1. Cynnyrch Drosview
The FeelTech FY6200 20M is a versatile Dual Channel DDS (Direct Digital Synthesis) Signal Generator and Frequency Counter. It features a maximum output frequency of 20MHz for sine waves, a 250MSa/s sampling rate, and 14-bit vertical resolution. This instrument is designed for generating various waveforms including sine, square, triangular, pulse, and arbitrary waveforms, with a full-range frequency resolution of 1µHz. It also includes a frequency counter and supports arbitrary waveform editing.

Ffigur 1: The FeelTech FY6200 20M Dual Channel DDS Signal Generator, shown with its standard accessories including BNC cables, USB cable, and power adapter.
2. Gosod a Chysylltiad Cychwynnol
- Dadbacio: Carefully remove the signal generator and all accessories from the packaging. Verify that all components listed in the packing list are present.
- Cysylltiad Pwer: Connect the provided power adapter to the DC input port on the rear panel of the device. Plug the adapter into a suitable power outlet.
- Pŵer Ymlaen: Press the power button located on the front panel to turn on the device. The 3.2-inch color screen will illuminate.
- Cysylltiadau Allbwn: Connect BNC cables to the CH1 Output1 and CH2 Output2 ports for waveform generation. The OK Counter port is for frequency counting input.
- Cysylltiad USB (Dewisol): For PC control or firmware updates, connect the device to a computer using the provided USB cable.

Ffigur 2: Rear panel of the FY6200 20M, illustrating the DC power input and USB communication port.
3. Cyfarwyddiadau Gweithredu
3.1 Rheolaethau Panel Blaen
The front panel features a 3.2-inch color screen, navigation buttons, a rotary encoder, and dedicated function buttons for easy operation.
- Sgrin: Displays waveform parameters, system settings, and measurement results.
- Amgodiwr Rotari: Used for adjusting parameter values. Turn clockwise to increase, counter-clockwise to decrease.
- Botymau Llywio: Arrow keys for menu navigation and parameter selection.
- Function Buttons (SAVE, LOAD, SYNC, CONF, MORE): Access various system and waveform management functions.
- Waveform Selection Buttons (WAVE, MOD, SWEEP, VCO, COUNTER, SYSTEM): Select the desired operating mode or waveform type.

Ffigur 3: Blaen view of the FY6200 20M, highlighting the display, control buttons, and output ports.
3.2 Generating Basic Waveforms
- Dewiswch Sianel: Use the CH1 or CH2 buttons to select the desired output channel.
- Dewiswch Donffurf: Gwasgwch y TONAU button to cycle through available waveform types (Sine, Square, Triangle, etc.).
- Addasu Amlder: Use the navigation buttons to highlight the frequency parameter. Turn the rotary encoder to set the desired frequency. The resolution is 1µHz.
- Addasu Ampgolau: Amlygwch y amplitude parameter and use the rotary encoder to set the peak-to-peak voltage. The pulse amplitude can be continuously adjusted between 0~10V with 0.001V accuracy.
- Adjust Duty Cycle/Phase: For waveforms like square or pulse, adjust the duty cycle. For sine waves, phase can be adjusted.
- Enable Output: Ensure the output for the selected channel (CH1 Output1 or CH2 Output2) is enabled.
3.3 Arbitrary Waveform Editing
The FY6200 supports user-defined arbitrary waveforms. It can store 64 user-defined arbitrary waveforms, each with a length of 8192 points (8K points) and 14-bit vertical resolution.
- Access Arbitrary Waveform Mode: Gwasgwch y TONAU button until 'Arbitrary Wave' is selected.
- Edit Waveform: Use the system menu or PC software (if available) to define or load arbitrary waveform data. Refer to the detailed software manual for specific instructions on creating and uploading arbitrary waveforms.
- Save/Load: Defnyddiwch y ARBED a LLWYTH buttons to manage stored arbitrary waveforms.
3.4 Frequency Counter Function
The device includes a frequency counter function.
- Mewnbwn Cysylltu: Connect the signal to be measured to the OK Counter porthladd mewnbwn.
- Select Counter Mode: Gwasgwch y COUNTER button to activate the frequency counter. The screen will display the measured frequency.

Ffigur 4: The system settings screen of the FY6200 20M, showing options for model, version, language, buzzer, uplink, and sync settings. This screen also provides the manufacturer's websafle am fwy o wybodaeth.
4. cynnal
- Glanhau: Defnyddiwch frethyn meddal, sych i lanhau tu allan y ddyfais. Peidiwch â defnyddio glanhawyr sgraffiniol na thoddyddion.
- Storio: Store the device in a cool, dry environment away from direct sunlight and extreme temperatures.
- Batri: The device includes a Lithium Metal battery. Follow local regulations for battery disposal if replacement is ever needed.
- graddnodi: For optimal accuracy, periodic calibration by qualified personnel is recommended.
5. Datrys Problemau
- Dim pŵer:
- Gwnewch yn siŵr bod yr addasydd pŵer wedi'i gysylltu'n ddiogel â'r ddyfais ac â soced pŵer sy'n gweithio.
- Gwiriwch fod y botwm pŵer wedi'i wasgu.
- Dim Arwydd Allbwn:
- Check that the output channel (CH1 or CH2) is enabled on the device.
- Verify BNC cables are correctly connected to the output ports and the receiving instrument.
- Confirm that frequency and amplitude parameters are set to valid values.
- Incorrect Frequency Counter Reading:
- Ensure the input signal is within the specified voltage and frequency range for the counter.
- Check the connection to the OK Counter port.
- Problemau Arddangos:
- If the display is frozen or unresponsive, try restarting the device.
6. manylebau

Ffigur 5: Detailed frequency and waveform characteristics for the FY6200 series, including the 20M model.
| Nodwedd | Manyleb |
|---|---|
| Rhif Model | GT-FY6200 20M |
| Maximum Sine Wave Frequency | 20 MHz |
| SampCyfradd ling | 250 MSa/s |
| Datrysiad Fertigol | 14 did |
| Datrys Amledd | 1 µHz (0.000001 Hz) |
| Amlder Cywirdeb | ±20 ppm |
| Sefydlogrwydd Amlder | ±1 ppm / 3 hours |
| Pwls Amplitude Adjustment | 0~10V (0.001V accuracy) |
| Waveform Catalog | Sine, Square, Triangle, Pulse, Arbitrary, TTL/CMOS Digital, Rising/Falling Sawtooth, DC Level, Half Wave, Full Wave, Positive/Negative Ladder, Anti-Ladder, Exponential Rise/Fall, Lorentz Pulse, Multi-Sound, Irregular Noise, ECG, Trapezoid Pulse, Cinke Pulse, Narrow Pulse, Gaussian White Noise, AM, FM, and 64 user-defined waveforms. |
| Nonvolatile Storage | 64 user-defined arbitrary waveforms |
| Hyd Tonffurf | 8192 points (8K points) |
| Arddangos | 3.2-inch (320*240) color screen |
| Dimensiynau Cynnyrch | 9.84 x 7.87 x 5.91 modfedd |
| Pwysau | 2.2 Bunt |
| Batris | 1 batri metel Lithiwm (wedi'i gynnwys) |
7. Gwarant a Chefnogaeth
This FeelTech product is covered by the manufacturer's standard warranty. For specific warranty terms and conditions, please refer to the documentation included with your purchase or visit the official FeelTech website. For technical support, troubleshooting assistance, or service inquiries, please contact FeelTech customer service or visit their official websafle: