This article will go over how Double Scan Prevention works for POS Checkout in TREEZ
LucidIDs allow for unit-level-tracking with a unique identifying QR code printed on the label of each product. Preventing the ability to scan the same LucidID multiple times into the same order, or into separate orders simultaneously, helps to reduce inventory discrepancies and increases the accuracy of the sales data.
POS Checkout
When using LucidIDs at POS checkout with Double Scan Prevention turned on, you will notice some changes to how Sell Treez POS operates. When scanning a LucidID in to an order, it will look like this:
When the line item has all the LucidIDs properly allocated to match the quantity, it will be outlined in green. If you use the + icon to add more of the product, the outline will change to red:
If you attempt to checkout in this state, you will see the following error message:
NOTE: You should click "Scan LucidIDs" to go back to the cart so you can scan the LucidID for the product before checking out. You can click "Checkout without Scanning LucidIDs" if you need to checkout without scanning due to a damaged LucidID label or a service interruption with LucidRetail LITE.
Upon scanning another LucidID of the same product, the outline will turn green again and you will be able to checkout:
Important: The number next to "qty" and the number next to the LucidID symbol on the line item will need to match for the outline to be green and to allow for checkout.
Note: Clicking on "Save Current Sale" will remove the LucidIDs from the transaction, even if the line item stays. LucidIDs will need to be scanned again before checkout.
Removing a LucidID From the Order
If you try to use the - symbol to remove a product, you will see this message:
Or if you try to use the trash can icon to delete a line item, you will see this message:
To remove a product, you will need to use the "Remove LucidID" button at the top of your page:
Upon clicking on this button, you will see the following pop-up:
Scan in the LucidID you wish to remove:
Important: Make sure that the LucidID you scan to remove is not the one you give to the customer
You can scan multiple LucidIDs of the same product to remove them at the same time. You can either click "Complete Removing LucidIDs" or let the green bar time out.
If you scan all LucidIDs on that line item, you will see this confirmation message:
Click on "Complete Removing LucidIDs" to return to the transaction.
Note: If you scan a LucidID that is not in the order, you will see this error message:
Note: You can still use "Abandon Sale" as that will clear all LucidIDs from the order
Important Note
Historical LucidIDs that were sold and returned for any reason will not be sellable and the retailer will not be able to check them out.
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Why?
Before this update, we were not detecting when a LucidID was removed from an order.
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How to fix?
The retailers can mark the LucidIDs as "unsold" using the steps in this article: LucidRetail Mobile: Mark LucidID as Not Sold
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