HANTEK HRDO4084D (01) PDF Document

Please read the following safety precautions carefully to avoid injury and prevent damage to your HANTEK HRDO4084D oscilloscope.

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 the probe to the circuit being measured, connect the probe to the oscilloscope first. Before disconnecting the probe from the oscilloscope, disconnect the probe and the circuit under test first.

Ground the product: To avoid electric shocks, the product is grounded through a grounding conductor of the power cable. The grounding conductor must be connected to the ground before connecting the input or output terminals.

Connect the probe properly: The ground wire of the probe is the same as the 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.

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

Avoid circuit exposure: Do not touch exposed connectors and components after power is switched on.

Do not operate if the product is suspected to be faulty: If you suspect the product has been damaged, have qualified maintenance personnel check it.

Maintain proper ventilation.

Do not operate in a humid environment.

Do not operate in an inflammable or explosive environment.

Keep the product surface clean and dry.

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:

This product is powered by mains conforming to installation (overvoltage) category II.

Pollution Degree:

Pollution Degree 2

Care:

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

Cleaning:

If the oscilloscope and probe are inspected frequently, clean the outer surface of the instrument by following these steps:

1. Use a lint-free cloth to remove the dust from the outside of the oscilloscope and probe. Be careful to avoid scratching the smooth display filter material.

2. Clean the oscilloscope with a soft cloth soaked in water. For a more thorough cleaning, 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 the device is dry enough to avoid electrical short circuit or personal injury caused by moisture.

The HANTEK HRDO4084D series oscilloscope has the following features:

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

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

Built-in dual channel 200MHz signal source, ±7V voltage output, 1GSa/s sampling rate.

10.1 inch multi-touch capacitive screen, 256 level waveform gray scale and color temperature display.

Rich serial protocol triggering and decoding functions.

Waveform capture rate is higher than 1.1 million waveforms per second.

Up to 51 kinds of waveform parameters are automatically measured.

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

After receiving the oscilloscope, please follow these steps to check the instrument:

1. Check the shipping package: Check for any damage caused by transportation. If the packaging cartons or protective foam pads are seriously damaged, please keep them until the whole machine and accessories pass electrical and mechanical testing.

2. Check the accessories: The details of the accessories are provided in Appendix A of the user manual. If any accessory is missing or damaged, contact the dealer.

3. Check the machine: If you find the instrument is damaged, not working properly, or unable to pass the performance test, contact the dealer.

1. To Adjust the Supporting Legs: A bracket is located at the bottom of the machine. Adjust it appropriately to tilt the oscilloscope slightly upwards for better placement stability and easier observation.

2. To Connect to AC Power: The AC power supply specifications are 47-440Hz, 90-264VAC/127-320VDC, 80Watts MAX. Connect the oscilloscope to the power supply using the provided power cord. To avoid electric shock, ensure the instrument is correctly grounded.

3. Turn-on Checkout: Press the power button in the lower left corner of the front panel. During startup, all button lights will light up for a few seconds as the oscilloscope performs self-checks. The startup screen will appear after completion.

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

2. Connect the grounding crocodile clamp wire 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 the square wave signal is displayed normally.

6. Check CH2 to CH4 channels using the same method. If the square wave waveform is not displayed correctly, you may need to perform probe compensation.

When connecting a probe to any input channel for the first time, this adjustment is required to match the probe with the input 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, Over compensated, Under compensated).

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

The HANTEK HRDO4084D supports multi-touch and gesture operations.

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

2. Drag: After holding down a target, drag it to the desired position. This can be used to drag the waveform to change its displacement/offset or drag a window to change its position.

3. Pinch & Stretch: Bring two fingers together or apart on the screen to amplify or reduce the waveform. Vertical pinching adjusts the vertical gear, and horizontal pinching adjusts the horizontal gear.

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

The HANTEK HRDO4084D supports two methods for parameter setting:

1. Multi-functional Knob: For parameters on a menu, rotate the multi-functional knob V0 in the button area to select parameter items or modify their values.

2. Numeric Keypad: After clicking on a parameter in a menu, a numeric keyboard will pop up on the screen. Use the touch screen to enter values or units. The keypad also has options to set parameters to maximum, minimum, or default values, and to clear the input box.

You can also click the menu label button directly to switch settings for some parameters.

The help system provides instructions for various function buttons and menu keys.

