1. تعارف
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. حفاظتي هدايتون
Observe the following safety precautions to prevent injury and avoid damage to the instrument or any connected devices:
- طاقت جو ذريعو: Ensure the oscilloscope is connected to a power source with the correct voltage and frequency as specified in the technical specifications.
- گرائونڊنگ: The instrument must be properly grounded to prevent electric shock. Do not defeat the grounding conductor.
- جاچ: Use only probes supplied or recommended by VOLTCRAFT. Ensure probes are correctly rated for the voltage and current being measured.
- ماحول: Operate the oscilloscope in a dry, well-ventilated area, away from direct sunlight, extreme temperatures, and excessive dust or moisture.
- سار سنڀال: Refer all servicing to qualified service personnel. Do not attempt to open or repair the instrument yourself.
- صفائي: صفائي کان اڳ بجلي بند ڪريو. نرم، ڊي استعمال ڪريوamp ڪپڙو. استعمال نه ڪريو abrasive cleaners يا solvents.
3. پيڪيج مواد
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
- پاور ڪنڊ
- Passive Probes (Quantity: 4, typically)
- USB ڪيبل
- تڪڙو شروع ھدايت
- Calibration Certificate (if applicable)
جيڪڏهن ڪا به شيءِ غائب يا خراب آهي، ته فوري طور تي پنهنجي سپلائر سان رابطو ڪريو.
4. پراڊڪٽ ختمview
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 فرنٽ پينل

شڪل 1: سامهون 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

شڪل 2: ڪنڊ وارو اڳيون view of the oscilloscope, providing a better perspective of the side ventilation and overall form factor.
هي 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 طرف View

شڪل 3: پاسي view of the oscilloscope, showing the depth and additional ventilation details.
پاسي پروfile 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. سيٽ اپ
Follow these steps to set up your VOLTCRAFT DOV1254 LA Digital Oscilloscope for initial use:
- لڳائڻ: Place the oscilloscope on a stable, level surface with adequate ventilation around the unit.
- پاور ڪنيڪشن: 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.
- تحقيق ڪنيڪشن: 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.
- جاچ معاوضو: 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.
- پاور آن: Press the power button located on the front panel to turn on the oscilloscope.
6. آسيلو اسڪوپ هلائڻ
This section covers basic operational procedures for the VOLTCRAFT DOV1254 LA.
6.1 پاور آن/آف
کي دٻايو طاقت 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
- استعمال ڪريو CH1, CH2, CH3, CH4 buttons to enable or disable specific input channels.
- گھمايو عمودي اسڪيل knob (V/div) to adjust the vertical sensitivity of the selected channel.
- گھمايو عمودي پوزيشن knob to move the waveform vertically on the screen.
6.3 افقي ڪنٽرول
- گھمايو افقي اسڪيل knob (s/div) to adjust the time base, controlling the horizontal display of the waveform.
- گھمايو افقي پوزيشن knob to move the waveform horizontally on the screen.
6.4 Trigger System
The trigger system stabilizes repetitive waveforms and captures single-shot events.
- کي دٻايو ٽاريندڙ button to access trigger settings.
- ترتيب ڏيو ٽرگر جي سطح knob to set the voltage 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).
- جي خودڪار سيٽ button automatically adjusts vertical, horizontal, and trigger settings to display a stable waveform.
6.5 ماپون
The oscilloscope offers various automatic measurement functions.
- کي دٻايو ماپ 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. سار سنڀال
Proper maintenance ensures the longevity and accuracy of your oscilloscope.
- صفائي: Regularly clean the exterior of the instrument with a soft, dry cloth. For stubborn dirt, use a cloth lightly dampپاڻي سان ڀريل. سخت ڪيميائي يا ٻرندڙ مواد استعمال ڪرڻ کان پاسو ڪريو.
- اسٽوريج: When not in use, store the oscilloscope in a clean, dry environment, protected from dust and extreme temperatures.
- تحقيق جي سنڀال: Handle probes carefully. Avoid bending or stressing the cables. Store them properly to prevent damage to the tips and connectors.
- حساب ڪتاب: 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. مسئلا حل ڪرڻ
This section addresses common issues you might encounter with your VOLTCRAFT DOV1254 LA Digital Oscilloscope.
| مسئلو | ممڪن سبب | حل |
|---|---|---|
| طاقت نه آهي | Power cord not connected; Power outlet faulty; Internal fuse blown. | Check power cord connection; Test power outlet; Contact service for fuse replacement. |
| No waveform displayed | 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. |
| Unstable waveform | Incorrect trigger settings; Signal noise. | Adjust trigger level, source, or type; Ensure proper grounding; Use averaging function if available. |
| بگڙيل موج | Probe compensation incorrect; Probe bandwidth insufficient; Input signal exceeding limits. | Perform probe compensation; Use appropriate probes; Ensure input signal is within oscilloscope's voltage حد. |
If the problem persists after attempting these solutions, please contact VOLTCRAFT customer support.
9. وضاحتون
Key technical specifications for the VOLTCRAFT DOV1254 LA Digital Oscilloscope:
- ماڊل نمبر: VC-16753925
- برانڊ: ووڪٽرٽ
- بينڊوڊٿ: 125 MHz
- چينل: 4
- Sampشرح: 1.25 GSA/s
- ياداشت جي کوٽائي: 100 ايم پي ٽي
- قرارداد: 12 بٽ
- طول و عرض: 16 x 26 x 7.8 cm (Product dimensions)
- ٺاهيندڙ: ووڪٽرٽ
- پهرين دستياب تاريخ: اپريل 16، 2025
نوٽ: وضاحتون بغير ڪنهن اڳواٽ اطلاع جي تبديلي جي تابع آهن.
10. وارنٽي ۽ سپورٽ
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 webسائيٽ.
For technical support, troubleshooting assistance, or service inquiries, please contact VOLTCRAFT customer service. Contact information can typically be found on the VOLTCRAFT webسائيٽ يا پيداوار جي پيڪنگنگ ۾.
آن لائين وسيلا: For the latest drivers, software, and additional documentation, please visit the official VOLTCRAFT support portal.





