Electronic books (readers) are becoming increasingly popular and are replacing the paper. These devices are mobile, compact, operate without recharging for up to a month. In addition, it provides the user with convenience and comfort, and now it is not necessary to carry a lot of heavy and bulky books, only one compact gadget. These books help you save as much literature in digital format is freely available.
The main task of these gadgets - Display text in digital form. Functionally, they are similar to the plates, but have a more limited capacity. But as a distinctive advantage is to provide a duration of work without recharging.
Content:
- Types of e-book 7 "
- Characteristics
- E-book function 7 "
- Exploitation
- malfunctions
Types of e-book 7 "
Relative to the type of screen readers are divided into two classes:
- TFT devices;
- E-Ink device.
TFT screen
TFT technology has become familiar to many users, it is used in tablets, smartphones, monitors, televisions and laptops. Readers with such displays act as multimedia devices that provide video viewing function.
Among the benefits is to provide the following:
- reasonable price;
- view video clips and color photos;
- ease of use even in low light, thanks to the lighting.
Some disadvantages:
- increased load on vision, eye fatigue occurs after prolonged reading;
- in sunny weather, may cause glare on the display;
- relatively small duration of the battery;
- they are heavier than the E-Ink electronic gadgets.
E-Ink screen
Technology E-Ink is the latest achievement in the field of reader designs. It has been designed to maximize the imitation of paper. At the heart of the construction of "electronic ink" are small capsules that are filled with granules of white and black.
The main advantage of such gadgets is safe to view, even after prolonged reading eye is not exposed to any negative influence.
Advantages of e-book with the E-Ink screen 7 ":
- duration Gadget - view up to 10 000 pages per charge unit, since energy is spent only on the display when the update page turning;
- no reflections on the display in the sun;
- this screen corresponds to the construction paper pages of a book.
Disadvantages:
- cost of the device;
- delays in turning the pages, the display may flicker;
- You can not view color photos or play video files;
- backlight is present only in high-end models.
Characteristics
Screen size
Diagonal screen reader may have a different size, but generally ranges from 5 to 10 inches. The most common are the gadgets with a screen size of 7 inches. Optimal resolution of 800x600 pixels.
Devices with a diagonal, which is more than 8 inches, suitable for home use.
Memory
Modern e-book reader with a screen 7 inches have two types of memory: built-in and external. Typically, the amount of internal memory does not exceed 1024 MB.
The external memory is a microSD or SD card, and may contain gigabytes of data, this is particularly important when storing the video on the device.
formats
Most readers with a screen 7 inches support HTML, FB2, RTF, TXT. Some gadgets recognize and other formats, but their cost is much higher. If your gadget does not support a particular file format, a special software application converts the information in a valid format.
The most popular format is MP3 audio files. In many gadgets is a function of listening to music through the built-in speakers or through headphones. Most functional units further supports and formats APE FLAC.
Almost all readers perceive the JPEG image format. Support for other file formats such as TIFF, GIF, PNG, depending on the model.
Control
Maybe a touch or mechanical. The mechanical method Control is durable and reliable. But, sensor It is more convenient when you make changes or edit information. It should be borne in mind that with a touch screen gadgets are more fragile and susceptible to contamination.
E-book function 7 "
- Voice recorder - it is not a mandatory element, provides an audio recording of sufficient quality.
- Speakers - you can listen to audio files at the same time to multiple users, it is not possible when using headphones.
- Radio - possible to connect to your favorite radio stations without any additional devices.
- Wi-Fi - provides a function of data download over the wireless network without using a computer.
Exploitation
The most fragile element considered reader display. We recommend to buy a special cover to keep the integrity of the gadget, to protect against damage.
Severe contamination of the sensor sometimes causes a loss of efficiency. To prevent this, you need only occasionally wipe it with a dry cloth. If heavily soiled, you should use a damp cloth, when it is necessary to prevent the ingress of moisture into the housing. It is strictly forbidden to use detergents or solvents.
Coverage TFT screen with the film can be protected from scratches and clogging, but in the case of "electronic ink" it will only worsen the picture.
Built-in battery is damaged when exposed to low temperatures. Therefore, in cold weather, readers are better placed in a warm place, such as in an inner pocket.
E-Ink devices is categorically counter exposure to sunlight or moisture. If the liquid gets on the gadget, it is not necessary to disassemble the reader, it is better to wipe the display with a dry cloth.
malfunctions
The most common problem is the hang-up e-book. In this case, the gadget is no apparent reason does not respond to touch the sensor, or pressing the button. The cause may be a malfunction of the software, mechanical failure, or liquid has been spilled into the housing.
In addition, the gadget may stop responding because of the attempts of unknown file format playback, or when working with corrupted data. With frequent cases hovering should urgently contact the service center, it will help prevent more serious problems.
Self-correct the situation stands, first of all, turn off and turn on the gadget, or do a reboot. If the performance of the gadget is not restored, remove the back cover and the battery. After 10 seconds, return it and turn on the gadget. In extreme cases, you can format the gadget and go back to the factory settings, all user files will be deleted.
If you do not get to grips with the problem on their own, be sure to contact a service center.
Using the tablet
tablet screen is considered to be less safe for the view than the "electronic ink". Sustained reading will lead to fatigue and dry eye syndrome, even at high resolution.
By working back-end applications, while the Tablet PC on a single charge is low. But only on the tablet, you will be able to fully use the Internet, send email, install a variety of applications. It supports all text formats.
On the plate is recommended to install a special application software and convert the information in any format. Interestingly, the value of the common models of tablets close to the price of some readers.
Using netbook
Laptops with screen 7 inches have found their niche in the market of electronic gadgets. This netbook contains the complete functionality of a personal computer, and thus pleases his mobility. It is characterized by low weight, compact size, and will allow to enter the e-mail, make changes to the documentation, install the necessary software.
On these laptops running one of the following operating systems: Windows, Linux, Android.
Modern technologies have touched all sectors of our life. Devices for reading e-books have made life easier and more comfortable users. To read your favorite literary work, enough to write it on a compact gadget. As a result, the book is available to read at any time and in any light.
The screen size of 7 inches is considered optimal. It is stored as the display information, the gadget mobility and reasonable price.
A clear choice in favor of a particular gadget depends on the personal preferences of the user and required functionality. Before buying is to determine the type of gadget, and then choose the specific model. Carefully read according to the manufacturer specifications and user reviews.