodate an LED that will draw power from the battery.

To check how comfortable you read this or that text into the device already uploaded several templates. After you have made your purchase, in the box with the device, you can find additional accessories.

The list includes the charger cable to it may be removable so that when need to be replaced by another, or use it to connect to your computer without the use of cards memory.

Memory card - whether it will be included in the kit, the manufacturer decides. Carefully read the information on the box. Cover - can be included in the set, provided that the manufacturer provides this accessory. The set can be a USB cable, by means of which can be connected to a PC.

Terms of use

• If the book is equipped with infrared sensor, then exercise caution when using outdoors or in other places. Since the sensor is vulnerable to outside influence. Suffice it to water splashes onto the screen and the sensor then gives malfunctions.
• To protect the device need special film, which is sold in electronics stores. It helps protect against the formation of fine scratches, especially if the display cover is made of plastic instead of glass.
• No need to insert through the power cable into the connector, it leads to its rapid wear or breakage.
• Try not to use the machine when it is being charged. This leads to the deterioration of the battery, and as a result, the operating time will be reduced at times.
• If you fall from a height, there is risk of the book down. Do not drop the device.

malfunctions

Part of the problem faced by the users - suspension. Most often this problem is solved reboot. But if this does not work, then on the back or on the side panel is a button that is labeled as a «reset». Activation is performed by needles or pins, as it is in a small hole.

Due to various mechanical damage failure comes touchscreen. It may be rendered useless if dropped or transportation. Detect such a fault can be if your monitor does not respond to touch, or form a small area where there is no response to touch. It is better if such a failure to contact the service center.

When mechanical damage fails and the matrix. This becomes noticeable when fully formed, no picture or dark areas, cracks. The only solution in this situation would be the replacement of the matrix.

If you use this machine a relatively long time, the failure may be due to the fact that he had served his own. Each button has a resource presses, and when this resource is exhausted, it may be breakage of a button. In this case, it will be replaced.

When careless handling can damage the connectors, through which the charging or additional memory connection. This is manifested when the unit does not charge when connected charging. This can help in soldering the connector, or replace it.

may fail after a long battery life time or careless handling. In this case, you need only replace the battery with a new one.

Frequent power drops can cause damage to the charger. This is manifested in the following - the device stops charging but the charger is connected to the other, "eats" the battery is okay. In this case, change the battery at the same power.

Pros and cons of e-books with backlight

A device for reading electronic books, which is equipped with lighting, can be used at night or during the day. And no need to constantly carry kilos of waste paper. Giving one hour for something to download interesting book from the internet and move to the memory card.

Such a device can save a round sum of money, if you're a fan of reading. You can do without the storage shelves of literature, you just have to buy a memory card or use the built-in memory. If you lose the book is enough to download it again.

Among the additional features - you can highlight the text you want for your own purposes or to use bookmarks, notes in the margin. You can make a connection to the Internet, and all book resources immediately available for you to use.

mp3 format playback function makes it possible to use the audio, if the reading is not available, or do you like to listen to music while reading.

But there are disadvantages:

• depending on the battery - you do not continue reading if the battery is mounted, it is necessary to wait for the charge recovery;
• backlight function shortens the time of the e-book.