... on or turn off the display.Step 2:Press the EDIT button. This puts the display into ... P:9).To change a memory location, press button 1 to 9.Press "ENT", it will show blinking rectangle ... the big and small letter. Press "CRL", it shows "CLR"?, press "N", back to the edit mode, press "Y", it ... moderateSP3: slowThree speeds. To change the speed, press number 1 to 3.Press "ENT" to make your confirmation. LED ...