1. Click the [Help] button in the button area to enter the help module.

2. Press other keys to obtain help information for that specific key.

3. Press the [Help] button again to exit the help module.

For example, after clicking [Help], click [QuickAction] to see the explanation menu for the QuickAction button.

To Enable an Analog Channel (e.g., CH1):

Click on the channel status label at the bottom of the screen. The label will light up, and the corresponding button in the button area [CH1] will also light up.

Alternatively, press the [CH1] button directly to open the channel.

To Disable an Analog Channel:

If the channel is already open and selected, press its corresponding button (e.g., [CH1]) once to close it.

If the channel is open but not selected, press its button once to select it, then press it again to close it.

Use the touch screen function to close the channel by clicking on the channel number in the menu at the bottom of the screen.

Vertical Scale (V/div):

Rotate the vertical gear knob for the desired channel. Rotate clockwise to decrease the V/div setting (zoom in) and counterclockwise to increase it (zoom out).

Alternatively, use the touch screen to click on the channel menu and set the vertical gear in the pop-up menu.

Vertical Offset:

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

Alternatively, use the touch screen to drag the waveform up or down, or click the channel menu to set the offset.

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. You can choose to turn it off or limit bandwidth to reduce noise (e.g., 20M, 100M, 200M, 350M).

Probe Ratio: Open the channel menu and select Attenuation to match the attenuation ratio of your probe (e.g., 1X, 10X).

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

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

Horizontal Position (Trigger Position):

Rotate the horizontal position knob to move the trigger point and waveform left or right on the screen. Pressing the knob resets the position to zero.

Alternatively, click the horizontal label at the top of the screen to enter a value, or use the drag gesture on the touch screen.

Horizontal Time Base (s/div):

Rotate the horizontal time base knob to change the time scale. Clockwise decreases the time/division (zooms in), and counterclockwise increases it (zooms out).

Alternatively, click the time base label at the top of the screen to enter a value, or use the pinch gesture on the touch screen.

Delayed Sweep (Zoom):

Click the [Zoom] button to enter delayed sweep mode. The screen splits into two areas: the top shows the main waveform, and the bottom shows a magnified portion. Use the horizontal knobs to adjust the magnified window’s position and width.

Click the [Acquire] button to enter the sample system settings menu.

Timebase Mode:

Select YT mode (Voltage vs. Time), XY mode (Channel 1 vs. Channel 2, for Lissajous patterns), or ROLL mode (for slow-moving signals, scrolls from right to left).

Acquisition Mode:

Normal: Samples the signal at equal time intervals. Best for most waveforms.

Average: Averages multiple waveforms to reduce random noise and improve vertical resolution. Set the number of averages from 2 to 1024.

Peak: Captures the maximum and minimum values in each acquisition interval to find narrow pulses and avoid aliasing.

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

Memory Depth:

Select the number of points to store in a single acquisition. A higher memory depth allows for a higher sample rate at slower time base settings. Options vary based on the number of active channels.

Enter the trigger menu by pressing the [Trig Menu] button or clicking the trigger tab at the top of the screen.

1. Trigger Type: Select the type of event to trigger on. Options include Edge, Pulse, Video, Slope, Runt, and various serial bus triggers (UART, I2C, SPI, etc.).

2. Trigger Source: Select the input source for the trigger, which can be any of the analog channels (CH1-CH4), digital channels, or the external trigger input (EXT).

3. Trigger Level: Use the trigger knob to set the voltage level that the trigger source signal must cross to cause a trigger. Pressing the knob sets the level to 50% of the waveform peak.

4. Trigger Mode:

Auto: The oscilloscope triggers when the trigger condition is met but will generate untriggered sweeps if no trigger occurs, ensuring the waveform is always visible.

Normal: The oscilloscope only triggers and updates the display when the trigger condition is met.

Single: The oscilloscope acquires one waveform when the trigger condition is met and then stops.

5. Trigger Holdoff: Set a period of time during which the oscilloscope will not trigger after a valid trigger has occurred. This is useful for stabilizing complex or repetitive waveforms.

Press the [Meas] button to access the measurement menu.

1. Add a Measurement: Click on ‘Add’. Select a measurement category (Horizontal, Vertical, Other). Select the specific parameter you want to measure (e.g., Freq, Period, VMax, Vpp).

2. Select Source: Choose the source channel for the measurement (e.g., CH1, CH2, Math).

3. View Results: The measurement results will be displayed at the bottom of the waveform screen. You can add multiple measurements.

