Gwx 75 Installation Manual !full! -

Personnel should be advised to avoid looking into an open waveguide, as this can cause severe eye damage.

: Never operate the radar in a hangar or enclosed space unless the energy is directed into an absorption shield. Physical & Electrical Specifications gwx 75 installation manual

The manual provides:

Perform the radar alignment procedure to align the radar picture with the flight display. Personnel should be advised to avoid looking into

: Standard procedures include unpacking the unit, verifying the pin list for system interconnects, and performing a mounting/wiring check. and performing a mounting/wiring check.