The Nicking symbol form is opened from the Automatic Nick Settings form and is used to add or modify a table entry, for use with the Automatic Nicking tool.
Maximum length
Specify the maximum knife length that this symbol pattern should be applied to.
Nick symbol
Use the edit button 
to choose the required symbol from the Symbol Select form.
Number of groups
Specify the number of groups of symbols to be placed on knives of this length.
Distance from end
Specify the minimum distance from each end of the knife that the symbol groups should be. If there is only one group this group will be placed at the centre of the knife and this option will be unavailable.
Number per group
Specify the number of symbols to be placed in each group.
Group spacing
Specify the distance between each symbol in the group. If there is only one symbol in the group then this option will be unavailable.
There is a dynamic preview which shows what the symbols will appear like when they are placed.
Nicking Symbol