4. Statistics: You can enable statistics to view the current, average, maximum, and minimum values of a measurement over time.

5. All Measure: This function displays all available measurement parameters for a selected source on the screen simultaneously.

Press the [Cursors] button to enter the cursor setting menu.

1. Select Mode: Choose the cursor mode. ‘Manual’ allows you to freely place cursors. ‘Track’ mode locks the cursors to the waveform of a selected source.

2. Select Type: Choose the cursor type. ‘X’ cursors are vertical lines for measuring time and frequency. ‘Y’ cursors are horizontal lines for measuring voltage.

3. Select Source: Choose the channel you want to measure.

4. Adjust Cursors: Select cursor A (AX, AY) or cursor B (BX, BY) and use the multi-function knob V0 to move it. You can also select AXBX or AYBY to move both cursors together.

5. Read Measurements: A cursor measurement window appears on the screen, displaying the values at each cursor’s position (AX, BX, AY, BY) and the difference between them (BX-AX, BY-AY).

Press the [Save/Recall] button to open the menu.

To Save:

1. Select Storage Type: Choose ‘Save Image’, ‘Save Wave’, or ‘Save Setup’.

2. Configure Settings:

For Images: Select format (*.png, *.bmp, etc.), file name, and other options.

For Waveforms: Select data source (Screen or Memory), format (*.bin or *.csv), file name.

For Setups: Select file type (*.stp), file name.

3. Choose Location: Use the disk management interface to select internal memory or an external USB drive.

4. Save: Click the ‘Save’ button in the menu.

To Recall (Load):

1. Select Load Type: Choose ‘Load Wave’ or ‘Load Setup’.

2. Select File: Navigate to the file location (internal or USB) and select the file you want to load.

3. Load: Click the ‘Load’ menu tab to load the selected file.

Press the [G1] or [G2] button to enter the signal generator setting interface for the respective channel.

To Output a Basic Waveform:

1. Select Waveform: Click the ‘Wave’ menu tab and select a basic waveform (e.g., Sine, Square, Ramp, Pulse, Noise).

2. Set Parameters: Adjust parameters such as Frequency, Amplitude, Offset, and Start Phase using the on-screen menus and the multi-function knob or numeric keypad.

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

To Output an Arbitrary Waveform:

1. Select ‘Arb’ from the ‘Wave’ menu.

2. You can ‘Load from CH’ to capture a waveform from an oscilloscope channel, ‘Load Stored’ to load a saved arbitrary waveform file, or ‘Create’/’Edit’ to define a new waveform point by point.

Modulation and Burst:

From the settings menu, you can also apply Modulation (AM, FM, PM) or configure a Burst output (N-cycle or Gated).

1. The horizontal time base might be set too low for the signal frequency. Try increasing the horizontal time base (turn the knob counter-clockwise) to improve the display.

2. If the display type is set to “Vector”, the lines drawn between sample points may cause a ladder-like appearance, especially with low sample rates. Changing the display settings might help.

1. Check if the power switch of the oscilloscope is turned on.

2. Check if the fuse is intact. If a fuse needs to be replaced, please use a fuse that meets the product’s specifications.

3. If the button board still does not light up, please contact Hantek technical support.

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

2. Check if the channel you are using (e.g., CH1) is turned on.

3. Detect whether the circuit under test has a signal output.

4. If it is a DC signal with a large amplitude, you may need to increase the vertical scale (V/div).

5. Press the [Auto Scale] button to have the oscilloscope automatically detect the signal and adjust the settings.

If there is still no waveform display, please contact Hantek technical support.

1. Check if the touch screen function is turned on. If it is locked, click the [Touch Lock] key in the button area to turn it on.

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

3. Check if the oscilloscope is close to a strong magnetic field. If it is, please move it away from the magnetic field.

If you still cannot use the touch screen, please contact Hantek technical support.

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

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

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

4. Restart the oscilloscope and reinsert the USB drive for inspection.

If the issue persists, please contact Hantek Technical Support.

1. Check if the power switch of the machine is turned on.

2. Check if the power plug of the oscilloscope is properly connected.

3. Check if the fuse is intact. If a fuse needs to be replaced, ensure you use one that meets the product specifications.

4. Turn on the machine again to see if it can be turned on normally.

If the machine still cannot be opened, please contact Hantek Technical Support.