1. Киришүү
This manual provides essential information for the safe and efficient operation of your VOLTCRAFT DOV1254 LA Digital Oscilloscope. Please read this manual thoroughly before using the device and keep it for future reference. The DOV1254 LA is a 12-bit high-resolution digital oscilloscope featuring 4 channels, a 125 MHz bandwidth, and a 1.25 GSa/s sample rate, designed for precise signal analysis.
2. Коопсуздук нускамалары
Observe the following safety precautions to prevent injury and avoid damage to the instrument or any connected devices:
- Кубат булагы: Ensure the oscilloscope is connected to a power source with the correct voltage and frequency as specified in the technical specifications.
- Негиздөө: The instrument must be properly grounded to prevent electric shock. Do not defeat the grounding conductor.
- Зонддор: Use only probes supplied or recommended by VOLTCRAFT. Ensure probes are correctly rated for the voltage жана өлчөнүп жаткан ток.
- Курчап турган чөйрө: Operate the oscilloscope in a dry, well-ventilated area, away from direct sunlight, extreme temperatures, and excessive dust or moisture.
- Тейлөө: Бардык тейлөө иштерин квалификациялуу тейлөө кызматкерлерине тапшырыңыз. Аспапты өз алдынча ачууга же оңдоого аракет кылбаңыз.
- Тазалоо: Тазалоодон мурун электрди өчүрүңүз. жумшак колдонуу, damp кездеме. Абразивдүү тазалагычтарды же эриткичтерди колдонбоңуз.
3. Пакеттин мазмуну
Carefully unpack the VOLTCRAFT DOV1254 LA Digital Oscilloscope and check for any damage. Verify that all items listed below are present:
- VOLTCRAFT DOV1254 LA Digital Oscilloscope Unit
- Электр кабели
- Passive Probes (Quantity: 4, typically)
- USB кабели
- Quick Start Guide
- Калибрлөө сертификаты (эгер бар болсо)
Эгерде кандайдыр бир буюмдар жок болсо же бузулуп калса, дароо жеткирүүчүңүзгө кайрылыңыз.
4. Продукт бүтүп калдыview
The VOLTCRAFT DOV1254 LA is a sophisticated instrument designed for accurate waveform visualization and analysis. Below are key views of the device highlighting its main components.
4.1 алдыңкы панели

Сүрөт 1: Алдыңкы view of the VOLTCRAFT DOV1254 LA Digital Oscilloscope, showing the large display, control knobs, function buttons, and input channels.
The front panel features a high-resolution display for waveform visualization, along with various control knobs and buttons for adjusting settings such as vertical scale, horizontal time base, trigger level, and menu navigation. The four BNC input connectors for channels CH1, CH2, CH3, and CH4 are clearly labeled, along with the Logic Analyzer input port.
4.2 Angled Front View

2-сүрөт: бурчтуу фронт view of the oscilloscope, providing a better perspective of the side ventilation and overall form factor.
Бул view highlights the compact design and the ventilation grilles on the side, essential for maintaining optimal operating temperature. The robust construction ensures durability in various working environments.
4.3 тарап View

