1. Киришүү
This manual provides detailed instructions for the operation and maintenance of your EVISTR 32GB Digital Voice Recorder, Model L157. Please read this manual thoroughly before using the device to ensure proper functionality and to maximize its features.
2. Продукциянын өзгөчөлүктөрү
- Upgraded Recording Quality: Dynamic noise cancellation microphone for 1536kpbs crystal clear audio.
- Оңой File өткөрүүсү: Supports MP3 (128kpbs, 64kpbs) / WAV (1536kpbs) recording quality. Simple transfer to computer via USB cable.
- Simple & Powerful Operation: One-button recording (Rec) and saving (Stop). Features A-B repeat, fast forward, and rewind during playback.
- Voice Activated Recording (AVR): Records only when voice is detected, reducing blank space.
- Auto Record Function: Schedule automatic recording at specific times.
- Оңой File Башкаруу: Recordings include time stamps for easy organization.
- MP3 ойноткучтун функциялары: Supports MP3/WAV/FLAC/APE/OGG/WMA formats for music playback.
- Компакт жана жеңил дизайн: Portable and comfortable to hold.

Image: The EVISTR Digital Voice Recorder showcasing its 1536Kbps CPM recording capability, indicating high-quality audio capture with a professional audio chip.
3. Пакеттин мазмуну
Сураныч, бардык буюмдар бар экенине ынануу үчүн пакетти кылдат текшериңиз:
- 1 x EVISTR Digital Voice Recorder (Model L157)
- 1 x USB кабели
- 1 x User Manual

Image: Contents of the EVISTR Digital Voice Recorder package, showing the recorder, a braided USB cable, and the printed user manual, all neatly arranged next to the product box.
4. Продукциянын жайгашуусу жана башкаруу элементтери
Familiarize yourself with the buttons and ports on your EVISTR Digital Voice Recorder:

Сүрөт: алдыңкы view of the EVISTR Digital Voice Recorder, displaying its metallic microphone grille, LCD screen, and control buttons including REC, STOP, PLAY, MENU, and M (Mode).
- Микрофон: Located at the top for audio input.
- LCD дисплей: Shows recording status, time, battery, and menu options.
- REC Button (Red Circle): Жазууну баштоо үчүн басыңыз.
- STOP Button (Square): Press to stop recording and save the file.
- PLAY Button (Triangle): Press to play back recordings or music.
- MENU баскычы: Accesses device settings and options.
- M баскычы: Used for mode selection or specific functions within menus.
- Үн баскычтары (+/-): Ойнотуу үнүн тууралоо.
- USB порт: Заряддоо жана компьютерге туташтыруу үчүн.
- Гарнитура уячасы: Жеке угуу үчүн.
- Кубат өчүргүч (КҮЙГҮЗҮҮ/ӨЧҮРҮҮ): Түзмөктү күйгүзүү же өчүрүү үчүн капталында жайгашкан.
5. Баштапкы орнотуу
5.1 Аппаратты заряддоо
Before first use, fully charge the voice recorder. Connect the supplied USB cable to the device's USB port and the other end to a computer's USB port or a USB wall adapter (not included). The battery indicator on the display will show charging status. A full charge typically takes a few hours.

Image: The EVISTR Digital Voice Recorder connected to a laptop via its USB cable, illustrating the process for charging the device and transferring files.
5.2 Күйгүзүү/өчүрүү
- Күйгүзүү үчүн: Slide the Power switch to the "ON" position. The display will light up.
- Өчүрүү үчүн: Slide the Power switch to the "OFF" position. The device will shut down.
5.3 Дата менен убакытты орнотуу
Accurate date and time stamps are crucial for file management. Refer to the on-screen menu options to set the current date and time. Typically, this is found under the 'Settings' or 'System' menu.
6. Иштөө нускамалары
6.1 Негизги жаздыруу
- Түзмөк күйгүзүлгөнүн текшериңиз.
- басыңыз REC button (red circle) to start recording. The recording indicator will appear on the screen.
- Жаздырууну токтотуу жана сактоо үчүн file, басыңыз ТОКТОТ button (square). The file will be saved automatically with a time stamp.

Image: A hand demonstrating the simple operation of the EVISTR Digital Voice Recorder, showing a finger pressing the 'REC' button to initiate recording and the 'STOP' button to save.
6.2 Ойнотуу
- From the main screen, navigate to the desired recording using the navigation buttons.
- басыңыз ОЙНОО ойнотууну баштоо үчүн баскычты (үч бурчтук) басыңыз.
- Үн деңгээлин тууралоо үчүн Үн баскычтарын (+/-) колдонуңуз.
- During playback, you can use the fast forward/rewind functions (often by holding volume buttons or dedicated navigation buttons).
- басыңыз ТОКТОТ button to pause or stop playback.
6.3 Үн менен активдештирилген жаздыруу (AVR)
The AVR function allows the recorder to start recording automatically when sound is detected and pause when silence occurs, saving memory space.
- Access the device's MENU.
- Navigate to 'Recording Settings' or 'AVR Mode'.
- Enable the AVR function and set the sensitivity level if available.
- Once enabled, press REC to start recording in AVR mode. The device will only record when sound is present.

