You will find the Sub Menu List in right side besides Registration button in Menu tab .

You can update the Sub Menu at Shop Menu List by pressing ... tab of the sub menu that the user wants to update.This open up a list of operations and you can update the selected sub menu by pressing Update tab.

After pressing Update tab the sub menu update form opens up with the information of that registered sub menu.User can change the various information according to the users requirements of that registered menu.
Note: Changing or filling up information in sub menu update form is similar to that of sub menu registration process.

By editing the required field you simply can Click the Update button in sub menu update form to update the menu. By this process/ procedure you can perform simple update of a Menu in the POS system.