<br>Resolution of volume-based charts can also be set by one of the following methods:
* Click the '''Volume Bar''' http://www.multicharts.com/img/wiki/toolbar/compression/03_VolumeBar.pngicon on the '''Resolution''' toolbar; from the drop-down list select the number of contracts to be used for each bar
* Click the down-arrow to the right of the '''Resolution''' http://www.multicharts.com/img/wiki/toolbar/compression/01_Resolution.png icon on the '''Command Line''' toolbar, then point to '''Volume Bar''' and select the number of contracts to be used for each bar from the drop-down list
* Enter the appropriate command into the Command Line toolbar combo box <br>. [[MultiCharts_Work_Area#Understanding_Command_Line|Click here]] to find out how to use the Command Line.