Scientific
PSD7303 28/42
2.10 Version information
Short press button to enter Version Information interface, which
is shown below:
Long press button in any interface to open keylock function,
which will make all the keys invalid, and the graphic logo of “lock” will display
at the same time.
Long press button again to close the keylock function and the
graphic logo of “lock” will disappear at the same time.
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