WITRN Qway U2, Руководство пользователя

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Small current peripheral auxiliary charging (charging treasure does
not shut down):
Ok key:
short
press:
nc
m key:
short
press:
nc
Long press: exit Confirm
execution
(long press to exit)
Since many charging treasures have a current detection function
at the output end, the output power consumption is prevented
from being continued when the mobile phone is full. Therefore,
most of the charging treasures have an output current of less than
100 mA, and the output is automatically turned off after several
tens of seconds to several minutes.
Then the problem is, many Bluetooth headsets, 3D glasses,
children's watches, sports bracelets, tire pressure detectors, etc.,
the charging current of the device is less than 100mA, then this
time with the charging treasure charging, not charging for tens of
seconds, charging treasure Shut down
It is inconvenient to cause such devices to fail to charge,
especially when going out.
Of course, many new charging treasures now have a small current
output function, which can be used directly if needed.
U2's low current device assisted charging function helps you solve
this problem:
Enter the Charger Tool menu, this function runs automatically,
U2 automatically turns on the internal load every 10 seconds.
Let the charging current detection circuit can detect the external
load, do not turn off the output, then you can connect the Bluetooth
headset to charge it happily (the current version has no timing
function, add it later, remember
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