System > Configuration > Catalog > Catalog > Layered Navigation.
The Layered Navigation section lets you configure the product count display and range of prices used in the layered navigation section of your Magento Go store.
For step-by-step instructions, see: Layered Navigation
|Display Product Count||Store View||If Display Product Count is set to Yes, the number of matching records that was found appears in parenthesis after the filter.|
|Price Navigation Step Calculation||Store View||Specifies whether the range of prices used in the layered navigation is determined automatically or manually.|
|Default Price Navigation Step||Store View||If Price Navigation Step Calculation is set to Manual, enter a numeric value to determine how price ranges are grouped in the layered navigation. For example, if set to 100, prices are displayed in groups of 100, as follows: