If you have purchased a MyCard EMV device, then those specific devices (serial number, MAC address, IP, etc) and the label(s) you use to differentiate them, are contained here. You can feel free to edit any table for your EMV device at any time, it won't affect the performance of the device. But once edited, the 'new label' will now be used for any historical EMV transaction that used that serial number, so if you want continuity, don't edit those labels.
Note, when a EMV BookingCenter app is updated, it downloads automatically during the night (4:30 am EST) automatically if left powered up and connected to the internet. Note, an update will only occur if there are no qued transactions on the device - so make sure you settle all transactions and don't do any further authorizations before leaving your device to 'auto update' during this automatic night-time event.
You may see an error: "Comm Error1505, 400" after the installation of a new app during the automatic night-time event. It will occur only once and then will go away after the next re-start. Just power-cycle the device after receiving that error and the error will go away.
Learn about using EMV inside MyPMS here.
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