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== Data Series Properties ==
Data Series Properties consists of '''Resolution''', '''Quote Field''', '''Session''', '''Build Volume On''', and '''Time Zone''' settings.
=== Global Settings ===
Data Server Mode settings affect the whole software (MultiCharts, Portfolio Trader and QuoteManager). This page determines whether the software has access to real-time data from a data provider server or it is limited to use only the data that is already stored in the database.
# Select '''Online: Load the locally stored data and connect to a real-time data feed''' to switch software to online mode and get access to data from data vendor servers.
# Check '''Download missing historical data''' to download the missing historical data from a data provider; clear the checkbox to work only with real-time data and locally stored data (no historical backfill from data vendor).
# Check '''Save real-time minute bars to the database''' to save real-time minute bars to the local database; clear the checkbox not to save this data to the database.# Select '''Offline: Use only the locally stored data''' to work only with historical data that is already saved in the database. No additional data will be requested from the data provider in this case.# To show the '''Data Server Mode''' tab on software startup, select the '''Show Data Server Mode dialog box on startup''' checkbox; clear the checkbox not to display the dialog box.
<div style="background-color: #E3FBE5;">'''Note''': In order to switch between the modes or turn on/off the "Download missing historical data" box, all workspaces should be closed in all instances of MultiCharts, forward testing and auto trading should be stopped in Portfolio Trader and QuoteManager should be exited, [[Forex_Board#Forex_Board_Service_Window|Forex Board service window]] should be dectivated and [[Pre-Scanning_and_Watchlist#Scanner_service_window|service Scanner]] should be cleared of all symbols (or also deactivated). </div>
To learn how this setting affects data collected in MultiCharts, please read [[Collecting and Saving Data to MultiCharts Database|this article]].
[[Category:Portfolio Trading]]
