FNIRSI DS215H 2-in-1 Dual-Channel Portable Oscilloscope User Manual

1. Product Overview

The FNIRSI-DS215H is a comprehensive and practical two-in-one dual-channel digital oscilloscope launched by FNIRSI, designed for the maintenance and R&D industries. It integrates an oscilloscope and a signal generator, adopting FPGA+MCU+ADC hardware architecture.

Figure 1: FNIRSI DS215H 2-in-1 Mini Oscilloscope

Key Features:

• High-precision measurement: The FNIRSI-DS215H offers high precision with a sampling rate of up to 250MS/s and a 50MHz analog bandwidth, ensuring accurate measurements for various applications.
• Wide voltage protection: Supports peak voltage measurements up to ±400V, offering reliable and safe performance in high-voltage scenarios.
• Waveform storage: The device supports screenshot saving and viewing, making data analysis more convenient and efficient.
• Signal generator functionality: It features 13 waveform outputs with a frequency range of 0-50 KHz, adjustable by a 1Hz step. The output parameters, including frequency, amplitude, and duty cycle, are fully adjustable to meet various needs.
• Portable design: The device is equipped with a 3.5-inch display (480×320 resolution) for clear and intuitive visuals. Its compact and lightweight design makes it ideal for mobile use.
• Long battery life: Powered by a 1500mAh rechargeable lithium battery, it supports up to 4 hours of continuous operation, ensuring long-lasting performance for on-the-go use.
• Ideal for professionals: The FNIRSI-DS215H is designed to provide powerful and flexible features, offering users a portable and efficient tool for maintenance, R&D, and testing tasks.

Figure 2: Dual Channel DS215H Overview

Figure 3: Independent Dual Channel Hardware Architecture

Figure 4: Multiple Interface Display Options

Figure 5: Dynamic Display of 13 Signal Waveforms

2. Safety Requirements

2.1 Environmental Requirements

Precautions

• Avoid high temperatures, open flames, corrosive gases, humid or dusty environments to prevent equipment failure.
• Always place the device on a stable and solid surface. Do not place the device on soft surfaces such as carpets and blankets.
• Ensure the air intake is not blocked to avoid affecting the measurement values.

Keep away from the following items

• Heating devices: To avoid overheating or fire risks.
• Water sources, chemicals, solvents: Leaks may damage the equipment or cause fires.
• Strong magnetic devices: To prevent magnetic fields from interfering with the normal operation of the device.

Waste Disposal

Do not dispose of used batteries or equipment with household waste; handle it according to national or local regulations.

2.2 Equipment Safety Label

Figure 6: Equipment Safety Labels

3. Setup and Quick Start Guide

3.1 Unboxing and Initial Setup

Upon opening the package, you will find the FNIRSI DS215H device and its accessories. Please check the contents against the packing list.

Figure 7: FNIRSI DS215H Device

Figure 8: FNIRSI DS215H with Included Accessories

Packing List:

Standard Package (NO.1):

• Host device *1
• P6100 high voltage probe *1
• Adapter *1
• Alligator clip probe *1
• Charging cable *1
• User manual *1
• Packaging color box *1

Optional Package (NO.2):

• Host device *1
• P6100 high voltage probe *2
• Adapter *2
• Alligator clip probe *1
• Charging cable *1
• User manual *1
• Packaging color box *1

Figure 9: Package Contents Diagram

3.2 Quick Measurement

1. Connect the probe and check the connection: ensure the ground wire is common ground and the signal probe is connected to the signal source.
2. Click the auto-set button: press the ⇆/C2 button.
3. Enter the measurement function: click button five, select button one, and open the relevant measurement parameters.
4. Analyze and record data, including Frequency (Freq), Peak-to-Peak Voltage (Vpp), Overshoot, etc.

