User Interface - Command Group 0x18nn
User Interface
The host uses these commands to interact with various areas of the device's user interface.
Applies to: All Dyna Family products
Information in this group
Section
Information
The host uses this command to prompt a cardholder for a signature.
The host uses this command to provide a cardholder selection to the device when the device itself does not have a display or inputs to prompt the cardholder for a selection.
The host uses this command to request that the device display a message for the cardholder.
The host uses this command to direct the device to arm or disarm the barcode reader for reading a barcode outside the scope of a transaction.
The host uses this command to start a buzzer for playing a sequence of tones.
The host uses this command to prompt a cardholder for customer information.
The host uses this command to control the 4 LEDs of the device when the device is not in non-User Control LED states.
The host uses this command to trigger the device to immediately show a pre-loaded image on the display, provided the device is not in a mode that has exclusive use of the display (such as during a transaction).
The host uses this command to direct the device to immediately show a QR code on the display, provided the device is not in a mode that has exclusive use of the display (such as during a transaction).
The host uses this command to trigger the device to immediately show a bitmap file the host includes as a parameter, provided the device is not in a mode that has exclusive use of the display (such as during a transaction).
This command allows the host to bring up standalone pages.
Card emulation is initiated by receiving a 0x1840 command from the host.
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