0x1803 - Display Message (Display Only)
The host uses this command to request that the device display a message for the cardholder.
The sequence of events is as follows:
The host ensures the device is not currently running another command, for example, that it is not running a transaction using Start Transaction - Command 0x1001.
The host selects the message it wants to display from the list of available pre-determined strings.
The host composes a command request in the format below, and sends it to the device.
The device displays the requested message.
If the Timeout parameter is set to Infinite, the device returns a command response message with Response Status, Operation Status Summary byte set to 0x00 (OK, Done) after which the host is free to send further commands.
If the Timeout parameter is not set to Infinite:
Example (Hex):