The High Value Warning will warn you when you manually key in a postage value that is higher than a maximum amount that you specify. This feature helps prevent you from accidentally printing an excessive postage value.
Press the Menu / Options key.
Press Review (up) to scroll to "Change Setup?".
Press Enter/Yes.
Press Review (down) and scroll to "Change High Value Warning?".
Press Enter/Yes.
Enter the desired amount (the manual postage value above which the franking machine will give a warning).
Press Enter/Yes. A confirmation message appears.
When you are prompted to "Stay in Setup?", press No to return to the Home screen.