OPERATIONS: ACCUMULATED DATA CORRECTION (BY INDIVIDUAL) 1. Set the key switch to FUNCTION mode. The display will go blank. 2. 3. 4. Press I to enter the Data Correction mode. The display will show the I in the upper left hand corner. Insert the time card to be corrected and remove card. The amount of regular hours worked will be displayed. Press E until the desired code appears on the display. For example, choose code #2 to add overtime hours. Weekly Net Hours To adjust net hours for the current week.