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There are several components that may affect data shown on a chart, DOM, or market scanner windows in MultiCharts.
==Green Light Indication in MultiCharts==
* At the bottom right corner of MultiCharts there is an indicator to show the current connection status to MultiCharts authorization server. If it is green, the connection is established and your registration name (usually the customer's first and last name, all lower case) and registration code (16 digits that should not be mixed with the MultiCharts User ID) is verified. As a result, it is possible to receive data from a connected data source. Red or yellow means you can’t receive data. Possible reasons:
** Incorrect registration name/code.
** Internet connection problem.
MultiCharts can be running either in online mode that allows user to receive real-time and historical data from data vendors’ servers, or customer can work in offline mode to develop studies and strategies and backtest them on locally saved historical data. There are 3 key points customers should know about the modes of MultiCharts:
* It is not possible to receive any data from your data source in offline mode.
* It is not possible to connect a broker profile and place orders in offline mode.* Offline/Online mode affects not only MultiCharts; it affects [[MultiCharts Processes|tsserver.exe]] process that is are responsible for data in the software, so the selected mode will be set for MultiCharts, QuoteManager and Portfolio Trader.
It is possible to change tsserver.exe mode only when the following conditions are met:
* QuoteManager and Portfolio Trader are not running, only MultiCharts is launched;
==Data Source Settings==
In order to receive data from a particular data source, it should be active and set up. To learn more about data sources, read [[Data Sources Overview| this article]].
Each supported data vendor in MultiCharts provides a different limited amount of data. To learn how much data is provided in MultiCharts by a specific data source, follow this [[httpshttp://www.multicharts.com/features/market-data-feeds/]] link.
Offline/Online mode affects all data sources; however, there are also some specific data sources with additional settings that can affect data being received in MultiCharts from particular data vendors’ servers:
* Historical data from [[Interactive Brokers]];
