Manuals+

FNIRSI-1014D Product Instructions

Two-in-One Digital Oscilloscope and Signal Generator

Product Introduction

The FNIRSI-1014D is a versatile two-in-one digital oscilloscope and signal generator developed by FNIRSI, offering comprehensive functions and high practicality. It is a cost-effective dual-channel desktop oscilloscope suitable for maintenance and R&D industries.

Key features include:

  • Real-time Sampling Rate: 1GSa/s
  • Analog Bandwidth: 100MHz × 2 channels
  • Trigger Functions: Complete trigger functions (single time / normal / automatic) suitable for both periodic analog and aperiodic digital signals.
  • Built-in DDS Function Signal Generator: Supports 14 kinds of standard function signals and a customizable chopping signal. The chopping output intercepts part or the whole of complex signals measured by the oscilloscope as the output signal for the signal generator. It can store up to 1000 customized cut-off signals.
  • High-Voltage Protection: Built-in module tolerates up to 400V continuous voltage, preventing damage if the probe is not set to 10x gear.
  • Large Time Base Scrolling Mode: Monitors slow level changes.
  • Efficient One-Button Auto-Adjustment: Self-adaptive 25%, 50%, 75% trigger, displaying measured waveforms without complicated adjustments.
  • Display: 7-inch 800 × 480 resolution high-definition LCD screen.
  • Cursor Measurement Function: Manually reads amplitude and frequency parameters without needing to read background scale units or perform conversions, directly providing peak and frequency values.
  • Screen Capture & Waveform Storage: Extremely convenient function with 1GB built-in storage, capable of storing up to 1000 screen capture pictures and 1000 groups of waveform data. The storage process is simple and fast.
  • Powerful Waveform Image Manager: Supports thumbnail browsing, viewing details, page turning, deleting, and waveform enlarging, reducing, and moving for secondary analysis.
  • USB Interface: Connects to a computer for sharing screen capture pictures and secondary analysis.
  • Lissajous Graphic Display: Compares and judges amplitude, frequency, and phase of two signal groups.
  • FFT Viewing Function: Roughly estimates the harmonic components of a signal.

Serious Warning!

  1. When both channels are used simultaneously, the ground clamps of the two probes must be connected together. It is strictly forbidden to connect the ground clamps of the two probes to different potentials, especially to different potential terminals of high-power equipment or 220V. Otherwise, the oscilloscope motherboard will be burned. This is because the two channels are grounded together, and connecting to different potentials will short-circuit the internal ground wires of the motherboard, which applies to all oscilloscopes.
  2. The BNC input of the oscilloscope can withstand a maximum of 400V. It is strictly forbidden to input more than 400V in the 1x probe position.
  3. The original power supply must be used. It is strictly forbidden to use the power supply or USB of other devices under test. Otherwise, the motherboard ground wire may be short-circuited during the test.
  4. A 100x probe (for ultrasonic welding machines, ultrasonic cleaning machines, etc.) or even a 1000x probe (for high-voltage ends of high-frequency transformers, induction cooker coils, etc.) must be used to measure high-frequency and high-voltage signals.

Solemnly Remind

The bandwidth of a 1x probe is 5MHz, and the bandwidth of a 10x probe is 100MHz. When the measurement frequency is higher than 5MHz, the switch on the probe handle needs to be moved to 10x, and the oscilloscope also needs to be set to 10x. Otherwise, the signal will be greatly attenuated, which is typical for all oscilloscopes. The oscilloscope's probe line has a capacitance of 100 ~ 300pF, which is significant for high-frequency signals. When the signal reaches the oscilloscope's input through the probe, it is greatly attenuated, and the equivalent bandwidth is 5MHz. To match the hundreds of pF of the probe line, the input end of the probe line will attenuate the signal 10 times (when the switch is in the 10x gear), allowing the hundreds of pF capacitor to be used for impedance matching. At this point, the bandwidth is 100MHz. Note that only probes with 100MHz bandwidth or above can be used.

Interface Function Indicator Diagram

This section describes the various indicators and controls visible on the oscilloscope's display screen, typically showing a waveform with overlaid information and measurement parameters.

