Cashier hotkeys for the POS screen — designed for fast checkout without lifting hands from the keyboard.
F2 jumps focus to the product search/barcode input from anywhere on the POS.
F9 or Ctrl + Enter opens the payment modal with the current cart total preselected.
F4 parks the current cart so you can serve another customer. Recall held sales with F5.
F8 opens the discount panel — fixed amount or percentage.
Esc with cart focused asks for confirmation, then clears.
F3 attaches a customer to the sale (or creates a new one inline).