Firmware Upgrade - Fnirsi -1C15 Quick Start Manual

No matter how pure gold is, it is impossible to achieve
100% purity. No perfect person, no perfect product,
but we have a team of responsible engineers.
This product supports firmware upgrades. We will
collect customer feedback and suggestions to upgrade
and optimize the product software. After that, we will
release our latest firmware in our official store.
Upgrade method:
(1)Click the
on, the oscilloscope interface displays English letters
(2)U disk appears after connecting the USB cable,
paste the downloaded firmware to the U disk
(3)Eject USB, unplug USB cable, click
to upgrade, shut down and restart after finishing.

Firmware upgrade

"SEL" button immediately after power
12
"OK" button