1. Nhanganyaya
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. Mirayiridzo Yekuchengetedza
Observe the following safety precautions to prevent injury and avoid damage to the instrument or any connected devices:
- Kunobva Simba: Ensure the oscilloscope is connected to a power source with the correct voltage and frequency as specified in the technical specifications.
- Grounding: The instrument must be properly grounded to prevent electric shock. Do not defeat the grounding conductor.
- Probes: Use only probes supplied or recommended by VOLTCRAFT. Ensure probes are correctly rated for the voltage uye magetsi ari kuyerwa.
- Environment: Operate the oscilloscope in a dry, well-ventilated area, away from direct sunlight, extreme temperatures, and excessive dust or moisture.
- Maintenance: Tumira mabasa ese ekugadzirisa kune vashandi vane hunyanzvi. Usaedze kuvhura kana kugadzirisa mudziyo wega.
- Kuchenesa: Bvisa magetsi usati wachenesa. Shandisa nyoro, damp jira. Usashandise abrasive cleaners kana solvents.
3. Package Zviri mukati
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
- Power Cord
- Passive Probes (Quantity: 4, typically)
- USB Cable
- Quick Start Guide
- Chitupa Chekugadzirisa (kana zvichibvira)
Kana paine zvinhu zvisipo kana kuti zvakakuvara, taura nemutengesi wako nekukasika.
4. Chigadzirwa Pamusoroview
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 Pamberi Panel

Mufananidzo 1: Mberi 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

Mufananidzo 2: Angled kumberi view of the oscilloscope, providing a better perspective of the side ventilation and overall form factor.
Izvi 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 Side View

Mufananidzo 3: Rutivi view of the oscilloscope, showing the depth and additional ventilation details.
The side profile 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. Setup
Follow these steps to set up your VOLTCRAFT DOV1254 LA Digital Oscilloscope for initial use:
- Kuiswa: Place the oscilloscope on a stable, level surface with adequate ventilation around the unit.
- Power Connection: 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.
- Probe Connection: 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.
- Muripo wekuongorora: 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.
- Power On: Dzvanya bhatani remagetsi riri pane yekumberi kuti ubatidze oscilloscope.
6. Kushanda kweOscilloscope
This section covers basic operational procedures for the VOLTCRAFT DOV1254 LA.
6.1 Simba On/Kudzima
Press the Simba 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
- Shandisa iyo CH1, CH2, CH3, CH4 buttons to enable or disable specific input channels.
- Rotate the Vertical Scale knob (V/div) to adjust the vertical sensitivity of the selected channel.
- Rotate the Vertical Chinzvimbo knob to move the waveform vertically on the screen.
6.3 Horizontal Controls
- Rotate the Horizontal Scale knob (s/div) to adjust the time base, controlling the horizontal display of the waveform.
- Rotate the Chinzvimbo chakatwasuka knob to move the waveform horizontally on the screen.
6.4 Trigger System
Sisitimu yetrigger inosimbisa mafungu anodzokororwa uye inotora zviitiko zvinongoerekana zvabuda.
- Press the Trigger button to access trigger settings.
- Gadzirisa iyo Trigger Chikamu bhatani rekuisa vhoriyamutage 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 Zviyero
The oscilloscope offers various automatic measurement functions.
- Press the Kuyera 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. Kuchengeta
Kuchengetedza kwakakodzera kunovimbisa kugara kwenguva refu uye kururama kwe oscilloscope yako.
- Kuchenesa: Regularly clean the exterior of the instrument with a soft, dry cloth. For stubborn dirt, use a cloth lightly dampkusvirwa nemvura. Dzivisa kushandisa makemikari ane hasha kana abrasive zvinhu.
- Kuchengeta: Kana usingashandiswe, chengeta oscilloscope munzvimbo yakachena, yakaoma, yakadzivirirwa kubva kuguruva uye tembiricha dzakanyanya.
- Probe Care: Handle probes carefully. Avoid bending or stressing the cables. Store them properly to prevent damage to the tips and connectors.
- Calibration: 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. Kugadzirisa matambudziko
This section addresses common issues you might encounter with your VOLTCRAFT DOV1254 LA Digital Oscilloscope.
| Dambudziko | Zvinogona Kukonzera | Solution |
|---|---|---|
| Hapana simba | Power cord not connected; Power outlet faulty; Internal fuse blown. | Tarisa kubatana kwetambo yemagetsi; Edza nzira yekubuditsa magetsi; Bata sevhisi yekutsiva fuse. |
| Hapana waveform inoratidzwa | 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. |
| Kusagadzikana waveform | Incorrect trigger settings; Signal noise. | Adjust trigger level, source, or type; Ensure proper grounding; Use averaging function if available. |
| Yakakanganiswa waveform | Probe compensation incorrect; Probe bandwidth insufficient; Input signal exceeding limits. | Perform probe compensation; Use appropriate probes; Ensure input signal is within oscilloscope's voltage range. |
If the problem persists after attempting these solutions, please contact VOLTCRAFT customer support.
9. Zvinotsanangurwa
Key technical specifications for the VOLTCRAFT DOV1254 LA Digital Oscilloscope:
- Model Number: VC-16753925
- Brand: VOLTCRAFT
- Bandwidth: 125 MHz
- Zviteshi: 4
- SampMutengo: 1.25 GSa/s
- Kudzika Kwendangariro: 100 Mpts
- Resolution: 12 Bit
- Dimensions: 16 x 26 x 7.8 cm (Product dimensions)
- Mugadziri: VOLTCRAFT
- Zuva Rokutanga Kuwanikwa: Kubvumbi 16, 2025
Ongorora: Zvinotsanangurwa zvinogona kuchinja pasina chiziviso chekutanga.
10. Warranty uye Tsigiro
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 website.
For technical support, troubleshooting assistance, or service inquiries, please contact VOLTCRAFT customer service. Contact information can typically be found on the VOLTCRAFT websaiti kana mune chigadzirwa kurongedza.
Zvekushandisa Pamhepo: For the latest drivers, software, and additional documentation, please visit the official VOLTCRAFT support portal.





