HANTEK HRDO4304E (01) PDF Document

To ensure safety and prevent damage when using your HANTEK HRDO4304E, please follow these precautions:

Only professionally authorized personnel can perform repairs.

Use the right power cable: Use only the power cable approved for the country in which the product is used.

Connect and disconnect correctly: Before connecting a probe to a circuit, connect the probe to the oscilloscope first. Before disconnecting the probe from the oscilloscope, disconnect the probe from the circuit under test first.

Ground the product: The product is grounded through the grounding conductor of the power cable to avoid electric shocks. Ensure the product is properly grounded before connecting any input or output terminals.

Connect the probe properly: The ground wire of the probe is at ground potential. Do not connect the ground wire to high voltage.

View all terminal rating values: To avoid fire or excessive current, check all rating values and signs on the product before connecting.

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

Avoid circuit exposure: Do not touch exposed connectors and components when the power is on.

Do not operate if the product is suspected to be faulty: If you suspect damage, have it inspected by qualified maintenance personnel.

Maintain proper ventilation.

Do not operate in a humid, inflammable, or explosive environment.

Please keep the product surface clean and dry.

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. Clean the oscilloscope with 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, do not use any corrosive or chemical cleaning reagents.

Warning: Ensure the device is completely dry before powering it on again to avoid electrical short circuits or personal injury from moisture.

The HANTEK HRDO4304E offers a range of advanced features for efficient and accurate testing:

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

An integrated 8-in-1 instrument, including a 4-Channel oscilloscope, 16-channel logic analyzer, spectrum analyzer, 2-Channel arbitrary wave generator, digital voltmeter, frequency meter/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 gray scale and color temperature display.

Rich serial protocol triggering and decoding functions.

A high waveform capture rate of over 1.1 million waveforms per second.

Automatic measurement of up to 51 kinds of waveform parameters.

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

1. Check the shipping package: After receiving the oscilloscope, check for any damage caused by transportation. If the packaging is seriously damaged, keep it until the machine and accessories pass electrical and mechanical testing.

2. Check the accessories: Verify that all accessories listed in Appendix A are present and undamaged.

3. Check the machine: If the instrument appears damaged, is not working properly, or fails a performance test, contact your dealer.

4. Adjust the Supporting Legs: Adjust the bracket at the bottom of the machine to tilt the oscilloscope upwards for better placement and observation.

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

6. Turn-on Checkout: Press the power button on the front panel. During startup, all button lights will illuminate, and the oscilloscope will perform a series of self-checks. The startup screen will appear upon completion.

Function Inspection:

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

2. Connect the grounding crocodile clamp of the probe to the grounding terminal.

3. Connect the probe to the input terminal of channel 1 and the compensation signal output terminal.

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

5. Observe the waveform to see if a square wave signal is displayed normally. Repeat for channels CH2-CH4.

Probe Compensation:

This adjustment is required the first time you connect a probe to an input channel to match the probe with the channel.

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

2. Compare the displayed waveform to the reference images for “Perfectly compensated,” “Over compensated,” and “Under compensated.”

3. If necessary, use a non-metallic screwdriver to adjust the variable capacitance on the probe until the waveform is “Perfectly compensated.”

Search: Press this key to enter the search settings menu, allowing you to find specific events in the collected data.

Zoom: Press this key to turn the delayed scanning (zoom) function on or off.

Horizontal time base knob: Rotate to modify the horizontal time base (time per division). Clockwise decreases the time base (zooms in), and counter-clockwise increases it (zooms out). Press the knob to switch between “Coarse” and “Fine” adjustment modes.

Horizontal position knob: Rotate to modify the horizontal position of the trigger point. Waveforms will move left or right. Press the knob to quickly reset the horizontal position to zero.

Navigation Control Key: This key combination allows for recording and playback navigation, time navigation, and event navigation.

CH1, CH2, CH3, CH4 analog input channel switches: Press these buttons to turn the respective channels on or off. The button color corresponds to the waveform color on the screen.

Channel vertical offset knob: Rotate to modify the vertical offset (position) of the current channel’s waveform. The waveform moves up and down. Press the knob to quickly reset the vertical offset to zero.

Channel vertical gear knob: Rotate to modify the vertical gear (volts per division) of the current channel. Clockwise decreases the gear (increases amplitude), and counter-clockwise increases the gear (decreases amplitude). Press the knob to switch between “coarse adjustment” and “fine adjustment” modes.

Trigger knob: Rotate to modify the trigger level. Clockwise increases the level, and counter-clockwise decreases it. Press the knob to quickly set the trigger level to 50% of the waveform peak value.

Trig Menu: Press this button to open the trigger operation menu.

Force Trig: Press this key to force the oscilloscope to generate a trigger signal, regardless of the trigger conditions.

Mode: Press this key to switch the trigger mode between Auto, Normal, and Single.

Quick Action: Performs quick operations like screenshots, saving waveforms, saving settings, all measurements, and statistical resetting.

Analyze: Enters the analysis menu for functions like frequency counter, DVM, etc.

Cursors: Enters the cursor measurement menu (manual and tracking modes).

