Change the exposure time of an exposure in progress.
2=to: 2!:}Format: NEWTIME <channel> <time>
2=to: 2!:}Example: NEWTIME PFIP 1200
2=to: 2!:}Channel: The name of the CCD data acquisition channel to be used.
2=to: 2!:}Time: The exposure time in seconds
2=to: 2!:}Comments: The system will not accept an exposure time less than the current exposed time.