Data can be formatted in many different ways.
Binary data formatting often provides the smallest payload size and therefore transfers via USB/LAN more quickly. Unfortunately, binary is very difficult to interpret by humans. So, binary data is often reformatted to other types (ASCII, etc..)/
Here is a link to the binary data format for many popular SIGLENT oscilloscopes:How-to-Extract-Data-from-the-Binary-File-of-Siglent-Oscilloscope.pdf
The current document supports the following series:
SDS2000X Plus Series