1. Introduction
This manual provides comprehensive instructions for the safe and efficient operation of your HANMATEK AHO814 4-Channel Touchscreen Oscilloscope. This device integrates a 100MHz bandwidth oscilloscope, a 1.25GSa/s real-time sampling rate, 50Mpts memory depth, a 7-inch 1024x600 touchscreen display, and features an Android operating system with WiFi/LAN connectivity, a built-in signal generator, and a true RMS multimeter. Please read this manual thoroughly before use to ensure optimal performance and to prevent damage.
Figure 1: HANMATEK AHO814 4-Channel Touchscreen Oscilloscope overview.
2. Setup
2.1 Unpacking and Inspection
Carefully unpack the oscilloscope and all accessories. Inspect for any signs of damage during transit. If any components are missing or damaged, contact customer support immediately.
Figure 2: Included accessories with the AHO814 Oscilloscope.
2.2 Power Connection
- Connect the provided power adapter to the Type-C power input port on the oscilloscope.
- Plug the power adapter into a suitable AC power outlet.
- Press the power button to turn on the device.
2.3 Connecting Peripherals
The AHO814 supports various peripherals to enhance productivity.
- USB Device: Connect to a computer for data transfer and remote control.
- LAN: Connect to a router for network control and firmware updates.
- HDMI: Connect to an external display for larger waveform viewing.
- USB Ports: Connect a mouse or keyboard for easier navigation and input.
Figure 3: Overview of the versatile interfaces for connectivity.
Figure 4: Connecting a mouse and keyboard to the oscilloscope.
Video 1: Demonstrating mouse control for precise adjustments on the AHO814 Oscilloscope.
3. Operating Instructions
3.1 Basic Oscilloscope Functions
The AHO814 features a 7-inch capacitive multi-touch screen for intuitive operation. Use touch gestures for zooming, panning, and menu navigation. Physical buttons and knobs are also available for quick adjustments.
Figure 5: The 7-inch multi-touch screen interface.
3.2 Waveform Capture and Analysis
The oscilloscope offers an ultra-high 7M wfms/s waveform refresh rate and a massive 50Mpts memory depth per channel, allowing for detailed signal capture and analysis.
- Auto Setup: Press the "Auto" button for automatic waveform scaling and positioning.
- Trigger Functions: Utilize rich trigger types and hardware decoding for precise signal isolation.
- Measurements: Access 31 auto measurements and advanced mathematical operations (FFT, XY mode, Lissajous figures).
Figure 6: Rapid capture and precise analysis of waveforms.
Video 2: Demonstration of Lissajous figures using the AHO814 Oscilloscope.
3.3 Signal Generator Operation
The built-in 10MHz signal generator can produce various waveforms including sine, square, triangle, ramp, and pulse. Access this function through the main menu to configure output parameters.
3.4 Multimeter Functionality
Switch to multimeter mode to measure voltage, current, resistance, capacitance, diode, and continuity with True RMS accuracy.
4. Maintenance
4.1 Cleaning
Regularly clean the device with a soft, dry cloth. For stubborn dirt, use a slightly damp cloth with mild detergent. Avoid abrasive cleaners or solvents that could damage the screen or casing.
4.2 Firmware Updates
The Android-based system supports Over-The-Air (OTA) updates. Connect the device to a network via WiFi or LAN to check for and install the latest firmware, ensuring optimal performance and access to new features.
5. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Power cable not connected or faulty. | Ensure power cable is securely connected. Test with another power outlet. |
| No waveform displayed. | Input signal absent or incorrect settings. | Verify signal source connection. Use "Auto" setup. Adjust vertical and horizontal scales. |
| Touchscreen unresponsive. | Temporary software glitch. | Restart the device. If issue persists, connect a USB mouse. |
| Incorrect trace colors for channels. | Potential firmware inconsistency. | Check for and apply the latest firmware updates. Contact customer support if the issue persists after update. |
6. Specifications
| Feature | Specification |
|---|---|
| Model Number | AHO814 |
| Bandwidth | 100MHz |
| Channels | 4 |
| Real-time Sampling Rate | 1.25GSa/s |
| Memory Depth | 50Mpts |
| Waveform Refresh Rate | 7M wfms/s |
| Operating System | Android |
| Display | 7-inch 1024×600 Capacitive Touchscreen |
| Connectivity | WiFi, LAN, USB, HDMI |
| Built-in Functions | Signal Generator (10MHz), True RMS Multimeter |
| Vertical Resolution | 12-bit (4096 levels) |
| Item Weight | 3.96 pounds |
| Package Dimensions | 14.72 x 7.95 x 4.29 inches |
Figure 7: Physical dimensions of the AHO814 Oscilloscope.
Figure 8: High-resolution 12-bit waveform capture capability.
7. Warranty and Support
7.1 Warranty Information
This product is covered by a standard manufacturer's warranty. For specific warranty terms and conditions, please refer to the warranty card included in your product packaging or visit the official HANMATEK website. Protection plans are also available for extended coverage.
- 3-Year Protection Plan: Available for purchase.
- 4-Year Protection Plan: Available for purchase.
7.2 Customer Support
For technical assistance, troubleshooting, or service inquiries, please contact HANMATEK customer support. Contact details can be found on the official HANMATEK website or in your product documentation.