  1. Run/Pause Indicator: Shows if the oscilloscope is actively sampling or paused.
  2. Trigger X Position Indication Arrow: Points to the trigger X point on the waveform.
  3. Background Grid Tick Marks: Visual grid lines for waveform measurement.
  4. Waveform Data of Channel 1: The displayed signal from channel 1.
  5. Baseline Position of Channel 1 (0V Potential): An arrow indicating the 0V reference level for channel 1.
  6. Waveform Data of Channel 2: The displayed signal from channel 2.
  7. Baseline Position of Channel 2 (0V Potential): An arrow indicating the 0V reference level for channel 2.
  8. Horizontal Time Base Control Bar Flag: Indicates the current horizontal time base setting.
  9. Trigger X Arrow Position Relative to System Coordinate System: Shows the horizontal position of the trigger point.
  10. Horizontal Time Base: Refers to the length of time represented by a large grid in the horizontal direction, determined by the sampling rate. A larger time base means a slower sampling rate, and vice versa.
  11. Trigger Status Flag: Indicates the current trigger status (e.g., Auto, Normal, Single).
  12. Column 6 Measurement Parameters: Press F6 to select measurement parameters freely.
  13. Column 5 Measurement Parameters: Press F5 to select measurement parameters freely.
  14. Column 4 Measurement Parameters: Press F4 to select measurement parameters freely.
  15. Column 3 Measurement Parameters: Press F3 to select measurement parameters freely.
  16. Column 2 Measurement Parameters: Press F2 to select measurement parameters freely.
  17. Column 1 Measurement Parameters: Press F1 to select measurement parameters freely.
  18. Channel 2 Control Bar Sign: Indicates the control bar for channel 2.
  19. Input Coupling Mode of Channel 1: Two options: DC (DC coupling) and AC (AC coupling).
  20. Channel 1 Probe Magnification: Displays the current probe magnification setting for channel 1.
  21. Channel 1 Control Bar Sign: Indicates the control bar for channel 1.
  22. Vertical Sensitivity of Channel 1: Refers to the voltage represented by a large grid in the vertical direction.
  23. Channel 1 Baseline Arrow Position Relative to System Coordinate System: Shows the vertical position of the channel 1 baseline.
  24. Movement Speed of Waveform Operation: Indicates whether fast movement (coarse adjustment) or slow movement (fine adjustment) is selected for waveform manipulation.
  25. Trigger Voltage Arrow Position Relative to System Coordinate System: Shows the vertical position of the trigger voltage level.
  26. Trigger Edge Indicator: An arrow pointing up indicates rising edge trigger; an arrow pointing down indicates falling edge trigger.
  27. Trigger Mode Indicator: Displays the current trigger mode: Auto (automatic trigger), Single (single trigger), or Normal (normal trigger).
  28. Trigger Control Bar Flag: Indicates the trigger control bar.
  29. Trigger Channel: Shows the selected trigger channel, either CH1 or CH2.

Button Function Indication Diagram

This section describes the physical buttons and knobs on the oscilloscope's front panel, typically arranged around the display screen and input ports.

