1. Introducció
This manual provides comprehensive instructions for the safe and efficient operation of your Voltcraft VC 630-2 Analog Oscilloscope. Designed for professional use in fields such as assistance, laboratory work, education, and hobby electronics, this 2-channel oscilloscope offers a bandwidth of 0 (DC) to 30 MHz. Please read this manual thoroughly before using the device to ensure proper functionality and to prevent damage or injury.

Figure 1: Voltcraft Brand Logo
2. Instruccions de seguretat
Always adhere to the following safety guidelines to prevent electric shock, fire, or damage to the device.
- Font d'alimentació: Ensure the oscilloscope is connected to a power source matching the specified voltage (115 V/AC or 230 V/AC). Use only the provided power cord.
- Medi ambient: Operate the device in a dry, well-ventilated area. Avoid exposure to moisture, extreme temperatures, or direct sunlight.
- Ventilació: No bloquegeu les obertures de ventilació. Un flux d'aire adequat és essencial per evitar el sobreescalfament.
- Posada a terra: The oscilloscope must be properly grounded. Do not defeat the grounding plug.
- Entrada Voltage: The device is rated for CAT II 300 V. Do not apply voltages exceeding this rating to any input terminal.
- Manteniment: Refer all servicing to qualified service personnel. Do not attempt to open or repair the device yourself.
- Neteja: Desconnecteu l'alimentació abans de netejar. Feu servir un drap suau i sec. No utilitzeu netejadors líquids ni aerosols.
3. Producte acabatview
The Voltcraft VC 630-2 is a robust analog oscilloscope featuring two input channels and a clear display for waveform analysis. Below is an image illustrating the main components of the device.

Figure 2: Front Panel of the Voltcraft VC 630-2 Oscilloscope. This image shows the display screen, various control knobs for vertical and horizontal adjustments, trigger settings, and input connectors for Channel 1 and Channel 2.
Característiques principals:
- Entrada de 2 canals
- Ample de banda de 30 MHz
- High-Sensitivity Triggering
- Entrada externa
- X-Y Operation Mode
- Z-Input
- Phase Meter Functionality
- 50 Ω Output for Frequency Counters
4. Configuració
4.1 Desembalatge i inspecció
- Carefully remove the oscilloscope from its packaging.
- Inspect the device for any signs of physical damage that may have occurred during transit.
- Verify that all included accessories, such as the power cord and user manual, are present.
4.2 Connexió d'alimentació
- Ensure the power switch on the oscilloscope is in the OFF position.
- Connect the provided power cord to the power input on the rear panel of the oscilloscope.
- Plug the other end of the power cord into a grounded electrical outlet that supplies either 115 V/AC or 230 V/AC, as appropriate for your region.
4.3 Engegada inicial
- After connecting the power, switch the oscilloscope ON.
- Observe the display for initial power-up sequence and self-test indicators.
- Allow a few moments for the device to stabilize before proceeding with measurements.
5. Instruccions de funcionament
5.1 Controls bàsics
- Interruptor d'alimentació: Located on the front panel, used to turn the device ON/OFF.
- Intensity/Focus: Adjusts the brightness and sharpness of the trace on the screen.
- Position (Vertical/Horizontal): Moves the waveform vertically or horizontally on the display.
5.2 Vertical Deflection (VOLTS/DIV)
The VOLTS/DIV knob controls the vertical sensitivity of the input signal. It ranges from 5 mV/Div to 5 V/Div. Select the appropriate setting based on the amplitude of the signal you are measuring.
- Input Coupling (AC/DC/GND):
- AC: Blocks the DC component of the signal, allowing only the AC component to be displayed.
- DC: Displays both AC and DC components of the signal.
- GND: Disconnects the input signal and grounds the input, useful for setting the zero reference level.
- CH1/CH2 Inputs: Connect your probes to the BNC connectors for Channel 1 and Channel 2.
