Hr2000 firmware upgrade troubles with external triggering mode

Hello,
Has anyone had any problems with the latest Ocean Optics HR2000+ firmware upgrade while using external triggering mode?
I'm using the NI-provided drivers for HR2000+ which used to work without a problem before the driver update. My program synchronizes 3 spectrometers so that they continuously acquire spectra at 1 second integration time while being triggered by a pulse generator running at 20 Hz. It used to be that the specs would trigger again only once the previous integration completed, but now the spectrometers try to trigger with each trigger and don't complete the 1 second integration. My code has not changed at all between firmware upgrades, and I expected it to work exactly the same after the upgrade. I've reinstalled all programs, inf, and sys files related to the driver as well.
Do I have to wait for a new NI-Driver update that adjust to the new firmware update? Attached is the driver package I'm using.
Any clues as to what I can do about this?
Thanks,
Mike
Attachments:
Ocean Optics 2000 4000.zip ‏582 KB

Attached is a sample VI for what we're attempting to do. This used to work before the Ocean Optics firmware update.
Attachments:
specs_with_trig_post_firmware_upgrade.vi ‏57 KB

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