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2.2.8.7 APL Lighting Board
The APL lighting board is used to indicate the manual APL knob.
Installation position of the APL lighting board
APL lighting board
2.2.8.8 External I/O Interface Board
The external I/O interface board provides external ports, including four USB ports, two network
ports, and one DB9 port (for calibration and device interconnection). No software is configured
for this board.
The APL lighting board
is installed here.