PA22
User Manual
P a g e
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Palm 1:N Matching
Threshold
Under the 1:N Verification Method, only when the similarity between the
verifying palm and all registered palm is greater than this value can the
verification succeed.
6.4.
Factory Reset
Restore the device settings to their factory state, such as communication settings, system settings, etc. (Do
not clear registered user data).
Select the
Reset
option on the
System
interface. Select
OK
to reset.
6.5.
USB Upgrade
Insert the
U disk
with the upgrade file into the device’s USB port, and in the initial interface, press
[M/OK] >
System > USB
Upgrade
to complete the firmware upgrade operation.
Select the
USB Upgrade
option on the
System
interface.
Note:
If an upgrade file is needed, please contact our technical support. Deny firmware upgrade under
normal circumstances.