HANTEK HRDO4084E (01) PDF Document

To ensure safe operation of your HANTEK HRDO4084E, please follow these safety precautions:

• Only professionally authorized personnel can perform repairs.

• Use the right 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 input or output terminals.

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

• View all terminal rating values: Check all rating values and signs on the product to avoid fire or excessive current.

• Do not operate with the cover 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 damage, have it checked 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:

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 dust from the outside of the oscilloscope and probe. Be careful to avoid scratching the display filter.

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 circuits or personal injury caused by moisture.

After receiving your oscilloscope, please perform the following checks:

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 entire machine and accessories have passed electrical and mechanical testing.

2. Check the accessories:

Verify that all accessories are present as listed in Appendix A of the user manual. If any accessory is missing or damaged, contact the dealer responsible for this business.

3. Check the machine:

If you find that the instrument is damaged, not working properly, or unable to pass the performance test, please contact the dealer responsible for this business.

1. To Adjust the Supporting Legs:

Adjust the bracket at the bottom of the machine to tilt the oscilloscope slightly upwards for better placement stability and easier observation.

2. To Connect to AC Power:

Connect the oscilloscope to a power supply (47-440Hz, 90-264VAC/127-320VDC, 80Watts MAX) using the provided power cord. Ensure the instrument is correctly grounded to avoid electric shock.

3. Turn-on Checkout:

Press the power button on the lower left corner of the front panel. During startup, all button lights will illuminate for a few seconds as the oscilloscope performs self-checks. The startup screen will appear upon completion.

4. Function Inspection:

• Click on [Default Setup] to restore the oscilloscope to factory settings.

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

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

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

• Observe the waveform to see if a square wave signal is displayed normally. Check other channels using the same method.

When connecting a probe to any input channel for the first time, you must perform this adjustment 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” section: connect the probe to channel 1 and the compensation signal output, then press [Auto Scale].

2. Compare the displayed waveform with the standard compensation waveforms. The waveform can be “Perfectly compensated,” “Over compensated,” or “Under compensated.”

3. If necessary, use a non-metallic screwdriver to adjust the variable capacitance on the probe until the waveform on the screen appears “Perfectly compensated.” Repeat this step if needed.

• Search: Press this key to enter the search settings menu, allowing you to search for 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 this knob to change the horizontal time base (time per division). Clockwise decreases the time base (zooms in), and counterclockwise increases it (zooms out). Press the knob to switch between “Coarse” and “Fine” adjustment modes.

• Horizontal Position Knob: Rotate this knob to adjust the horizontal position of the waveform (trigger position). Press the knob to reset the horizontal position to zero.

• Navigation Control Key: This combination key performs recording and playback navigation, time navigation, and event navigation.

• CH1, CH2, CH3, and CH4 channel switches: Press these buttons to turn the respective analog input channel on or off.

• Channel Vertical Offset Knob: Rotate this knob to adjust the vertical offset (position) of the selected channel’s waveform. Press the knob to reset the vertical offset to zero.

• Channel Vertical Gear Knob: Rotate this knob to adjust the vertical gear (volts per division). Clockwise decreases the gear (increases amplitude), and counterclockwise increases it (decreases amplitude). Press the knob to switch between “coarse adjustment” and “fine adjustment” modes.

• 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, Power Analysis, 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 various function buttons and menu keys.

• Meas: Enters the automatic measurement settings menu.

• Acquire: Enters the sampling settings menu (time base mode, acquisition method, memory depth).

• Display: Enters the display settings menu (display type, afterglow, brightness).

• Handle: For carrying the oscilloscope.

• LAN interface: To connect the oscilloscope to a network.

• USB VIEW interface: To connect the oscilloscope to a computer for remote control.

• Reference clock: Input for an external reference clock to provide a more accurate sampling clock or synchronize multiple oscilloscopes.

• Aux output terminal: Can output a trigger signal (Trigger output) or a Pass/Fail test pulse.

• EXT input: Used to input external trigger signals.

• G1, G2 signal source output terminal: Outputs the waveform set by the built-in signal generator.

• HDMI interface (option): To connect to an external display like a monitor or projector.

