You can set the following options for the Connection Viewer:

Select which connection properties to display   Shows the name and description of all connection properties. Select the connection properties you want to appear by placing a checkmark in the checkbox beside the property name. For property descriptions, see Connection properties.

Refresh rate   Type a time to specify how often Sybase Central checks the database server for new server messages and updates the Connection Viewer pane. The default is every 4 seconds.