Fine offset HP2550 - Clear History; Clear Max;Min; Backup Data

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5.13.5 Clear History
Press or key to select Clear History. Press or key to
popup the Message Box ”Clear the history record?” Press or to
select Yes or No. Press the or key to confirm the selection.
5.13.6 Clear Max/Min
Press or key to select Clear Max/Min. Press or key
to popup the Message Box ”Clear the max/min record?” Press or
to select Yes or No. Press the or key to confirm the selection.
5.13.7 Backup data
Press or key to select Backup data. Press or key to
popup the Message Box ”Copy history data to SD card?” Press or
to select OK or Cancel. Press the or key to confirm the
selection.
Note: You need to insert a SD card(not included) into the console before
using this function.