Image: The EVISTR Digital Voice Recorder illustrating its Voice Activated Recording feature, showing how it captures only talking and reduces silence, with a visual representation of sound waves and recording time.
6.4 Авто жаздыруу
This feature allows you to schedule recordings to start and stop automatically at predefined times.
- Go to the MENU and find 'Auto Record' or 'Timer Record' settings.
- Set the desired start time, end time, and frequency (e.g., once, daily, weekdays).
- Ensure the device has sufficient battery life or is connected to power if scheduling long recordings.
6.5 MP3 ойноткучтун иштеши
The device can also function as an MP3 player. Transfer music files (MP3/WAV/FLAC/APE/OGG/WMA) to the device's non-recording folders via USB connection.
- Аппаратты компьютериңизге туташтырыңыз.
- Музыканы сүйрөп барып таштаңыз files into a folder other than the 'RECORD' folder (e.g., 'MUSIC' folder if present, or create one).
- Disconnect safely.
- On the device, navigate to the music folder and select a track to play using the ОЙНОО баскычы.

Image: A person wearing headphones and smiling, holding the EVISTR Digital Voice Recorder, demonstrating its capability to play music.
7. Компьютерге туташуу
To transfer recordings or music files, connect the recorder to your computer using the provided USB cable.
- Connect the small end of the USB cable to the recorder's USB port.
- Стандарттык USB учун компьютериңиздеги жеткиликтүү USB портуна туташтырыңыз.
- The recorder will appear as a removable disk drive (e.g., "EVISTR" or "Removable Disk") on your computer.
- Open the drive to access your recorded files (typically in a folder named 'RECORD' or similar).
- You can copy, paste, delete, or move fileкерек болсо.
- Always safely eject the device from your computer before disconnecting the USB cable to prevent data corruption.

Image: The EVISTR Digital Voice Recorder connected to a laptop via its USB cable, illustrating the process for charging the device and transferring files.
8. Техникалык шарттар
| Өзгөчөлүк | Деталь |
|---|---|
| Бренд | EVISTR |
| Модел | L157 |
| Эстутум сактоо сыйымдуулугу | 32 ГБ |
| Жазуунун сапаты | 1536kpbs (WAV), 128kpbs/64kpbs (MP3) |
| Санарип жазуу убактысы | 28 саат |
| Микрофон форма фактору | Камтылган |
| Микрофондун иштөө режими | Noise Cancellation |
| Наушник уясы | 3.5 миллиметр |
| Аппараттык интерфейс | USB |
| Батареялар | 1 Литий Полимердик батарейка (кошулган) |
| Элемент Салмагы | 5.9 унция (0.17 килограмм) |
| Пакеттин өлчөмдөрү | 5.08 x 4.09 x 1.02 дюйм |
9. Кыйынчылыктарды
| Көйгөй | Мүмкүн болгон себеп / Чечим |
|---|---|
| Түзмөк күйбөйт. | Battery is depleted. Charge the device fully. Ensure the power switch is in the "ON" position. |
| Жаздыруу мүмкүн эмес. | Memory is full. Delete old files to free up space. Battery is low. Charge the device. Device might be in playback mode; ensure it's ready for recording. |
| Poor recording quality / Static noise. | Microphone is obstructed. Ensure no objects are covering the microphone. Recording distance is too far or too close. Adjust distance. High background noise. Try recording in a quieter environment. Check recording settings (e.g., bit rate). |
| Компьютерге туташуу мүмкүн эмес. | USB cable is faulty. Try a different USB cable. USB port on computer is faulty. Try a different USB port. Device is not powered on. Ensure the device is on when connecting. Drivers might be needed (usually plug-and-play, but check manufacturer webкөйгөйлөр чечилбесе, сайт). |
| Playback has no sound. | Volume is too low. Increase volume using the +/- buttons. Headphones are not properly connected or faulty. Try re-inserting headphones or using a different pair. Built-in speaker might be disabled in settings. |
| Түзмөк катып калат же жооп бербей калат. | Perform a soft reset by sliding the power switch to OFF, waiting a few seconds, then sliding it back to ON. If issues persist, contact customer support. |
10. Кепилдик жана колдоо
EVISTR products are designed for reliability and performance. This product comes with an 18 айлык кепилдик сатып алынган күндөн тартып өндүрүш кемчиликтерин жабуу.

Image: A golden shield emblem with a red ribbon stating "18 MONTHS WARRANTY", symbolizing the product's warranty period.
Кардарларды колдоо:
For technical assistance, warranty claims, or any questions regarding your EVISTR Digital Voice Recorder, please contact our customer support team. Refer to the contact information provided on the product packaging or the official EVISTR webсайт.
Note: Please retain your proof of purchase for warranty service.