This is an Anritsu S362E SiteMaster.  This unit powers on with the LO errors shown.  No further details are known, and no repair attempts have been made by me.  This unit is being sold STRICTLY AS IS with no warranty of any kind.  NO ACCESSORIES are included.

Options installed:

10--Variable Bias Tee, +12 to +24V Variable (1V steps)

21--2-Port Transmission Measurement

29--Power Meter