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

Product ID: 714349047

⚡48 MS/s sampling rate

📶10 MHz bandwidth

🔋1000mAh long battery life

Description

⚙️ Power your precision—test smarter, not harder!

SMART AUTO MODE - One-key AUTO function instantly optimizes measurement parameters—perfect for fast-paced diagnostics without the guesswork.
CRYSTAL CLEAR DISPLAY - 2.8-inch HD TFT screen with 320x240 resolution ensures every waveform is easy to analyze, even in bright environments.
DUAL POWERHOUSE DEVICE - Oscilloscope and DDS signal generator in one compact, portable tool—boost your testing efficiency on the go.
PRECISION AT YOUR FINGERTIPS - 10 MHz bandwidth and 48 MS/s sampling rate capture every signal detail with unmatched clarity.
BUILT TO LAST BUILT TO PERFORM - Robust 1000mAh lithium battery with Type-C charging keeps you powered through long workdays without interruption.

The FNIRSI DSO-510 is a cutting-edge handheld oscilloscope and DDS signal generator combo, featuring a 10 MHz bandwidth, 48 MS/s sampling rate, and a vibrant 2.8-inch HD display. Designed for professionals needing accurate, portable signal analysis, it supports up to 400 V measurements and offers 13 waveform outputs. With a long-lasting 1000mAh battery and smart auto-trigger functions, it’s the ultimate tool for automotive diagnostics, R&D, and complex signal testing.

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 (369)
Customer reviews	4.3 4.3 out of 5 stars (369)
Date First Available	9 January 2025
Date First Available	9 January 2025
Included components	FNIRSI DSO-510, Oscilloscope Probe Switchable
Item Package Quantity	1
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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