22 quTAG MC Manual www.qutools.com
The raw time tags can be saved with the buttons next to "Save Time Tags" at the bottom of the
Tab. The used file format is determined by the file name and its suffix. "Textfiles" save the
timetags in ASCII format which is easy to read and process, but also needs more hard disk space.
"Binary" saves the time tags in a simple binary format with a header of 40 bytes (containing some
information about the device, please ignore that in our own processing routine) and a 10 byte
timestamp event, containing 8 bytes for the timestamp and 2 bytes for the channel number,
stored in little endian (Intel) byte order. The binary format can be read back with functions of the
custom programming library.
If configured, Marker events and time ticks are saved within the data stream as timestamps.
Channel numbers 100-103 are the Markers 1-4 with rising edge, 105-108 with falling edge and
104 is the millisecond time tick.
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