3.3 Measuring Periodic Signals

1. Connect the probe and check the connection: ensure the ground wire is common ground and the signal probe is connected to the signal source.
2. Click the auto-set button: press the ⇆/C2 button.
3. Adjust the time base until the waveform display is stable (optional).
4. Adjust the vertical sensitivity until the display is complete (optional).
5. Perform trigger-related adjustments: set trigger mode, edge, position, and level.
6. Turn on the measurement function (consistent with automatic measurement).
7. Analyze and record data (consistent with automatic measurement).

3.4 Measuring Non-Periodic Signals

1. Connect the probe and check the connection.
2. Perform trigger related adjustments: select single/normal, or other options.
3. Turn on the measurement function.
4. Analyze data and record data.

3.5 Power On and Language Setting

Long press the OK button to power on. Slide roller A to select the desired language. Press OK to confirm your selection and enter the oscilloscope interface.

4. Operating Instructions

4.1 Product Operation Diagram

Figure 10: Product Operation Diagram

4.2 Oscilloscope Page Diagram

Figure 11: Oscilloscope Page Diagram

1. Run/Pause Indicator: Press the Run/Pause button to switch; green for running, red for pause.
2. Time Base: A large horizontal grid represents the length of time, which is determined by the sampling rate.
3. Mode Switch: Press the mode switch button to switch the control time base, channel vertical sensitivity, horizontal trigger movement, channel waveform up and down movement, trigger level up and down movement, and cursor control of cursor opening.
4. Fine/Coarse Adjustment: Press the switch button to switch fine/coarse adjustment.
5. Function Signal Generator Indicator: Highlight means the function signal generator is turned on, and gray means it is not turned on.
6. Battery Indicator: Indicates the system battery.
7. Channel 1 Waveform: The waveform signal collected by channel 1.
8. Trigger X position indicator arrow: Indicates that this is the trigger point.
9. Channel 2 waveform: The waveform signal collected by channel 2.
10. Trigger voltage indicator icon: The trigger threshold.
11. Channel 1 settings: Long press the mode switch button to set the channel on/off, probe ratio, coupling type, and FFT.
12. Channel 2 settings: Long press the automatic measurement button to set the channel on/off, probe ratio, coupling type, and FFT.
13. Trigger settings: Long press the run/pause button to set the trigger mode, trigger edge, and trigger channel.
14. Parameter measurement: Displayed according to the measurement item selected in the settings.

4.3 Signal Generator Page Diagram

Figure 12: Signal Generator Page Diagram

1. On/Off: Short press the Run/Pause button to turn on/off the signal output.
2. Signal Type Selection: There are 13 waveforms: sine wave, rectangular wave, sawtooth wave, half wave, full wave, positive step wave, reverse step wave, exponential rise, exponential fall, DC signal, multi-tone, Sinker pulse, Lorentz wave.
3. Frequency: Set the specific parameters by inputting buttons and knobs, with a maximum value of 50,000Hz.
4. Duty Cycle: Set the specific parameters by inputting buttons and knobs, with a maximum value of 100%.
5. Amplitude: Set the specific parameters by inputting buttons and knobs, with a maximum value of 3.0V.

4.4 Button and Scroll Wheel Functions

4.5 Adjust Oscilloscope Parameters

• Time base and vertical sensitivity adjustment: Slide roller B to adjust the time base, slide roller A to adjust the vertical sensitivity of CH1.
• CH2 Vertical Sensitivity Adjustment: Press button ⇆/C1, V turns yellow, slide roller B to adjust the vertical sensitivity of CH2.
• Trigger and level cursor adjustment:
  1. Press button ⇆/C1 again, slide roller B to adjust the vertical trigger cursor, slide roller A to adjust the level cursor of channel one.
  2. Press button ⇆/C1 again, slide roller B to adjust the vertical trigger cursor, slide roller A to adjust the level cursor of channel two.
  3. Press button ⇆/C1 again, slide roller B to adjust the vertical trigger cursor, slide roller A to adjust the horizontal trigger level.

4.6 Scroll Wheel Sensitivity Adjustment

During the adjustment process, click the OK button to switch the roller sensitivity for coarse and fine adjustment.

