1. Introduktion
The TOOLTOP ET120MPro is a versatile 2-in-1 handheld device combining a digital oscilloscope and a signal generator. It is designed for a wide range of applications including home appliance testing, automotive diagnostics, scientific research, education, product development, and equipment debugging. This manual provides detailed instructions for the safe and effective use of your ET120MPro.

Figure 1: TOOLTOP ET120MPro device showcasing its oscilloscope and signal generator capabilities.
2. Nøglefunktioner
- High-Performance Oscilloscope: Offers a wide 120MHz analog bandwidth and a rapid 500MS/s samplang hastighed.
- Integrated Signal Generator: Features 3 types of signal source outputs:
- Sine/Triangle wave output: 10Hz ~ 100KHz
- Square wave output: 10Hz ~ 3MHz with adjustable duty cycle (10% ~ 90%)
- Justerbar output voltage: 0-3Vpp
- Nøjagtige målinger: Measures 12 different parameters including Vpp, Vrms, Vavg, Vp, Vmax, Vmin, F, T, T+, T-, Du+, Du-.
- Adjustable Waveform Parameters: Time base, amplitude, trigger slope, and vertical sensitivity can be set.
- Multiple Scan Modes: Supports Auto, Normal, and Single scan modes.
- Bølgeformlagring: Can store up to 2500 DSO waveforms with thumbnail browsing support.
- Kompakt og bærbar: Features a durable silicone protective cover and a built-in rechargeable lithium battery for up to 6 hours of continuous use, ideal for outdoor work.
- Dataoverførsel: Supports data transmission to Windows 10 and above systems via dedicated software.

Figure 2: Comparison highlighting the advanced features of the ET120MPro over the ET120M model.
3. Tekniske specifikationer
| Parameter | Specifikation |
|---|---|
| Waveform Bandwidth | 120 MHz |
| Max Test Voltage | 1X: 80Vpp, 10X: 800Vpp |
| Maksimum Sampling Rate | 500MSa/S (Software equivalent) |
| Kanalmængde | 1 |
| Koblingsmetode | DC/AC |
| Opbevaringsdybde | 12.8div |
| Vertikal følsomhed | 50mV ~ 100V |
| Voltage Nøjagtighed | 10 % |
| Trigger-tilstand | Auto/Normal/Enkelt |
| Trigger Slope | Stigende / Faldende |
| Rising Time | <3nS |
| Tidsbaseområde | 6ns ~ 50S |
| Frekvens Nøjagtighed | 1% |
| Indgangsimpedans | 1MΩ |
| Skærmopløsning | 320*240 pixel |
| Vise | 320x240 LCD SCREEN (TFT) |
| Visningsområde | 50 mm x 40 mm |
| Baggrundsbelysning | White, 8 levels of brightness |
| Batteri | Lithium battery (Rechargeable) |
| Standby tid | Cirka 5 timer |
| Opladning | DC5V/1A/2A (Type-C fast charging) |
| Automatisk nedlukning | Ingen operation i 15 min |
| Dimensioner (L x B x H) | 124 x 80 x 35 (mm) |
| Vægt | Omkring 187 g |
| Driftsbetingelser | 0°C ~ +40°C; <75%RH |
| Opbevaringsbetingelser | -10°C ~ +60°C; <90%RH |

Figure 3: Detailed technical specifications for the ET120MPro.

Figure 4: Product dimensions of the ET120MPro.
4. Pakkens indhold
Sørg for, at alle varer er til stede ved udpakning:
- 1 x TOOLTOP ET120MPro Oscilloscope
- 1 x 100MHz sonde
- 1 x engelsk brugervejledning
- 1 x USB-kabel (Type-C)
- 1 x Stofpose

Figure 5: Contents included in the ET120MPro package.
5. Opsætning
5.1. Opladning af enheden
Before first use, fully charge the ET120MPro using the provided USB Type-C cable and a DC5V/1A or 2A power adapter. The device features fast charging capabilities.

