Introduction
Photon II System Guide 4
Two LED’s on the top of the unit provide status indication:
ACQ – flashes when the system is acquiring data.
SYS – lit when the DSP is powered.
The START/STOP button can be used to remotely start or stop
a measurement (when using RT Pro software)
Top view of the Photon II showing the ACQ LED, SYS LED, and
START/STOP button.