• RS-232/485 interface (option): Serial communication interface.

• Power socket: AC Power input terminal.

The HANTEK HRDO4084E supports multi-touch and gesture operations:

• Tap: Tap a menu, icon, or pop-up keyboard with one finger to operate it.

• Drag: After holding down a target (like a waveform or window), drag it to the desired position to change its displacement, offset, or position.

• Pinch & Stretch: Bring two fingers together (pinch) or move them apart (stretch) on the screen to zoom in or out on a waveform. Vertical pinch/stretch adjusts the vertical gear, and horizontal pinch/stretch adjusts the horizontal gear.

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

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

• Press the [CH1] button on the front panel. The button and the corresponding channel knob will light up.

• Alternatively, click on the channel status label at the bottom of the screen. The label will light up, and the corresponding front panel button will also light up.

To Disable an Analog Channel:

• If the channel is currently selected, press its front panel button (e.g., [CH1]) once to close it.

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

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

To Adjust the Vertical Scale (Volts/div):

• Rotate the vertical gear knob corresponding to the channel. Rotate clockwise to decrease the gear (increase amplitude) and counterclockwise to increase the gear (decrease amplitude).

• Alternatively, use the touch screen. Click on the channel menu at the bottom of the screen and set the vertical gear in the pop-up menu.

To Adjust the Vertical Offset:

• Rotate the vertical offset knob in the button area to move the waveform up or down. Press the knob to reset the offset to zero.

• Use the touch screen function by dragging the waveform up or down.

• Click on the channel menu at the bottom of the screen and set the offset in the pop-up menu.

For the desired channel (e.g., CH1), press the [CH1] button to open its menu:

• Channel Coupling: Click the Coupling menu option to select the coupling method.

– DC: Both DC and AC components of the signal pass through.

– AC: The DC component is blocked, only AC passes through.

– GND: The input is disconnected and connected to ground.

• Bandwidth Limit: Click the BW Limit menu to select a bandwidth limit (e.g., 20MHz, 100MHz, etc.) or turn it off. This can help reduce noise.

• Probe Ratio (Attenuation): Click on Attenuation to set the probe’s attenuation ratio to match the probe you are using (e.g., 1X, 10X). This ensures correct amplitude readings.

• Input Impedance: Click on the Impedance menu to select between 1M Ω (high impedance) and 50 Ω (for matching with 50 Ω sources).

• Waveform Invert: Click the inverting menu to turn waveform inversion on or off.

• Amplitude Unit: Click the Unit menu to change the display unit (V, A, W, U).

Press the [Acquire] button and select the Timebase Mode menu:

• YT Mode: This is the standard mode where the Y-axis represents voltage and the X-axis represents time. When the horizontal time base is 100 ms/div or slower, the oscilloscope enters scanning mode.

• XY Mode: In this mode, the display becomes an X-Y plot. The voltage of one channel is plotted on the X-axis and another on the Y-axis. This is useful for viewing the phase relationship between two signals (Lissajous patterns). Functions like “Scan Mode”, “Protocol Decoding”, and “Pass/Fail Test” do not work in XY mode.

• ROLL Mode: The waveform scrolls from right to left across the screen. This mode is used for observing low-speed signals, with an adjustment range of 50ms to 1 ks per division. Certain functions like “Delay scan” and “Trigger oscilloscope” cannot be set in ROLL mode.

Press the [Acquire] button and select the Acquisition method menu:

• Normal: The oscilloscope samples the signal at equal time intervals to reconstruct the waveform. This provides the best display for most waveforms.

• Average: The oscilloscope averages multiple sampled waveforms to reduce random noise and improve vertical resolution. You can set the number of averages (from 2 to 1024).

• Peak: The oscilloscope captures the maximum and minimum values of the signal within each sampling interval. This helps to find glitches and avoid aliasing.

• High Resolution: This mode averages adjacent points of a single sampled waveform to reduce random noise and produce a smoother display. It is used when the sampling rate is higher than the storage rate of the acquisition memory.

You can enter the trigger menu by pressing the [Trig Menu] button on the front panel or by clicking the trigger tab at the top of the screen.

