Parameter and Command Reference > Logging Configuration Parameters > LogEcho 

LogEcho 
Display logging messages on the console. Enable this parameter to display logging messages on the console.
 
NOTE This setting has no effect if you are running the application as a Windows service.
 
Logging and/or LogStream
If you set this parameter in the Logging and LogStream sections, the setting in the LogStream section takes precedence for the specified log stream.