RSA5126B Letter of Volatility/Declassification

I am looking for a Letter of Volatility or Declassification guide for the RSA5126B Spectrum Analyzer in order to clear memory.

Hello,
The link below is for the Declassification and Security manual on tek.com.
https://www.tek.com/en/spectrum-analyzer/rsa5000-manual-11

Link for tek.com search RSA5126B
https://www.tek.com/en/search?keywords=RSA5126B&facets=_templatename%3dManual%26parsedmanualtype%3dDeclassification&sort=desc