1. Set Trigger Type: In the trigger menu, click on Type and select the desired trigger type (e.g., Edge, Pulse, Video, etc.).

2. Set Trigger Source: Click on Source to select which channel (CH1-CH4, EXT, Digital channels) will be used as the trigger source.

3. Set Trigger Mode: Select the trigger mode (Auto, Normal, or Single). Auto mode allows the scope to sweep even without a trigger. Normal mode only updates the display when a valid trigger event occurs.

4. Adjust Trigger Level: Rotate the Trigger knob to move the trigger level up or down on the waveform. The trigger event occurs when the waveform crosses this voltage level. Press the knob to set the level to 50% of the waveform peak.

5. Set Slope (for Edge Trigger): Click on Slope Type to choose whether to trigger on the Rising edge, Falling edge, or Either edge of the signal.

The HANTEK HRDO4084E offers a variety of trigger types, which can be selected from the [Trig Menu] -> Type menu:

• Edge: Triggers on a rising, falling, or either edge at a specified voltage level.

• Pulse: Triggers on a positive or negative pulse of a specified width.

• Video: Triggers on fields or lines of standard analog video signals (NTSC, PAL/SECAM).

• Slope: Triggers on the slew rate (positive or negative slope time) of a signal.

• Overtime: Triggers when the time interval between edges is greater than a set timeout.

• Window: Triggers when the input signal passes through a high or low trigger level.

• Runt: Triggers on pulses that cross one voltage level but fail to cross a second one.

• Overamp: Triggers when a signal passes through a high or low trigger level.

• Pattern / Logic: Triggers on a logical combination (AND, OR, etc.) of channel states (High, Low, Don’t Care).

• Delay: Triggers after a specified time difference between edges on two different sources.

• Setup/Hold: Triggers on setup time or hold time violations between a clock and data signal.

• Nth Edge: Triggers on the Nth edge of a burst after a specified idle time.

• Serial Bus Triggers: UART, LIN, CAN, SPI, I2C.

Press the [Math] button to enter the mathematical operation menu.

1. Select Operator: Click on the Operator menu and choose the desired function. Options include:

• Arithmetic: A+B, A-B, A*B, A/B

• FFT: Fast Fourier Transform to view the signal in the frequency domain.

• Logic: A&&B (AND), A||B (OR), A^B (XOR), !A (NOT)

• Function: Intg (integral), Diff (differential), Sqrt (square root), Lg (log10), Ln (natural log), Exp (exponent), Abs (absolute value).

• Digital Filtering: LowPass, HighPass, BandPass, BandStop.

2. Select Source(s): Click on Source A (and Source B if applicable) to select the input channels (CH1-CH4, Ref) for the operation.

3. Turn on Operation: Click the Operation menu tab to turn the display of the math waveform on or off.

4. Adjust Display: Use the Scale (vertical gear) and Offset (vertical position) controls in the Math menu to adjust the display of the resulting math waveform.

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

1. Add a Measurement: Click Add. A menu will appear with measurement categories.

2. Select Category: Choose a category: Horizontal (time-related), Vertical (voltage-related), or Other (delay/phase).

3. Select Measurement: Click on the desired measurement parameter from the displayed list (e.g., Freq, Period, VMax, PkPk).

4. Select Source: After selecting a parameter, choose the source channel (e.g., CH1, CH2) for the measurement.

The measurement result will appear at the bottom of the screen. You can add multiple measurements, and they will be displayed side-by-side.

To view all available measurements for a channel at once, press [Meas] -> All Measure and select the desired channel.

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

1. Select Mode: Click on the Mode menu tab and select Manual or Tracking.

2. Select Cursor Type: Click on the Select menu tab and choose X (vertical cursors for time/frequency) or Y (horizontal cursors for voltage).

3. Select Source: Click on the Source menu tab to select the channel you want to measure.

4. Adjust Cursors:

• Click on AX or AY to select cursor A. Rotate the multifunction knob (V0) to adjust its position.

• Click on BX or BY to select cursor B. Rotate the multifunction knob (V0) to adjust its position.