4.7 Long Press Function Operation

• Long press the button ⇆/C1 to modify the parameters related to CH1.
• Long press the button Ⓐ/C2 to modify the parameters related to CH2.
• Long press the button ▶▶/T to modify the trigger related parameters.

4.8 Menu and Signal Generator Operation

• Click the button M/⌂ to call up the menu page, select through the roller, and press OK to set the parameters.
• Long press the button M/⌂ to switch to the signal generator page.

4.9 Submenu Adjustment

• Slide the roller A to switch the upper menu, slide the roller B to switch the submenu.
• Click the OK button to enter the submenu and modify the waveform parameters (Freq, Duty cycle, Amp).

4.10 Settings Page and Related Operations

The settings interface allows for various configurations:

• 50% Auto-adjustment: Automatically adjust the bias voltage, trigger voltage, etc. to the appropriate position.
• Measurement: Select the measurement parameter value to be displayed.
• Save: Click Save to save the oscilloscope's measurement page in the Screenshot file folder in the machine's USB flash drive as a BMP format image. The image name will be displayed when saving.
• Cursor: You can choose X1-X2, Y1-Y2 display.
• Calculation: You can choose 1+2, 1-2, 1*2, 1/2, -1, -2, |1|, |2| display.
• Afterglow: You can choose 500mS, 1S, infinite display.
• Calibration: Click Calibration, and enter calibration after confirming that all probes are unplugged and USB is not connected.
• Picture Viewing Interface: Enter this interface to view saved images. Use ⇆/C1 (short press) to enter selection for deleting pictures, ▶▶/T (short press) to select all for deletion, Ⓐ/C2 (short press) to delete, M/⌂ (short press) to return. OK/⑁ opens/confirms picture. Scroll Wheel A/B for navigation.
• Settings Interface:
  • Language settings: There are 8 languages to switch between: Chinese, English, German, Portuguese, Japanese, Spanish, Korean, Russian.
  • Sound and light settings: Turn knob A to select brightness/volume, short press the switch button to confirm the selection, and turn knob B to adjust.
  • Auto shutdown: You can set auto shutdown to OFF, 15min, 30min, 1hour.
  • About: Display brand information and current version number.
  • Restore factory settings: Restoring factory settings will reset all previous settings.
  • USB sharing: After turning it on, you will enter the USB sharing interface. Connecting to a computer will pop up a USB flash drive named "IAP". Screenshots can be retrieved from the [Screenshot file] folder. Custom startup LOGO can be placed in the [LOGO] folder as "LOGODS215H.jpg".

5. Specifications

5.1 Model Parameters

5.2 Oscilloscope Parameters

5.3 Signal Generator Parameters

6. Firmware Upgrade

To upgrade the firmware:

1. With the power off, press the M/⌂ button first, then press the power button.
2. Use a Type-C cable to connect the Type-C port on the board to the computer. At this time, the computer will pop up a USB flash drive named "IAP".
3. Pull the firmware into the USB flash drive. If the firmware upgrade is completed, the shutdown charging interface will be displayed.

Note: Firmware upgrade is only supported on computers with Windows 10 or newer version.

7. Maintenance and Care

7.1 Cleaning the Outside of the Device

• Frequency: Clean once a month, depending on the usage environment.
• Method: Use a soft cloth to gently wipe the surface of the device. Avoid using chemical cleaners, especially those containing alcohol or strong acids or alkalis, to avoid damaging the casing or screen.

7.2 Check the Battery and Power

• Battery maintenance: For instruments with built-in batteries, check the health of the battery regularly. Avoid complete battery discharge. It is recommended to charge regularly and avoid not using the device for a long time.
• Charging specifications: Use the official charger to charge, avoid overcharging or over-discharging, and ensure that the battery is in the appropriate operating voltage range.
• Battery replacement: If the battery shows excessive attenuation (such as failure to charge normally or extremely fast discharge), it should be replaced in time.

