Present (Swipe) Master Card to TR4030/TR4050 to enter the menu of programming mode. Then select [Setup]->[Advanced…]->[Keypad function]->[Shift entry]. Press F4 key to confirm and then press F1 key to exit.
If you want to enter “Shift” number with the keypad to tell TR4030/TR4050 which shift is being worked, but the keypad is not workable
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