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7.7 Use Writing Numbers
This operation is used to write numbers again if the system type does not match
with the hardware.
Before using writing numbers, prepare a USB flash disk with the updated system in
its root directory.
To use writing numbers, do the following:
1. Power on and repeatedly press until the prompt USB is available now.
appears.
2. Press for confirmation. The display enters the updating interface:
3. To get the registration code, press , check and send the number of
board card and self-checking information to us.
Note: During this operation, keep the power on. Otherwise, you need to do the operation again.