HANTEK HRDO4204C (01) PDF Document

To ensure safety and prevent damage to your HANTEK HRDO4204C, please follow these precautions:

• Only professionally authorized personnel should perform repairs.

• Use only the power cable approved for the country of use.

• Connect the probe to the oscilloscope first before connecting it to the circuit being measured. When disconnecting, disconnect the probe from the circuit under test first, then from the oscilloscope.

• Ensure the product is properly grounded through the power cable’s grounding conductor before connecting any input or output terminals.

• Do not connect the ground wire of the probe to high voltage, as it is at the same potential as the ground.

• Check all rating values and signs on the product before connecting it to avoid fire or excessive current.

• Do not operate the product with its cover or panel open.

• Avoid touching exposed connectors and components when the power is on.

• If you suspect the product is damaged or faulty, have it checked by qualified maintenance personnel.

• Maintain proper ventilation and do not operate in humid, inflammable, or explosive environments.

• Keep the product surface clean and dry.

The safety terms and signs on your HANTEK HRDO4204C are defined as follows:

Safety terms in the manual:

• Warning: Indicates an operation that may not cause immediate damage to you.

• Note: Indicates an operation that may cause damage to the product or other property.

Safety terms on the product:

• Warning: Indicates a potential hazard may be caused to you if you do not perform this operation.

Safety signs on the product:

• A triangle with a lightning bolt signifies a Hazardous Voltage.

• A triangle with an exclamation mark signifies a Safety Warning.

The specified working environment for the HANTEK HRDO4204C is as follows:

Temperature:

• Operating: 0°C to 50°C

• Non-operating: -30°C to 70°C

Humidity:

• Operating:

– Below +30°C: ≤95%RH (without condensation)

– +30°C to +40°C: ≤75%RH (without condensation)

– +40°C to +50°C: ≤45%RH (without condensation)

• Non-operating: Below 65°C: ≤95% RH (without condensation)

Altitude:

• Operating: below 3 km

• Non-operating: below 15 km

Installation (Overvoltage) Category:

• Category II

Pollution Degree:

• Pollution Degree 2 (Normally only nonconductive pollution occurs. Temporary conductivity caused by condensation is to be expected).

Care:

Do not expose the LCD to direct sunlight for a long time when storing or placing the oscilloscope.

Cleaning:

1. Use a lint-free cloth to remove dust from the outside of the oscilloscope and probe. Be careful not to scratch the display filter.

2. For general cleaning, use a soft cloth soaked in water. For a more thorough cleaning, you can use an aqueous solution of 75% isopropyl alcohol.

Note: To avoid damaging the surface of the oscilloscope or probe, do not use any corrosive reagent or chemical cleaning reagent.

Warning: Before powering on the device again, ensure that it is completely dry to avoid electrical short circuits or personal injury caused by moisture.

The HANTEK HRDO4204C Digital Oscilloscope offers the following features:

• 12bit vertical resolution, up to 10GSa/s sampling rate, and a maximum bandwidth of up to 3GHz.

• Integrates 8 independent instruments in one, including a 4-Channel oscilloscope, 16-channel logic analyzer, spectrum analyzer, 2-Channel arbitrary wave generator, digital voltmeter, frequency meter and accumulator, and protocol analyzer/generator.

• A built-in dual-channel 200MHz signal source with ±7V voltage output and 1GSa/s sampling rate.

• A 10.1-inch multi-touch capacitive screen with 256-level waveform grayscale and color temperature display.

• Rich serial protocol triggering and decoding functions.

• A waveform capture rate higher than 1.1 million waveforms per second.

• Automatic measurement for up to 51 kinds of waveform parameters.

• Multiple data analysis and processing functions, including independent search, navigation buttons, event lists, histograms, Bode plots, power analysis, and frequency meters.

After receiving your HANTEK HRDO4204C, please perform the following checks:

1. Check the shipping package: Inspect the packaging for any damage that may have occurred during transportation. If the cartons or foam are seriously damaged, keep them until the unit has passed all tests.

2. Check the accessories: Verify that all accessories listed in Appendix A are present and undamaged. If anything is missing or damaged, contact the dealer.

3. Check the machine: Inspect the oscilloscope for any physical damage. If it appears damaged, does not work properly, or fails a performance test, contact your dealer.

