The UART transmit data string feature writes a data string to the UART transmit FIFO buffer. Shortly after, the camera sends it on the UART transmit interface. Instead of using the UART transmit data feature, you can use this feature to efficiently write more data at a time.
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You can use the eSDK API functions to get and set the node’s current value.
For information about related features, see General Purpose Input/Output Control Features.