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5.Firmware Update
Connect the device to the computer via USB to Type-C cable,long press the left
button and the power on button to enter the upgrade page. At this time, a USB
drive will pop up on the computer, pull the firmware into the USB flash drive will
automatically upgrade.
6.Precautions
●The machine cannot input DC voltage greater than 100V. AC voltage cannot be
input under any conditions.
●Avoid high temperature and humid environment. Prevent the interface and
circuitry from oxidizing by moisture.
●If it is not used for a long time, please keep the battery with 50% power (or
battery voltage between 3.7V-3.9V) to extend lifespan.
●Use of Kelvin Plus Test Leads: When measuring the battery, the clips must be
open.There should be no direct contact between the two metal pieces, and
they must be in good contact with the battery electrodes, otherwise stable
and accurate measurement will not be possible.
7.Contact Us
Any FNIRSI'users with any questions who comes to contact us will have
our promise to get a satisfactory solution + an Extra 6-Month Warranty to
thanks for your support!
By the way, we have created an interesting community, welcome to
contact FNIRSI staff to join our community.
Shenzhen FNIRSI Technology Co.,LTD.
Add.：
West of Building C,Weida Industrial Park,Dalang Street,Longhua
District,Shenzhen,Guangdong
E-mail：
fnirsiofficial@gmail.com (Business)/ fnirsiofficialcs@gmail.com
(Equipment service)
Tel：
0755-28020752 / +8613536884686
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