  1. Run/Pause Button: Pauses or resumes sampling.
  2. One-Key Automatic Adjustment Button: Automatically identifies the signal and sets optimal display parameters.
  3. Function Menu Button: Opens the function menu.
  4. One-Click Screen Capture Button: Takes a screenshot of the entire screen and saves it to internal storage.
  5. One-Button Save Waveform Button: Saves all waveform data from both channels to internal storage.
  6. Time Cursor Switch Button: Toggles the time cursor measurement function on/off.
  7. Voltage Cursor Switch Key: Toggles the voltage cursor measurement function on/off.
  8. System [Right] Navigation Key: Used for navigation.
  9. System Navigation Key (Up): Used for navigation.
  10. System [OK] Navigation Key: Confirms selections.
  11. System Navigation Key (Down): Used for navigation.
  12. System [Left] Navigation Key: Used for navigation.
  13. Move Speed Button: Switches between fast and slow movement for waveform adjustments.
  14. Channel 1 Vertical Position Adjustment Knob: Rotates clockwise to move up, counterclockwise to move down.
  15. Channel 1 Switch Button: Turns the waveform display for channel 1 on or off.
  16. Channel 1 Control Bar Button: Pops up control parameters for channel 1, selectable via navigation keys or adjacent knob.
  17. Channel 1 Vertical Sensitivity Adjustment Knob: Rotates clockwise for vertical amplification, counterclockwise for vertical reduction.
  18. Channel 1 Signal Input Port: Measurement range 0 ~ 40V peak-to-peak, maximum tolerance 400V peak-to-peak withstand voltage.
  19. Channel 2 Vertical Position Adjustment Knob: Rotates clockwise to move up, counterclockwise to move down.
  20. Channel 2 Switch Button: Turns the waveform display for channel 2 on or off.
  21. Channel 2 Control Bar Button: Pops up control parameters for channel 2, selectable via navigation keys or adjacent knob.
  22. Channel 2 Vertical Sensitivity Adjustment Knob: Rotates clockwise for vertical amplification, counterclockwise for vertical reduction.
  23. Channel 2 Signal Input Port: Measurement range 0 ~ 40V peak-to-peak, maximum tolerance 400V peak-to-peak withstand voltage.
  24. System Trigger X Position Adjustment Knob: Rotates clockwise to move right, counterclockwise to move left.
  25. One-Key Return to Center Button: Resets Channel 1, Channel 2 vertical position, trigger X horizontal position, and trigger Y vertical position to center.
  26. Time Base Adjustment Knob: Rotates clockwise to reduce time base (enlarge waveform horizontally), counterclockwise to increase time base (reduce waveform horizontally).
  27. DDS Signal Generator Output: The output port for the Digital Direct Synthesis signal generator.
  28. Trigger Voltage Y Position Adjustment Knob: Rotates clockwise to move up, counterclockwise to move down.
  29. Trigger Mode Switch Button: Switches between Auto, Single, and Normal trigger modes.
  30. Trigger Edge Switch Button: Switches between rising edge and falling edge trigger.
  31. Trigger Channel Switch Button: Switches between Channel 1 and Channel 2 for triggering.
  32. 50% Trigger Button: Automatically sets the current trigger voltage to 25%, 50%, or 75% based on signal characteristics.
  33. First Column Measurement Parameter Selection Button (F1): Pops up the measurement block diagram for selecting parameters.
  34. Second Column Measurement Parameter Selection Button (F2): Pops up the measurement block diagram for selecting parameters.
  35. Third Column Measurement Parameter Selection Button (F3): Pops up the measurement block diagram for selecting parameters.
  36. Fourth Column Measurement Parameter Selection Button (F4): Pops up the measurement block diagram for selecting parameters.
  37. Fifth Column Measurement Parameter Selection Button (F5): Pops up the measurement block diagram for selecting parameters.
  38. Sixth Column Measurement Parameter Selection Button (F6): Pops up the measurement block diagram for selecting parameters.
  39. Signal Generator Control Bar Button: Pops up the signal generator parameter control bar.
  40. Next Page Control Button (Picture/Waveform/Chopping Manager): Navigates to the next page in the manager.
  41. Previous Page Control Button (Picture/Waveform/Chopping Manager): Navigates to the previous page in the manager.
  42. [Delete] Control Button (Picture/Waveform/Chopping Manager): Deletes selected items.
  43. Select All Control Button (Picture/Waveform/Chopping Manager): Selects all items.
  44. [Return] Control Button (Picture/Waveform/Chopping Manager): Returns to the previous screen.
  45. USB Port for Sharing Screenshots: The physical USB port for data transfer.
  46. Power Switch: Turns the device on or off.

Operating Instructions (Oscilloscope Part)

Open or Close Channel 1 / Channel 2

Click [ch1] / [CH2] to open or close the respective channel. To turn FFT on or off, click the [conf] button under ch1 or CH2 to pop up the parameter control bar, then toggle FFT on/off using the navigation key.

Setting Input Coupling Mode

Click [conf] under ch1 or CH2 to open the parameter control bar for Channel 1 / Channel 2, then switch between DC / AC coupling using the navigation key.

Set the Probe Input Ratio

Click [conf] under ch1 or CH2 to open the parameter control bar for Channel 1 / Channel 2, then switch to 1x / 10x / 100x using the navigation key.

Scaling Waveform

Rotate the large knob at the bottom left corner of the vertical frame to scale Channel 1 waveform vertically. Rotate the large knob at the bottom right corner to scale Channel 2 waveform vertically. Rotate the large knob at the bottom of the horizontal frame to scale Channel 1 and Channel 2 waveforms horizontally. Clockwise rotation enlarges, counterclockwise reduces.

Moving Waveform

Rotate the small knob in the upper left corner of the vertical frame to move Channel 1 waveform vertically (clockwise upward, counterclockwise downward). Rotate the small knob in the upper right corner to move Channel 2 waveform vertically (clockwise upward, counterclockwise downward). Rotate the small knob in the upper horizontal frame to move Channel 1 and Channel 2 waveforms horizontally (clockwise to the right, anticlockwise to the left). During this process, click the [slow] button to select coarse or fine adjustment.

Adjust Trigger Voltage

Rotate the small knob under the trigger frame to adjust the trigger voltage. Click the [slow] button for coarse or fine adjustment. Ensure the [automatic 50%] trigger in the menu is turned off, otherwise the trigger voltage cannot be adjusted.

Set Trigger Edge

Click 'edge' to switch between rising edge / falling edge trigger.

Set Auto Trigger

Click 'mode' to switch between auto / single / normal. 'Auto' is automatic trigger.

Set Single Trigger

Click 'mode' to switch between auto / single / normal. 'Single' is single trigger.

Set Normal Trigger

Click 'mode' to switch between auto / single / normal. 'Normal' is normal trigger.

Pause Display

Click the red [run / stop] button in the upper right corner to pause or run the display.