7.3 Storage and Carrying

• Storage environment: The device should be stored in a dry and ventilated environment, avoiding high temperature, high humidity or drastic temperature changes. Avoid placing it in direct sunlight.
• Carrying: Be careful to avoid falling when using, especially when carrying. It is recommended to use a protective case or a special bag for carrying.

7.4 Software Update

• Regularly check whether the device has new firmware to update. The latest firmware can fix known bugs and improve device performance.
• When updating, make sure the operation steps are correct, use the officially released firmware files, and avoid power outages or other interference.

8. Troubleshooting

8.1 Unable to Boot

Possible causes:

• Battery exhausted.
• Loose or damaged battery connection.

Solution:

• Check battery charge and charge if low.
• If battery fails to charge or device still does not power on, try reinstalling or replacing the battery.

8.2 Screen Does Not Display

Possible causes:

• Screen backlight off.
• Display hardware malfunction.
• System software abnormality.

Solution:

• Check and adjust the backlight brightness settings according to the manual.
• Try restarting the device to ensure the system returns to normal.
• If the screen still does not display properly, the display may need to be repaired or replaced.

8.3 Oscilloscope Cannot Capture Signals

Possible reasons:

• The oscilloscope input channel is not connected correctly.
• The input signal amplitude is too small or too large, exceeding the oscilloscope range.
• The trigger setting is incorrect.

Solution:

• Check whether the probe is correctly connected to the oscilloscope input channel.
• Adjust the vertical sensitivity and time base settings to ensure that the signal can be captured.
• Check whether the trigger mode is set correctly, such as selecting "rising edge" or "falling edge" trigger.
• Confirm whether the connection between the probe and the signal source is stable and the wiring is intact.

8.4 Signal Generator Cannot Output Signals

Possible reasons:

• The signal generator is not enabled.
• The signal generator hardware is faulty.
• The output frequency or amplitude setting is incorrect.
• The output clip interface is in the wrong hole position.

Solution:

• Check whether the signal generator is turned on and make sure the settings are correct (such as frequency, amplitude, duty cycle).
• If the settings are correct and the signal cannot be output, try restarting the device.
• If the fault persists, the signal generator may need to be repaired or replaced.
• Check whether the interface hole is inserted correctly.

9. User Tips

• Language Selection: The device supports 8 languages. If you need to change the language, navigate to the settings menu and select your preferred language from the available options (Chinese, English, German, Portuguese, Japanese, Spanish, Korean, Russian).

10. Warranty and Support

10.1 Warranty Information

This page serves as the basic warranty card. Please keep it properly. The warranty period for this product starts from the date of sale. During the warranty period, if the product is installed and used in accordance with the product manual and used under normal environmental conditions, and the fault is caused by defects in the original materials and processing, you can enjoy free repair services according to the content of this warranty clause. Please keep this warranty card properly as a warranty certificate. No reissue will be issued if it is lost.

The following situations will incur paid repair services:

1. Unable to present the original valid warranty card.
2. Damage caused by improper installation not meeting product requirements, standards, or relevant specifications.
3. Damage caused by accessories in the installation environment not meeting product requirements, standards, or relevant specifications.
4. Damage caused by improper use, improper storage, unauthorized disassembly, or unauthorized repairs by the user.
5. Expiration of the warranty period.

10.2 Contact Information

Any FNIRSI users who contact us with questions will receive our promise of a satisfactory solution, plus an extra 6-month warranty as a token of our appreciation for your support! We have also created an exciting community, and we welcome you to contact FNIRSI staff to join.

SHENZHEN FNIRSI TECHNOLOGY CO.,LTD

• Address: West of Building C, Weida Industrial Park, Dalang Street, Longhua District, Shenzhen, Guangdong, China
• Tel: 0755-28020752
• Web: www.fnirsi.com
• E-mail (Business): business@fnirsi.com
• E-mail (Equipment Service): service@fnirsi.com

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