Visually check every switch before you move it.

Jake moved the newspaper on his lap so the stewardess could visually check.

As he followed, he visually checked the doors and windows.

On older boats, sailors check visually that all is shipshape.

Tools for manual disassembling of objects and walls in order to visually check their content.

He visually checked all the vital signs which could be seen on the read-out equipment.

The pilot completed the emergency procedure from memory and visually checked the landing gear.

She made a broadcast to other aircraft, visually checked the skies around her, then ran up the engine.

I visually checked the dark green towel for blood, but couldn't be sure of what I was seeing.

Scott went to the portal to check on the battlecruiser visually.