Automatic Waveform Adjustment

Click the blue [auto] button in the upper right corner to adjust the waveform automatically.

Set the Slow Scan Scrolling Mode

Rotate the big knob under the horizontal frame counterclockwise. When the time base reaches 100ms, the system enters slow scan scrolling mode. The range of 100ms ~ 50s belongs to the time base of the scrolling mode.

Time Cursor Measurement

Click the [H cur] button to turn on the time cursor. Select the left and right light markings using the left and right navigation keys. Adjust them with the small knob in the upper left corner of the navigation key (clockwise moves markings right, counterclockwise moves left).

Voltage Cursor Measurement

Click the [v cur] button to turn on the voltage cursor. Select the up and down light marking lines using the up and down navigation keys. Adjust them with the small knob in the upper left corner of the navigation key (clockwise moves lines upward, counterclockwise moves downward).

Set the Parameters to be Displayed

Click F1 ~ F6 to open the parameter measurement control bar. Select the required parameters using the navigation key or the nearby knob.

Full Screen Capture

Click the [s pic] button to capture the current display. The captured image is saved to the local disk in BMP format.

Save Current Waveform Data

Click the [s wav] button to save all waveform data of the opened channel to the local disk.

Adjust the Screen Brightness

Click the [menu] button, navigate to [screen brightness], press OK, and adjust brightness using the small knob in the upper left corner. 100 is brightest, 0 is darkest.

Adjust the Background Grid Brightness

Click the [menu] key, navigate to [grid brightness], press OK, and adjust grid brightness using the small knob in the upper left corner. 100 is brightest, and 0 turns off the grid display.

Setting Automatic 50% Trigger All the Time

Click the [menu] key, navigate to [automatic 50%], press OK, and select [on] via the navigation key. In automatic trigger mode, the measurement system will automatically set the trigger voltage to 25% / 50% / 75% of the peak-to-peak value based on waveform characteristics.

Horizontal Baseline Offset Calibration

If the probe has been pulled out and the left yellow/cyan indicator arrow and the yellow/cyan horizontal baseline of either channel are not in the same position, calibration is required. First, pull out the probe, then click the [menu] key, navigate to [baseline calibration], and press OK to calibrate the baseline.

View the Saved Screen Capture

Click [menu], navigate to [picture browse], and press OK to enter the picture thumbnail preview interface. Select a thumbnail via the navigation key, then click [OK] to view the screen capture in full screen. Control buttons (RET, SEL All, DEL, last, next) are available at the bottom.

View the Saved Waveform Data

Click [menu] key, navigate to [waveform browse], and press OK to enter the waveform thumbnail preview interface. Select a thumbnail via the navigation key, then click [OK] to view the waveform in full screen. Control buttons (RET, SEL All, DEL, last, next) are available at the bottom.

Delete the Saved Waveform

Click the [menu] key, navigate to [waveform browse], and press OK to enter the waveform thumbnail preview interface. Select a thumbnail via the navigation key, then click the [del] key at the bottom to delete the waveform, or click the key to delete it in full screen view.

Connect the Computer to View Screen Capture Pictures

Click the [menu] button, navigate to [USB share] via the navigation key, and press OK to open USB share. Connect the computer with the attached USB cable. The computer will recognize a removable disk or U-disk where screen capture pictures are saved. Note: Do not directly rename or repair files on the disk, as this may prevent the oscilloscope picture manager from displaying them.

Operation Instruction (Signal Generator Part)

Switch the Waveform Type

Click the [Gen] button to open the signal generator control interface in the lower right corner. Click [OK] to switch the green selection box to [waveform type] position. Use [up] or [down] navigation keys or the knob in the upper left corner to switch the waveform type.

Adjust the Waveform Frequency

Click the [Gen] button to open the signal generator control interface. Click [OK] to switch the green selection box to [frequency] position. Use [left] or [right] navigation keys to set the position cursor for adjustment. After confirming, use [up] or [down] navigation keys or the knob in the upper left corner to increase or decrease the current bit's value, thereby changing the frequency.

Adjust the Duty Cycle of Square Wave

Duty cycle setting is only effective for square waves. Click the [Gen] button to open the signal generator control interface. Click [OK] to switch the green selection box to [duty cycle] position. Rotate the navigation key in the upper left corner to increase or decrease the duty cycle from 1% to 99%.

Capture Waveform

Capture waveform output allows capturing part or the whole of the currently displayed waveform as the output of the signal generator. The captured signal can be saved to the system, with up to 1000 groups of captured signals savable.

To capture: First, click the [menu] button. The function interface will appear on the left side of the screen. Navigate to the [capture output] position and open it. Two purple boundary lines will appear on the screen, defining the waveform segment to be captured. The word

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