Speed

Maximum
Use maximum speed while downloading files.

Medium
Use medium speed while downloading files. Allows you to download files and at the same time effectively work on the Internet. You may set the maximum download speed and number of threads per download.

Low
Use low speed while downloading files. It's a very useful if you have enough time for your downloads or you are using the Internet actively. You may set the maximum download speed and number of threads per download.

Automatic

• Reduce download speed if the user's activity detected
  In this mode the download speed is reduced to low while the user is active on the computer. The mode lets the user work on the computer comfortably, maximum download speed is restored when the computer is not used.
• Reduce download speed if the internet activity detected
  In this mode download speed will be set low while any of the specified programs is working with network (for Windows versions prior to XP this feature works only for Internet Explorer). It is intented for comfortable netsurfing while IDA maintains maximum download speed.
  ( i ) Separate file names with spaces. Format: file_name:port (the "port" parameter is optional). For example: explorer.exe firefox.exe:80

Manual
While you are working in this mode you may correct your download speed using the toddler in the status panel.