Figure 6: The ET120MPro supports Type-C fast charging.
5.2. Tilslutning af sonden
Connect the 100MHz probe to the input BNC connector on the top of the oscilloscope. Ensure a secure connection. For optimal measurement, calibrate the probe as needed.
5.3. Tænd/sluk
Press and hold the power button (usually located on the side or front panel) to turn the device on or off. The device has an auto-shutdown feature after 15 minutes of no operation to conserve battery.
6. Betjeningsvejledning
6.1. Oscilloskopdrift
The ET120MPro functions as a digital oscilloscope for waveform analysis.
- Bølgeform display: The 320x240 LCD screen displays waveforms.
- Auto-Adjustment: Tryk på AUTO button for one-key waveform adaptation, which automatically sets the time base and vertical sensitivity for a clear display.

Figure 7: One-key waveform auto-adaptation using the AUTO button.
- Parameterjustering: Use the navigation buttons (up/down/left/right arrows and MODE/OK) to adjust parameters such as time base, amplitude, trigger slope, and vertical sensitivity.

Figure 8: Controls for adjusting waveform parameters including trigger edge, vertical sensitivity, and time base.
- Målefunktioner: The device can automatically measure 12 parameters: Vpp, Vrms, Vavg, Vp, Vmax, Vmin, F, T, T+, T-, Du+, Du-.

Figure 9: The ET120MPro offers 12 automatic measurement functions.
- Scanningstilstande: Select from Auto, Normal, or Single scan modes using the TRIG knap.
- BIL: Continuously collects signals regardless of trigger conditions.
- NORMAL: Collects the last signal that meets the trigger conditions.
- ENKELT: Collects the first signal that meets the trigger conditions and then stops.

Figure 10: Illustration of the three available scan modes.
6.2. Signal Generator Operation
The ET120MPro can output various waveforms.
- Signaltyper: Generate Sine, Square, and Triangle waveforms.
- Justerbare parametre: Brug piletasterne og MODE/OK button to adjust frequency, duty cycle (for square waves), and output voltage (0-3Vpp).

Figure 11: The ET120MPro can generate Sine, Square, and Triangle waveforms.

Figure 12: Controls for adjusting signal output parameters like frequency, VPP, and duty cycle.
6.3. Waveform Storage
The device allows you to save and review bølgeformer.
- Tryk på SPARE key to save the current signal waveform.
- Til view saved waveforms, press MENU to enter the main menu, select "Waveform", then press MODE/OK to enter the waveform file leder.
- Select a waveform and press MODE/OK til view det i fuld skærm.

Figure 13: The ET120MPro can save up to 2500 DSO waveforms.
6.4. Datatransmission
The ET120MPro supports data transmission to a PC for further analysis.
- Slut enheden til en computer ved hjælp af det medfølgende USB-kabel.
- Download and install the dedicated software for Windows 10 and above from the following link: Link til download af software.
- Follow the software instructions to establish a connection and transfer data.

Figure 14: Connecting the ET120MPro to a PC for data transmission.
7. Vedligeholdelse
- Rensning: Brug en blød, tør klud til at rengøre enheden. Undgå at bruge skrappe kemikalier eller slibende materialer.
- Batteripleje: Recharge the lithium battery regularly, even if not in use, to maintain its lifespan. Avoid fully discharging the battery for extended periods.
- Opbevaring: When not in use, store the device in a cool, dry place within the specified storage conditions (-10°C ~ +60°C; <90%RH). The silicone protective cover helps protect the device from physical damage.
8. Fejlfinding
8.1. Data Transmission Issues
If you encounter problems connecting the ET120MPro to your PC for data transmission:
- Ensure the USB cable is securely connected to both the device and the computer.
- Verify that the PC software is correctly installed and compatible with your operating system (Windows 10 or above).
- Try restarting both the ET120MPro and your computer.
- Check if any other software or drivers are interfering with the connection.
- Ensure the device is in the correct mode for data transmission (refer to the on-screen menu if available).
9. Brugertips
- The ET120MPro is a digital channel oscilloscope with a 120MHz bandwidth and a 320x240 pixel display resolution, offering clear and precise readings.
- Utilize the 'AUTO' button frequently for quick and efficient waveform adaptation, especially when dealing with unknown signals.
- Explore the 12 automatic measurement functions to quickly obtain key waveform parameters without manual calculations.
- When using the signal generator, remember that the arrow keys and 'OK' button are used to adjust various parameters of the signal output.
10. Garanti og support
For garantioplysninger og teknisk support henvises til den dokumentation, der blev leveret ved køb, eller kontakt din forhandler. Gem din købsbevis i tilfælde af garantikrav.





