Scaling in and out of positions

[sectorbets]

My trading system in addition to producing sharply defined signals can also produce what might be called a "soft" signal that I have been toying with to scale in or out of existing positions. For example, let's say I am long 10,000 shares of XYZ, and if I get the "soft" signal, I might want to close out 1/4 of the position for each day that I have the "soft" signal rather than waiting for the "hard" signal.

Is there any way you can think of that I might be able to implement this approach either in MetaStock or using some of the TradeSim functions??

Thank you
Rick

[tech/a]

Manually the Alert function in M/S would turn the condition up---but to then instruct a sale of a % on the alert is beyond me.