Under Historical Data Manager>Download, if I want to download tick data to create constant range bar chart, what should I select? Is it Tick, Ask, Bid and Last? If I click Download, data will be downloaded from the current selected datafeed, is that correct?
Under Tools>Optons>Data, what's the function of Reset DB and Reset instruments? Is it possible to clear the data stored for an instruments?
Thanks.
Tiffany
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