Follow these steps to set up and check your HANTEK HRDO4204C:

1. Adjust the Supporting Legs: Adjust the bracket at the bottom to tilt the oscilloscope upwards for better viewing and stability.

2. Connect to AC Power: Use the provided power cord to connect the oscilloscope to a power supply (47-440Hz, 90-264VAC/127-320VDC, 80Watts MAX). Ensure the instrument is correctly grounded.

3. Turn-on Checkout: Press the power button on the lower left of the front panel. The button lights will illuminate, and the oscilloscope will perform a series of self-checks before displaying the startup screen.

4. Function Inspection:

• Click [Default Setup] in the button area to restore factory settings.

• Connect the grounding crocodile clamp of the probe to the grounding terminal on the front panel.

• Connect the probe to the CH1 input terminal and the compensation signal output terminal.

• Set the probe attenuation ratio to X10 and click [Auto Scale].

• Observe the waveform on the screen. A normal square wave signal should be displayed.

• Repeat for channels CH2-CH4.

When connecting a probe to an input channel for the first time, you must compensate it to match the probe with the channel. Uncompensated probes can lead to measurement errors.

1. Perform the first four steps of the “Function Inspection” procedure.

2. Compare the displayed waveform with the standard compensation waveforms:

• Perfectly compensated: A flat-topped square wave.

• Over compensated: The top of the square wave overshoots.

• Under compensated: The top of the square wave is rounded.

3. If the waveform is not perfectly compensated, use a non-metallic screwdriver to adjust the variable capacitance on the probe until the waveform on the screen is a “Perfectly compensated” square wave.

The front panel of the HANTEK HRDO4204C has several control sections:

Horizontal:

• Search: Enters the search settings menu to find events in collected data.

• Zoom: Turns the delayed scanning (zoom) function on or off.

• Horizontal Time Base Knob: Rotate to change the time per division (s/div). Press to switch between “Coarse” and “Fine” adjustment.

• Horizontal Position Knob: Rotate to move the waveform left or right. Press to reset the horizontal position to zero.

• Navigation Control Keys: Used for recording, playback, and event navigation.

Vertical:

• CH1, CH2, CH3, CH4 buttons: Enable or disable the respective analog input channel.

• Channel Vertical Offset Knob: Rotate to move the selected channel’s waveform up or down. Press to reset the offset to zero.

• Channel Vertical Gear Knob: Rotate to change the volts per division (V/div). Press to switch between “Coarse” and “Fine” adjustment.

Trigger:

• Trigger Knob: Rotate to adjust the trigger level. Press to set the trigger level to 50% of the waveform peak.

• Trig Menu: Opens the trigger operation menu.

• Force Trig: Forces the oscilloscope to generate a trigger signal.

• Mode: Switches the trigger mode between Auto, Normal, and Single.

Other Keys:

• AUTO: Automatically adjusts settings for an optimal waveform display.

• Run/Stop: Starts or stops waveform acquisition.

• Single: Sets the oscilloscope to acquire a single waveform upon a valid trigger.

• Default: Restores the oscilloscope to factory default settings.

• Touch Lock: Disables the touch screen function.

The user interface of the HANTEK HRDO4204C is divided into several areas:

1. Hantek logo, function navigation: Click the icon to open function navigation.

2. Running status: Shows the oscilloscope’s status (RUN, STOP, TD, WAIT, AUTO).

3. Horizontal time base: Displays the time per division (s/div).

4. Horizontal displacement: Shows the horizontal position value relative to the trigger point.

5. Sampling rate/storage depth: Displays the current sampling rate and memory depth.

6. Trigger position marker: An icon indicating the trigger point on the time axis.

7. Waveform memory: A diagram showing the position of the displayed waveform within the acquisition memory.

8. Trigger information: Displays trigger type, level, and mode.

9. Trigger source: Displays the current trigger source (e.g., CH1).

10. Trigger type: Displays the selected trigger type and conditions.

11. Trigger level/threshold level: Displays the voltage level for the trigger.

12. Operation menu: The menu area on the right side of the screen, corresponding to front panel buttons.

13. Notification area: Displays icons for time, sound, USB drive, and LAN connections.

14. Arbitrary wave generator (option): Shows the status of the wave generator.

15. Digital channel status area: Shows the status of digital channels.

16. Message box: Displays prompt messages.

17-21. Channel status labels (CH1-CH4): At the bottom of the screen, displays the status, vertical scale (V/div), offset, coupling, and bandwidth limit for each channel.

