Use this POS option in Options Configuration if you have a customer display unit attached to any of your terminals, and you want to continue the message you started in the Customer Display Message Line 1 field.
This field (and the Customer Display Message Line 1 field) determines the message that appears in the customer display window. The message displays after three minutes of POS inactivity (no keys have been pressed).
This field is alphanumeric. You can enter up to 20 letters and numbers.