Online to Transfer Monitoring Monitoring Force On Force Off Force On Force Off Online to Transfer Program Check Program Check Online Edit Online Edit 14. Changing Set Value of Timer The set value of a timer is changed while CPU is running (in the Monitor mode only). Move the cursor to the set value of a timer. Enter the new set value #100. ENT Or double-click. Click [OK] to complete. 15. Changing Present Value of Timer The present value of a timer is changed while CPU is running (in the Monitor mode only). Move the cursor to the present value of a timer. Enter a new present value 5000. ENT Or double-click. Click [Set] to complete. Subtraction starts from the new value 5000.