Is this powered by usb wall adapter? thus could be operated with usb battery pack?

I tried using a cheapo power brick (batteries) claiming 5V 2A output. When i turned on the 1014D with no probes attached, it displayed a substantial square-like signal. I immediately turned it off, and did not test further, not wanting to risk damage to the scope from improper power. When using the (correct) wall adapter that came with the product connected to AC, at power on I would see two horizontal lines indicating zero signal, which is correct. The square-like traces suggest that my battery pack is not well enough filtered (maybe there is some pulse-based voltage conversion inside the pack). Perhaps a better quality battery pack would work, maybe someone out there could comment on that. I should add that the 1014D running on its included adapter works great, happy with my purchase.

what is the Operating voltage is it 220/60Hz or not supported

The scope uses a 5 volt wall transformer like the ones for cell phones. so you could just get a 220 volt to 5 volt wall unit.. hope this helps. ps. I'm very happy with this scope. Larry

For the signal gnerator, what is the maximum allowable output current and/or power?

Output voltage is +/- 1.5 V. When shorting out, the voltage drops to ~ +/- 0.5 V

How to calibrate the built-in signal generator?

add another external signal generator to compare signals and watch out for your probe settings X1 x10. you can adjust the probes via set screw. also compare probes (probes could be the fault signal). also you don't want to void the warranty by removing the scope cover.

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FNIRSI 1014D Oscilloscope 2 in 1 Digital Oscilloscope DDS Signal Generator, 100X High Voltage Probe, 2 Channels 100Mhz Bandwidth 1GSa/s Sampling Rate Built-in 1GB Storage Space

Product ID: 334469543

⚡100MHz bandwidth x2 channels

💾1GB built-in storage

📊1GSa/s real-time sampling rate

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Description

⚡ Elevate your DIY game with pro-grade signals at your fingertips!

COMPACT YET POWERFUL - 7-inch 800x480 LCD screen and 1GB storage fit professional diagnostics into any workspace.
PRECISION CURSOR MEASUREMENTS - Get peak-to-peak and frequency values instantly—no manual conversions needed.
INSTANT AUTO TRIGGER DISPLAY - One-button AUTO trigger with adaptive sensitivity for hassle-free waveform visualization.
PRO LEVEL BANDWIDTH SAMPLING - Dual 100MHz channels with lightning-fast 1GSa/s sampling for crystal-clear signal capture.
VERSATILE 2 IN 1 FUNCTIONALITY - Oscilloscope plus DDS signal generator with 14 waveform types and customizable signals.

The FNIRSI 1014D is a compact 2-in-1 digital oscilloscope and DDS signal generator featuring dual 100MHz bandwidth channels, a blazing 1GSa/s real-time sampling rate, and 1GB of built-in storage. Designed for hobbyists and professionals stepping up from basic tools, it offers versatile waveform generation, instant auto-triggering, and precision cursor measurements on a crisp 7-inch display—delivering high-end functionality at an accessible price point.

Specifications

ASIN	B097T5NRTZ
Best Sellers Rank	#43,403 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #19 in Lab Oscilloscopes
Customer Reviews	4.1 4.1 out of 5 stars (492)
Date First Available	June 24, 2021
Is Discontinued By Manufacturer	No
Item Weight	3.46 pounds
Item model number	1014D
Manufacturer	FNIRSI
Product Dimensions	9.84 x 2.76 x 5.51 inches

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