changed to User Correction during every calibration. At the same time, in
order to ensure the integrity of the calibration, automatic power-off
function is invalid and the device will keep power-on.
Security Requirements
1. Charge
This device is not equipped with charger, please use mobile phone or
tablet charger with current 1A or more to charge.
As the power consumption of the device is large, so as the battery
capacity is large, the charge current is designed to be limited within
400mA, and after completely discharged, it will take about 5 hours to
fully charge. If the charge is in the boot state, the overall current
consumption is about 750mA, so in order to charge it right, please use
the charger with current output capacity more than 1A. Please charge in
time to avoid battery damaging, and do not use computer USB which
current is insufficient to support the device and it may cause computer
work abnormal.
In addition, the power indication of the product is indicative and the error
will be more obvious especially in charging. Error within 15% is normal，
please beware that is not battery damage or product broke down.
2. Storage
There is lithium polymer battery within the device, so please store it after
full charge and power off. We kindly recommend that if long-term unused,
you may need to charge every other year to keep the battery far from
damage.
We use USB plug for charging port but not USB communication interface.
Connect it to computer USB will bring interference signal, affect normal
work.
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