1.1 Communicating with External Devices
1.1.1 Communication Between GT and External Devices
The communication between the GT and an external device is carried out via the GT internal memories.
The external device can "control screens" or "display data" by reading/writing the GT internal memories.
Reference:
For the details on the commands to read/write the internal memories, refer to <Chapter 3, 4 and 5>.
Depending on the communication mode settings, the GT can send a message informing the external
device when a switch was pressed.
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