The setup to use the HAMEG Spectrum Analyzer HM 8028 connected with the TEKTRONIX 2230 oscilloscope is very simple.
Below there is the setup for receive an ASK 434MHz signal.
Connect the HM 8028 X/Y output to:
TEK 2230 CH1 via BNC black
TEK 2230 CH2 via BNC red
See the image below.