The HANTEK HRDO4204C supports multi-touch and gesture operations:

1. Tap: Tap a menu, button, or parameter on the screen with one finger to select or activate it. This can be used to operate menus, enter values with the pop-up numeric keyboard, or close windows.

2. Drag: Press and hold an item, then drag it to a new position. This can be used to change a waveform’s vertical offset or move a window on the screen.

3. Pinch & Stretch: Use two fingers to pinch together or spread apart. This gesture can be used to adjust the vertical scale (V/div) or horizontal time base (s/div) to zoom in or out on the waveform.

4. Rectangle Drawing: Click the [Hantek] icon, then click ‘AreaSel’ to enter this mode. Drag your finger across the screen to draw a rectangle over an area of the waveform. A pop-up menu will appear with options to zoom horizontally, vertically, or both on the selected area, or to open a Histogram for that area.

To Enable or Disable an Analog Channel:

• Press the corresponding channel button (e.g., [CH1]) on the front panel. The button and its associated knob will light up, and the channel status label will appear at the bottom of the screen.

• Press the button again to turn the channel off.

To Adjust the Vertical Scale (V/div):

• Rotate the vertical gear knob for the selected channel. Clockwise decreases the V/div (zooms in vertically), and counter-clockwise increases it (zooms out).

• Press the knob to toggle between coarse and fine adjustment.

To Adjust the Vertical Offset:

• Rotate the vertical offset knob for the selected channel to move the waveform up or down.

• Press the knob to reset the offset to 0V.

• Alternatively, you can drag the waveform up or down using the touch screen.

To access these settings, press the desired channel button (e.g., [CH1]) to open its menu.

Channel Coupling:

• In the channel menu, select Coupling.

• DC: Allows both AC and DC components of the signal to pass through.

• AC: Blocks the DC component of the signal.

• GND: Disconnects the input signal and grounds the channel input to display a zero-volt reference.

Bandwidth Limit:

• In the channel menu, select BW Limit.

• You can choose to limit the bandwidth to reduce high-frequency noise. Options typically include 20M, 100M, 200M, 350M, or off (full bandwidth).

Input Impedance:

• In the channel menu, select Impedance.

• 1M Ω: This is the standard high-impedance input suitable for most applications.

• 50 Ω: Use this to match the oscilloscope with 50 Ω sources or cables to prevent signal reflections.

To Adjust the Horizontal Time Base (s/div):

• Rotate the large horizontal knob in the Horizontal control section. Turn it clockwise to decrease the time base (zoom in) and counter-clockwise to increase it (zoom out).

• Press the knob to switch between “Coarse” and “Fine” adjustment modes.

To Adjust the Horizontal Position:

• Rotate the small horizontal position knob. This moves the trigger point and the waveform left or right relative to the center of the screen.

• Press the knob to reset the horizontal position to zero.

Using Delayed Sweep (Zoom):

• Press the [Zoom] key in the Horizontal control section. The screen will split into two areas.

• The top area shows the original waveform, and the bottom area shows a magnified (zoomed-in) portion.

• Use the horizontal time base knob to change the zoom factor and the horizontal position knob to move the zoom window across the original waveform.

Press the [Acquire] key on the front panel to open the acquisition menu. From here you can select the acquisition method:

• Normal: The standard mode that samples the signal at equal time intervals. This provides the best display for most waveforms.

• Average: Averages multiple waveforms to reduce random noise and improve vertical resolution. You can set the number of averages to be taken.

• Peak: Captures the maximum and minimum values within each sampling interval. This mode is useful for finding narrow glitches and avoiding aliasing.

• High Resolution: Averages adjacent points from a single acquisition to reduce noise and produce a smoother waveform. It is used when the sampling rate is higher than the storage rate of the acquisition memory.

A stable display requires a correct trigger setup. Use the controls in the Trigger section of the front panel.

1. Open the Trigger Menu: Press the [Trig Menu] button.

2. Select Trigger Type: In the menu, select Type and choose the desired trigger type (e.g., Edge, Pulse, Video). For basic triggering, Edge is most common.

3. Select Trigger Source: Select Source and choose the channel you want to trigger on (e.g., CH1, CH2, etc.).

4. Set Trigger Level: Rotate the Trigger knob to move the horizontal trigger level line up or down. Position it on the waveform at the voltage level where you want the trigger to occur.