Save/Recall: Performs save and recall functions for settings and waveforms.

Utility: Enters the system function settings menu for interfaces, sound, language, etc.

Help: Provides instructions for the various function buttons on the front panel.

Meas: Enters the automatic measurement settings menu.

Acquire: Enters the sampling (acquisition) settings menu.

Display: Enters the display settings menu for waveform type, persistence, and brightness.

The HANTEK HRDO4304E features a multi-touch screen with several gesture controls:

1. Tap: Tap a menu or function on the screen with one finger to operate menus, use the pop-up numeric keyboard, or close pop-up windows.

2. Drag: After holding down a target, drag it to the desired position. This can be used to change a waveform’s vertical offset or move a window.

3. Pinch & Stretch: Bring two fingers together (pinch) or move them apart (stretch). This gesture can be used to adjust the vertical gear (vertical pinch/stretch) or the horizontal time base (horizontal pinch/stretch).

4. Rectangle Drawing: Click on the [Hantek] icon, then click on AreaSel to switch to rectangular drawing mode. Drag your finger to draw a rectangle on the screen. A menu will appear allowing you to select functions like “Histogram,” “Enlarge Level,” “Enlarge Vertical,” or “Enlarge Waveform” for the selected area.

Enable/Disable a Channel: Press the channel button (e.g., [CH1]) or tap the channel status label at the bottom of the screen to turn the channel on or off.

Adjust Vertical Scale (V/div): Rotate the corresponding channel’s vertical gear knob. Rotate clockwise to decrease the V/div value (increase amplitude) and counter-clockwise to increase it (decrease amplitude). You can also tap the channel menu and set the value in the pop-up menu.

Adjust Vertical Offset: Rotate the corresponding channel’s vertical offset knob to move the waveform up or down. You can also drag the waveform with your finger on the touch screen.

Channel Coupling: Open the channel menu and select Coupling. Options are DC (passes both AC and DC components), AC (blocks DC component), and GND (disconnects the input signal).

Bandwidth Limit: Open the channel menu and select BW Limit to reduce high-frequency noise. Options are typically Off, 20M, 100M, etc.

Probe Ratio: Open the channel menu and select Attenuation. Set the ratio (e.g., 1X, 10X, 100X) to match the probe you are using for correct voltage readings.

Input Impedance: Open the channel menu and select Impedance. Choose between 1M Ω (high impedance for general use) and 50 Ω (for matching with 50 Ω sources).

Waveform Invert: Open the channel menu and toggle the Invert switch to invert the waveform vertically.

Adjust Horizontal Position: Rotate the horizontal position knob to move the waveform left or right relative to the trigger point. You can also drag the waveform horizontally on the touch screen. Pressing the knob resets the position to zero.

Adjust Horizontal Time Base (s/div): Rotate the horizontal time base knob to change the time represented by each horizontal grid division. Rotate clockwise to decrease the time/div (zoom in) and counter-clockwise to increase it (zoom out). You can also use a horizontal pinch/stretch gesture on the touch screen.

Delayed Sweep (Zoom): Press the [Zoom] button to divide the screen into two areas. The top half shows the main waveform, and the bottom half shows a horizontally expanded (zoomed-in) section of the main waveform. You can adjust the main time base and position knobs to change the zoom window.

Press the [Acquire] button to enter the sampling settings menu. From here you can configure the following:

Timebase Mode:

YT Mode: The standard mode where the Y-axis is voltage and the X-axis is time.

XY Mode: Displays a Lissajous pattern where the X-axis is the voltage of one channel and the Y-axis is the voltage of another. Useful for measuring phase differences.

ROLL Mode: For very slow signals (50ms/div or slower), the waveform scrolls from right to left across the screen.

Acquisition Mode:

Normal: Samples the signal at equal time intervals. This provides the best display for most waveforms.

Average: Averages multiple waveform acquisitions to reduce random noise and improve vertical resolution. You can set the number of averages.

Peak: Captures the maximum and minimum values within each sampling interval to display the signal’s envelope and avoid aliasing on narrow pulses.

High Resolution: Averages adjacent points from a single acquisition to reduce noise and create a smoother waveform.

Memory Depth: Select the number of waveform points to store in a single acquisition. A higher memory depth allows for a high sample rate at slower time base settings.

An edge trigger occurs when the input signal crosses a specified voltage level on a specified edge. To set it up:

1. Press the [Trig Menu] button.

2. Type: Select “Edge” as the trigger type.

3. Source: Select the input channel (CH1-CH4, EXT) you want to use as the trigger source.

4. Slope Type: Select the edge to trigger on: Rising (positive slope), Falling (negative slope), or Either.

5. Trigger Level: Rotate the “Trigger” knob to adjust the voltage level line up or down. The oscilloscope will trigger when the source signal crosses this level in the direction specified by the slope.

6. Trigger Mode: Press the “Mode” button to select Auto (triggers automatically), Normal (triggers only when the condition is met), or Single (captures one trigger event and then stops).

Press the [Math] button on the front panel to open the mathematical operation menu.