• Click on AXBX or AYBY to move both cursors simultaneously.

The measurement window on the screen will display the values at each cursor’s position (AX, AY, BX, BY) and the difference between them (BX-AX, BY-AY).

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

1. Select Waveform Type: Click on the Wave menu tab and select the desired basic waveform (e.g., Sine, Square, Ramp, Pulse, Noise, DC) or an arbitrary waveform.

2. Set Parameters:

• Frequency: Click the Frequency menu and set the value using the knob or numeric keypad.

• Amplitude: Click the Amplitude menu and set the peak-to-peak voltage.

• Offset: Click the Offset menu and set the DC offset voltage.

• Other parameters like Start Phase, Duty (for Square), or Symmetry (for Ramp) can be set similarly.

3. Set Impedance: Click the Impedance menu to select the output impedance (HighZ or 50 Ω).

4. Enable Output: Ensure the channel output is enabled to see the signal on the corresponding rear panel BNC connector.

You can also use advanced functions like Modulation (AM, FM, PM) or Burst output by selecting them under the Setting menu.

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

To Save:

1. Choose what to save: Save Image (screenshot), Save Wave (waveform data), or Save Setup (instrument configuration).

2. Select the storage location by clicking Disk. You can choose internal memory (Local Disk C) or a connected USB drive.

3. Configure save options: For images, select the format (*.png, *.bmp, etc.). For waveforms, select the format (*.bin, *.csv) and data source (Screen or Memory).

4. Click File Name to enter a name using the on-screen keyboard.

5. Click the Save menu tab to complete the save operation.

To Recall (Load):

1. Choose what to load: Load Wave or Load Setup.

2. Select the storage location by clicking Disk and navigating to the file’s location.

3. Select the file type to filter the displayed files.

4. Select the desired file using the multifunction knob or touch screen.

5. Click the Load menu tab to load the file.

Press the [Decode] button to enter the decoding settings menu.

1. Select Bus Type: Click on the Bus Type menu tab and select the protocol you want to decode (e.g., UART, I2C, SPI, LIN, CAN).

2. Enable Bus: Click on the Bus Status menu tab and turn it ON.

3. Configure Source(s): Click on the Source menu to assign the physical channels (CH1-CH4) to the protocol’s signal lines (e.g., for I2C, assign channels to SCL and SDA). Set the voltage threshold for each signal.

4. Set Protocol Parameters: In the Setting menu, configure parameters specific to the protocol, such as Baud rate for UART, or Signal type for CAN.

5. Configure Display: In the Display menu, set the format (Hex, Dec, Bin, ASCII) and position for the decoded data. You can also enable an Event Table for a detailed, scrollable view of the decoded packets.

The decoded data will be overlaid on the waveform on the screen.

1. The horizontal time base might be too low. Try increasing the horizontal time base to improve the display effects.

2. If the display type is set to “Vector,” the lines between the sample points may cause this effect. This is a normal representation of how the data points are connected.

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

2. Check if the channel is turned on (press the corresponding CH1-CH4 menu button).

3. Detect whether the circuit you are testing has a signal output.

4. If it is a DC signal with a large amplitude, try increasing the amplitude range (volts/div).

5. Press the [Auto Scale] button to let the oscilloscope automatically detect and display the signal.

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

1. Check if the touch screen function is enabled. If not, click the [Touch Lock] button in the button area to turn on the touch screen function.

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 so, please move it away.

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

The self-calibration program optimizes the oscilloscope signal path for maximum measurement accuracy. You should run this program if the ambient temperature changes by more than 5°C.

1. For the most accurate calibration, turn on the oscilloscope and let it preheat for 30 minutes.

2. Disconnect any probes or cables connected to the input connectors.

3. Navigate to the self-calibration menu: [Utility] -> System -> SelfCal.

4. Select Offset Start and follow the prompts on the screen to operate.

The HANTEK HRDO4084E includes the following features:

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

• 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.

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

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

• Rich serial protocol triggering and decoding functions.

• Waveform capture rate 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, event lists, histograms, Bode plots, power analysis, and frequency meters.