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Ocean Optics External Triggering Options Instructions for Spectrometers with Firmware Version 3.0 and Above User Manual

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External Triggering Instructions for FW 3.0 and Above

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For the Maya2000Pro, HR2000+ and USB2000+, as in all nonbuffered modes, no integrations are
possible until the software has read the entire contents of the FIFO.

External Hardware Level Trigger Mode Timing Sequence

For the QE65000, three spectrum buffers provide software with the most recent spectral acquisitions.