5. Select Slope (for Edge Trigger): In the Edge trigger menu, select Slope Type and choose Rising (for rising edges), Falling (for falling edges), or Either.

6. Select Trigger Mode: Press the Mode button to cycle through:

• Auto: The oscilloscope will trigger if a valid trigger event occurs. If not, it will auto-trigger to show a live but possibly unstable waveform.

• Normal: The oscilloscope only updates the display when a valid trigger event occurs. If no trigger occurs, the display freezes on the last acquired waveform.

• Single: The oscilloscope waits for one valid trigger event, captures the waveform, and then stops acquiring.

The HANTEK HRDO4204C can automatically measure various waveform parameters.

1. Press the [Meas] button on the front panel to open the measurement menu.

2. Select Add to open the measurement selection panel.

3. The panel is divided into categories: Horizontal (time parameters like Frequency, Period, Rise Time), Vertical (voltage parameters like VMax, VMin, Vp-p), and Other (delay and phase parameters).

4. Select the desired measurement category, then tap on the specific parameter you want to measure (e.g., tap on ‘Freq’ to measure frequency).

5. The measurement will be added to the display at the bottom of the screen, showing its value for the selected source channel.

6. You can add multiple measurements to the screen at once.

To see all available measurements for a source at once, go to [Meas] -> All Measure and select the source channel.

Cursors allow for manual measurements of time (X-axis) and voltage (Y-axis).

1. Press the [Cursors] button on the front panel.

2. In the Cursors menu, select Mode and choose Manual.

3. Select the Source channel you want to measure.

4. Choose the cursor Type:

• X: Displays two vertical lines (Cursor A and Cursor B) to measure time or frequency.

• Y: Displays two horizontal lines (Cursor A and Cursor B) to measure voltage.

5. Use the multifunction knob (V0) to adjust the cursor positions. You can select to move AX (Cursor A), BX (Cursor B), or AXBX (both together) for X cursors, and similarly for Y cursors (AY, BY, AYBY).

6. A measurement window will appear on the screen displaying the cursor positions (AX, BX, AY, BY) and the difference between them (BX-AX for time, BY-AY for voltage), as well as the reciprocal of the time difference (1/dX for frequency).

You can save data to internal memory or an external USB flash drive.

1. Press the [Save/Recall] button on the front panel.

2. Select the storage type you wish to perform:

• Save Image: To save a screenshot of the display. You can configure format (*.png, *.bmp, etc.), file name, and color options.

• Save Wave: To save the waveform data points. You can select the source (Screen or Memory), format (*.bin, *.csv), and file name.

• Save Setup: To save the current oscilloscope settings. The format is *.stp.

3. After configuring the options, select the storage location (internal disk ‘C:\’ or removable USB disk ‘D:\’) and press the Save button in the menu.

To recall data, select Load Wave or Load Setup from the [Save/Recall] menu, navigate to the desired file using the disk management interface, and select it to load.

A ladder-like waveform can be caused by two things:

1. The horizontal time base might be too low (too fast). Try increasing the horizontal time base (turn the s/div knob counter-clockwise) to display more points and improve the display effect.

2. If the display type is set to “Vector,” the lines drawn between sample points might cause this effect. This is a normal representation of the sampled data.

If no waveform is displayed, follow these troubleshooting steps:

1. Check that the probe is correctly and securely connected to the BNC input connector for the selected channel.

2. Ensure the channel you are using is turned on (press the corresponding CH1-CH4 button).

3. Verify that there is a signal being output from the circuit you are testing.

4. If it is a DC signal with a large amplitude, you may be off-screen. Try adjusting the vertical position or increasing the amplitude range (V/div).

5. Press the [Auto Scale] button. This will cause the oscilloscope to automatically search for a signal and adjust the settings to display it.

If the touch screen is not responding, check the following:

1. Check if the touch screen function has been locked. Press the [Touch Lock] button in the button area to turn the touch screen function on.

2. Check for any dirt or debris on the screen or on your fingers. If there is, please clean it first.

3. Check if the oscilloscope is near a strong magnetic field. If so, move the device away from the field.

Pressing the [Default Setup] button restores the HANTEK HRDO4204C to its factory settings. The key default settings are: