Agilent E4407B ESA-E Spectrum Analyzer 9kHz-26.5Ghz W/ B72, A4H, AYX, Extension 156671148555 but the display stays frozen

but the display stays frozen on the startup screen and does not respond to the inputs

Includes Terminal Controller and Interface Cable as pictured

Manufacturer Turnigy Model Number SK3-2836-1500KV SKU 19-77664 Ref 23-113023

Manufacturer HORIBASTEC Model Number SEC-Z12DWM SKU 19-12341 Ref 23-50870

Manufacturer Crestron Part Number 6504295 Model Number MP-WP181-C-W SKU 19-32408 Ref 23-42025

Agilent E4407B ESA-E Spectrum Analyzer 9kHz-26.5Ghz W/ B72, A4H, AYX, Extension 156671148555 but the display stays frozenThis item is out of stock. Contact us to be notified when it becomes available again. Specifics Manufacturer Agilent Model Number E4407B SKU 19 31322 Ref 23 115347