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A. Through scanning the barcode or typing it.
The customer viewer is designed for dual-screen POS like (OKPOS station) for dual screen, the check box "Customer Viewer" will enable a second "browser window" which the user can drag and drop into the second screen and leave there, for now, it'll save the "last position" of the last positioned (suppose to be second screen), however, some computer driver/browser doesn't allow to move to second screen resolution, thus some time user may need to drag again on first launch of the program. This doesn't need to be any specific software or driver or any installation, it's only a normal "multiple monitor" setup in the computer.
When the check box is checked the first time, it'll be "cookies" or "save" on the PC for the same employee+outlet, so the next time the employee login and uses the outlet it'll automatically pop up again no need to click every time
B. Thru item search
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