3-сүрөт: Каптал view of the oscilloscope, showing the depth and additional ventilation details.
жагы проfile illustrates the instrument's depth and the design of its cooling system, which is crucial for stable performance during extended use. No additional ports are visible on this side.
5. Орнотуу
Follow these steps to set up your VOLTCRAFT DOV1254 LA Digital Oscilloscope for initial use:
- Жайгашкан жери: Place the oscilloscope on a stable, level surface with adequate ventilation around the unit.
- Кубат туташуу: Connect the supplied power cord to the power input on the rear panel of the oscilloscope, then plug the other end into a grounded AC power outlet.
- Зонд туташуу: Connect the passive probes to the desired BNC input channels (CH1-CH4) on the front panel. Ensure a secure connection by twisting the BNC connector until it locks.
- Зонддун компенсациясы: Before taking measurements, it is recommended to compensate the probes. Connect the probe tip to the probe compensation output (usually a square wave signal) and adjust the probe's compensation trimmer until a flat-top square wave is displayed on the screen.
- Күйгүзүү: Осциллографты күйгүзүү үчүн алдыңкы панелде жайгашкан кубат баскычын басыңыз.
6. Operating the Oscilloscope
This section covers basic operational procedures for the VOLTCRAFT DOV1254 LA.
6.1 Күйгүзүү/өчүрүү
басыңыз Күч button on the front panel to turn the device on or off. A startup sequence will be displayed upon powering on.
6.2 Channel Selection and Vertical Controls
- колдонуу CH1, CH2, CH3, CH4 buttons to enable or disable specific input channels.
- айлантыңыз Vertical Scale knob (V/div) to adjust the vertical sensitivity of the selected channel.
- айлантыңыз Vertical Position knob to move the waveform vertically on the screen.
6.3 Horizontal Controls
- айлантыңыз Horizontal Scale knob (s/div) to adjust the time base, controlling the horizontal display of the waveform.
- айлантыңыз Horizontal Position knob to move the waveform horizontally on the screen.
6.4 Trigger System
The trigger system stabilizes repetitive waveforms and captures single-shot events.
- басыңыз Trigger button to access trigger settings.
- тууралаңыз Триггер деңгээли үндү жөндөө үчүн баскычtage level at which the oscilloscope triggers.
- Use the menu options to select trigger type (Edge, Pulse, Video, etc.), source channel, and slope (rising/falling edge).
- The Autoset button automatically adjusts vertical, horizontal, and trigger settings to display a stable waveform.
6.5 Өлчөөлөр
The oscilloscope offers various automatic measurement functions.
- басыңыз өлчөө button to display a menu of available measurements (e.g., Vpp, Vmax, Vmin, Frequency, Period, Rise Time).
- Select the desired measurement and the source channel.
7. Техникалык тейлөө
Proper maintenance ensures the longevity and accuracy of your oscilloscope.
- Тазалоо: Regularly clean the exterior of the instrument with a soft, dry cloth. For stubborn dirt, use a cloth lightly dampсуу менен бүттү. Катуу химиялык заттарды же абразивдик материалдарды колдонуудан алыс болуңуз.
- Сактагыч: When not in use, store the oscilloscope in a clean, dry environment, protected from dust and extreme temperatures.
- Пробка кам көрүү: Handle probes carefully. Avoid bending or stressing the cables. Store them properly to prevent damage to the tips and connectors.
- Калибрлөө: For optimal performance, periodic calibration by qualified service personnel is recommended. Refer to the full service manual or contact VOLTCRAFT support for calibration intervals.
8. Кыйынчылыктарды
This section addresses common issues you might encounter with your VOLTCRAFT DOV1254 LA Digital Oscilloscope.
| Көйгөй | Мүмкүн себеп | Чечим |
|---|---|---|
| Күч жок | Power cord not connected; Power outlet faulty; Internal fuse blown. | Check power cord connection; Test power outlet; Contact service for fuse replacement. |
| Толкун формасы көрсөтүлгөн жок | Channel disabled; Vertical scale too high/low; Trigger not set correctly; Probe not connected. | Enable channel; Adjust vertical scale; Adjust trigger level/type or use Autoset; Connect probe to signal source. |
| Туруксуз толкун формасы | Incorrect trigger settings; Signal noise. | Adjust trigger level, source, or type; Ensure proper grounding; Use averaging function if available. |
| Бурмаланган толкун формасы | Probe compensation incorrect; Probe bandwidth insufficient; Input signal exceeding limits. | Perform probe compensation; Use appropriate probes; Ensure input signal is within oscilloscope's voltage диапазону. |
If the problem persists after attempting these solutions, please contact VOLTCRAFT customer support.
9. Техникалык шарттар
Key technical specifications for the VOLTCRAFT DOV1254 LA Digital Oscilloscope:
- Модель номери: VC-16753925
- Бренд: VOLTCRAFT
- өткөрүү жөндөмдүүлүгү: 125 МГц
- Каналдар: 4
- Sample Rate: 1.25 GSa/s
- Эстутум тереңдиги: 100 Mpts
- Чечим: 12 бит
- Өлчөмдөрү: 16 x 26 x 7.8 cm (Product dimensions)
- Өндүрүүчү: VOLTCRAFT
- Биринчи жеткиликтүү датасы: 16-апрель, 2025-жыл
Эскертүү: Техникалык мүнөздөмөлөр алдын ала эскертүүсүз өзгөртүлүшү мүмкүн.
10. Кепилдик жана колдоо
VOLTCRAFT products are designed for quality and reliability. This product is covered by a manufacturer's warranty. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official VOLTCRAFT webсайт.
For technical support, troubleshooting assistance, or service inquiries, please contact VOLTCRAFT customer service. Contact information can typically be found on the VOLTCRAFT webсайтында же продуктунун таңгагында.
Онлайн ресурстар: For the latest drivers, software, and additional documentation, please visit the official VOLTCRAFT support portal.





