Please follow the instruction below to use minimum price.
* First you must setting with choose Price Minimum Type:
1. Setup - More Menu - Configuration - Application - Tab "POS" - Default
A. For not lower than unit Price
B. For not lower than Unit Cost
2. Go to 'Groups' tab and click the 'Cashier' on the bottom of the section.
3. Tick "Price Minimum" and "Update" on the top right corner of the section.
4. Go to "Sell" and " Input Product".
example : cashier will sell product with unit price is 5.000 and try put price lower with put price 4000 and dealpos will be notification.