5.3 Horizontal Sweep (TIME/DIV)
The TIME/DIV knob controls the horizontal sweep speed, determining how much time each horizontal division represents. Adjust this to view the desired number of cycles of your waveform.
5.4 Activació
Triggering stabilizes the waveform on the display. The VC 630-2 features high-sensitivity triggering.
- Nivell: Ajusta el voltage level at which the trigger occurs.
- Pendent: Selects whether the trigger occurs on the rising or falling edge of the signal.
- Font: Selects the trigger source (e.g., CH1, CH2, External).
5.5 Funcions avançades
- X-Y Operation: Allows the oscilloscope to display one input signal against another, useful for Lissajous figures and phase measurements.
- Z-Input: Modulates the intensity of the trace, often used for blanking or brightening specific parts of the waveform.
- Phase Meter: Utilize this function for precise phase difference measurements between two signals.
- 50 Ω Output: An additional 50 Ω output is provided for connecting external frequency counters, enhancing the versatility of the oscilloscope.
6. Manteniment
6.1 Neteja
To maintain the performance and appearance of your oscilloscope:
- Desconnecteu sempre el cable d'alimentació abans de netejar.
- Feu servir un drap suau, sec i sense borrissol per netejar les superfícies exteriors.
- Per a la brutícia persistent, lleugerament dampen the cloth with water or a mild, non-abrasive cleaner. Do not allow any liquids to enter the device.
- Avoid using harsh chemicals, solvents, or abrasive cleaning agents.
6.2 Emmagatzematge
When not in use, store the oscilloscope in a cool, dry place, away from direct sunlight, dust, and extreme temperatures. Protect it from physical shocks.
6.3 Calibració
The Voltcraft VC 630-2 is factory calibrated. For continued accuracy, periodic professional calibration may be required depending on usage and application. Please note that the product description indicates "factory (without certificate)".
7. Solució De Problemes
Aquesta secció ofereix solucions a problemes comuns que podeu trobar.
| Problema | Causa possible | Solució |
|---|---|---|
| Sense pantalla/Apagat | Cable d'alimentació no connectat; Presa de corrent defectuosa; Interruptor apagat. | Check power cord connection; Test power outlet; Ensure power switch is ON. |
| No trace on screen | Intensity too low; Focus out of adjustment; Vertical/Horizontal position off-screen; Input coupling set to GND. | Adjust Intensity and Focus knobs; Center Position controls; Change Input Coupling from GND to AC or DC. |
| Unstable waveform | Trigger level incorrect; Trigger source incorrect; Signal too noisy. | Adjust Trigger Level; Select correct Trigger Source (CH1, CH2, EXT); Check signal integrity. |
| Forma d'ona distorsionada | Input signal too high (clipping); Probe compensation incorrect; Bandwidth exceeded. | Adjust VOLTS/DIV to a higher setting; Compensate probe; Ensure signal frequency is within 30 MHz bandwidth. |
8. Especificacions
Technical specifications for the Voltcraft VC 630-2 Analog Oscilloscope (Model: GOS-630).
| Paràmetre | Valor |
|---|---|
| Número de model | GOS-630 |
| Ample de banda | 0 (DC) to 30 MHz |
| Canals | 2 |
| Acoblament d'entrada | CA, CC, GND |
| Vertical Deflection | 5 mV - 5 V / Div |
| Dimensions del monitor | 10 x 8 cm |
| Font d'alimentació | 115 V/AC, 230 V/AC |
| Pes | 7.8 kg |
| Overvoltage Categoria | CAT II 300V |
| Fabricant | VOLTCRAFT |
9. Garantia i assistència
Voltcraft products are manufactured to high quality standards and come with a standard warranty. For specific warranty terms and conditions, please refer to the documentation provided with your purchase or visit the official Voltcraft weblloc.
For technical support, troubleshooting assistance beyond this manual, or service inquiries, please contact Voltcraft customer service. Contact details can typically be found on the manufacturer’s weblloc web o a l'embalatge del producte.