Click Sched Days/Doses.
Click Days (ALT+Y).
For days, type numbers separated by commas (,) to designate days of the cycle. Use negative numbers for days prior to a defining event—for example, a bone marrow transplant. To indicate a number of consecutive days, type the first and last day of the range, separated by a colon (:).
Click OK (ALT+ O ).
If you decrease the number of scheduled days, type the reason when prompted.
Click OK (ALT+ O ).