Perhaps some safety protocol activated this isolated system when primary communications functions were in diagnostic mode.

"They're trapped in diagnostic mode," Bokri said, "and my command codes won't override."

The standard common obstetric diagnostic mode is 2D scanning.

Holding down 'Off' and 'Warmer' for several seconds activates the diagnostic mode without need for an external scan-tool.

The most common settings are monitor mode and diagnostic mode.

I've got the security A.I. in diagnostic mode, and it'll stay that way for another ninety-eight minutes.

"You've put the machine through a diagnostic mode?"

Switching from diagnostic mode to operations, he reflected on how glad he was not to have disappointed his superior after all.

"It's locked in diagnostic mode and isn't accepting input."

Safe mode is a diagnostic mode of a computer operating system (OS).