For Arithmetic Operations (A+B, A-B, A*B, A/B):

1. Operator: Select the desired operation (e.g., A+B).

2. Source A / Source B: Select the source channels (e.g., CH1, CH2) for the operation.

3. Operation: Toggle the function On or Off.

4. Scale / Offset: Use the V0 knob or the on-screen menu to adjust the vertical scale and position of the resulting math waveform.

For FFT (Fast Fourier Transform):

1. Operator: Select FFT.

2. Source: Select the source channel to analyze.

3. X frequency range: Set the frequency range by defining the Span and Center frequency or the Start and End frequency.

4. Window: Select a windowing function (e.g., Hanning, Flattop) to reduce spectral leakage. The appropriate window depends on the signal being analyzed.

5. Peak Search: Turn this on to automatically identify peaks in the frequency spectrum.

The HANTEK HRDO4304E can automatically measure dozens of waveform parameters.

1. Press the [Meas] button to enter the measurement menu.

2. Select Add to add a new measurement.

3. Category: Choose from Horizontal (time-related), Vertical (voltage-related), or Other (delay, phase, area) measurement categories.

4. Select Measurement: Tap the specific parameter you want to measure (e.g., Freq, Period, VMax, PkPk).

5. Source A: Select the source channel for the measurement.

6. The measurement results will be displayed at the bottom of the screen. You can add multiple measurements.

All Measure: From the [Meas] menu, you can select All Measure to display all available parameters for a selected source on the screen simultaneously.

Statistics: From the [Meas] menu, you can turn on Statistic to display the current, mean, max, min, and standard deviation for all active measurements.

Cursors are used for manual measurements of time (X cursors) and voltage (Y cursors).

1. Press the [Cursors] button to open the cursor menu.

2. Mode: Select Manual.

3. Select: Choose between X cursors (vertical lines) or Y cursors (horizontal lines).

4. Source: Select the channel you want to measure.

5. Adjust Cursors:

Select AX or BX (for X cursors) or AY or BY (for Y cursors).

Rotate the multifunction knob (V0) to move the selected cursor (Cursor A is solid, Cursor B is dashed).

Select AXBX or AYBY to move both cursors simultaneously while maintaining their separation.

6. Read Results: A cursor measurement window appears on the screen displaying the absolute position of each cursor (AX, BX, AY, BY) and the difference between them (BX-AX, BY-AY). For X cursors, the reciprocal (frequency) is also shown.

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

1. Press the [Save/Recall] button.

2. Select the type of data you wish to save:

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

Save Wave: To save the waveform data points. You can select the source, format (*.bin, *.csv), file name, and whether to save data from the screen or the entire acquisition memory.

Save Setup: To save the current oscilloscope settings. You can set the file name.

3. After configuring the options, select Save to store the file.

To recall data, select Load Wave or Load Setup from the main menu, navigate to the desired file, and select Load.

Press the [G1] or [G2] button in the “Wave Gen” section to enter the signal generator setting interface for the respective channel.

To Output a Basic Waveform (e.g., Sine Wave):

1. Wave: Select the desired waveform type (Sine, Square, Ramp, Pulse, etc.) from the menu.

2. Frequency: Select this option and use the V0 knob or the pop-up numeric keypad to set the output frequency.

3. Amplitude: Set the peak-to-peak voltage of the waveform.

4. Offset: Set the DC offset voltage.

5. Impedance: Select the output impedance (HighZ or 50 Ω).

6. To enable the output, ensure the G1 or G2 button is illuminated.

Other settings like Start Phase, Duty Cycle (for square/pulse), or Symmetry (for ramp) will be available depending on the selected waveform.

1. The horizontal time base might be too slow for the signal being viewed. Try increasing the horizontal time base (turn the s/div knob clockwise) to improve the display.

2. If the display type in the [Display] menu is set to “Vector,” the lines drawn between sample points may cause this effect, especially with a low sample rate relative to the signal frequency. Check your acquisition settings.

1. Check if the probe is correctly and securely connected to the BNC input connector of the channel.

2. Check if the channel is enabled. The corresponding channel button (CH1-CH4) should be lit.

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

4. If it is a DC signal, check that the vertical offset and scale are set appropriately so the signal is not off-screen.

5. Press the [Auto Scale] button. The oscilloscope will attempt to automatically find the signal and adjust the settings for an optimal display.

If there is still no waveform, contact technical support.

1. Check if the touch screen function has been disabled. Press the [Touch Lock] button in the button area to re-enable the touch screen function. The button should not be illuminated.

2. Check for any dirt or debris on the screen or your fingers. Clean the screen if necessary.

3. Check if the oscilloscope is near a strong magnetic field, which can interfere with the touch screen. If so, move the oscilloscope away.

If the touch screen still does not work, please contact technical support.

1. Check if the USB drive itself is functioning properly by testing it in another device.

2. Confirm the capacity of the USB flash drive. It is recommended to use a drive that does not exceed 16GB.

3. Confirm that the format of the USB drive is FAT32.

4. Try restarting the oscilloscope and reinserting the USB drive.

If the issue persists, contact technical support.