






UC4.1 Change Activity Level Threshold
Primary Actor: See Parent Use Case.
Preconditions: See Parent Use Case.
Success Guarantee (Postconditions): See Parent Use Case.
Main Success Scenario
- If the user wants to increase the activity level threshold for displayed links, they should hit the increase transparency key.
- If the user wants to decrease the activity level threshold for displayed links, they should hit the decrease transparency key.
Extensions (Alternative Flows):
- Note that if the activity level threshold is at 0, an attempt to decrease the activity level threshold will be ignored or cause a status message to be issued. The activity level threshold will not be changed.
- Note that if the activity level threshold is already so high as to cause no communication links to be displayed, an attempt to increase the activity level threshold may be ignored or cause a status message to be issued.
Special Requirements:
NONE
Technology and Data Variation List:
NONE
Frequency of Occurrence: See Parent Use Case
Open Issues:
NONE
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