What are the steps for upgrading the firmware?

A: On a Windows 10+ PC, power off the device, hold Wheel + Power, connect via Type-C, then copy the firmware file to the “IAP” drive.

What are the troubleshooting steps for an oscilloscope that won't power on?

1. Charge with a 5V/1A adapter for 1–2 hours, then hold the power button 3–5s to rule out low battery.

My oscilloscope won't trigger on signals shorter than 1µs in single-shot trigger mode. What can I do?

1. Increase pulse width (>1µs) to improve trigger recognition and stability.

How do I export an oscilloscope's waveform image?

1.Access the oscilloscope's [System Settings] menu;

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FNIRSI DSO-510 Handheld Oscilloscope/DDS Signal Generator 2 in 1, Digital Portable Automotive Oscilloscope 2.8 inch TFT, 10MHz Bandwidth, 48MS/s Sampling Rate, Trigger Function Auto/Single By Skyking

FNIRSI DSO-510 Handheld Oscilloscope/DDS Signal Generator 2 in 1, Digital Portable Automotive Oscilloscope 2.8 inch TFT, 10MHz Bandwidth, 48MS/s Sampling Rate, Trigger Function Auto/Single By Skyking

Product ID: 714349047

⚡48 MS/s Sampling Rate

📶10 MHz Bandwidth

🔋1000mAh Long-lasting Battery

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Description

⚙️ Compact power for the modern engineer—measure, generate, and conquer signals anywhere!

DUAL POWERHOUSE DEVICE - Oscilloscope and DDS signal generator in one compact, portable tool—engineer smarter, not harder.
READY FOR THE LONG HAUL - Built-in 1000mAh lithium battery with Type-C charging keeps you powered through extended fieldwork.
VISUAL CLARITY ON THE GO - 2.8-inch HD TFT display with 320x240 resolution ensures every waveform detail is easy to analyze anywhere.
EFFORTLESS SIGNAL MASTERY - One-key AUTO function and advanced trigger modes optimize measurements instantly—no guesswork needed.
PRECISION AT YOUR FINGERTIPS - 10 MHz bandwidth and 48 MS/s sampling rate deliver crystal-clear signal capture for professional-grade diagnostics.

The FNIRSI DSO-510 is a versatile handheld oscilloscope and DDS signal generator combo featuring a 10 MHz bandwidth, 48 MS/s sampling rate, and a sharp 2.8-inch HD display. Designed for professionals and hobbyists alike, it supports accurate waveform capture, multiple trigger modes, and outputs 13 waveform types up to 50 KHz. Its robust 1000mAh battery with Type-C charging ensures reliable, portable performance for automotive, research, and field diagnostics.

Specifications

ASIN	B0DJX6W58S
ASIN	B0DJX6W58S
Batteries	1 Lithium Polymer batteries required. (included)
Batteries	1 Lithium Polymer batteries required. (included)
Batteries Included?	Yes
Batteries Required?	Yes
Customer Reviews	4.3 4.3 out of 5 stars (222)
Customer reviews	4.3 4.3 out of 5 stars (222)
Date First Available	9 January 2025
Date First Available	9 January 2025
Included components	FNIRSI DSO-510, Oscilloscope Probe Switchable
Item Weight	400 g
Item model number	DSO-510
Item model number	DSO-510
Manufacturer	FNIRSI
Manufacturer	FNIRSI
Measurement Accuracy	0.1
Part number	DSO-510
Product Dimensions	9.65 x 6.81 x 1.91 cm; 400 g
Product Dimensions	9.65 x 6.81 x 1.91 cm; 400 g

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FNIRSI DSO-510 Handheld Oscilloscope/DDS Signal Generator 2 in 1, Digital Portable Automotive Oscilloscope 2.8 inch TFT, 10MHz Bandwidth, 48MS/s Sampling Rate, Trigger Function Auto/Single By Skyking

Description

Specifications

Reviews

Common Questions