1.If you have entered from the Main Menu, enter a part number and click the [Search] button. The history is shown for the procurement or substitution part numbers of the entered part number. 2.If you have entered from the [Parts Number Translation Results] screen, search is done for the focused part number to find its procurement or substitution part numbers. If there is any matching procurement part number existing, a list of procurement part numbers is shown. If there is no matching procurement part number but there is a substitution part number, a list of substitution part number histories is shown. If there is neither matching procurement part number nor the substitution part number, a list of procurement part numbers is shown. *If you click the [ListSwitch] button, you can switch between the [Substitution Part Number history] and [Procurement Part Number history] fields. <> Incorrect Part Number entered.Check your input. "Search" button was clicked with the wrong digit of Part Number. None. The user must enter the Part Number in 10 or 12 digits and try again. <> Appropriate data cannot be found. Check your input and try again. If the [Procurement Part Number history] field is shown, this means that there was no history of the procurement part numbers existing for the part number that you had entered. If the [Substitution Part Number history] field is shown, this means that there was no history of the substitution part numbers existing for the part number that you had entered. None. The user must check the input and try again. <> As there was a multiple substitution case, no data is shown in the history field. As there was at least one multiple substitution case found during @@the substitution part number search, no data is shown in the @@[Substitution Part Number history] field. None. The user must enter the Part Number, and click "Search" button. <> code=XXXX I print a screen, and please refer to an inquiry window. The system found an error and cannot proceed. The system closes the EPC, when "End" button is clicked. The system outputs hard copies and closes the ECP, when "Print" button is clicked. The user must click "End" button in the message box to close the program or click "Print" button to print the screen, and report to the consultant.