A green triangle on the EUFD indicates the...

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Multiple Choice

A green triangle on the EUFD indicates the...

Explanation:
A green triangle on the EUFD is a status cue that shows another crew member’s IDM is online and active. IDM refers to the inter-device messaging link used to share data between crew members’ systems, so seeing this green triangle means that data exchange with the other crew member is established and functioning normally. This isn’t indicating voice communication, a fault, or radar channel status—those conditions would be shown by other indicators or colors on the display. So the green triangle specifically confirms that the other crew member’s IDM is active.

A green triangle on the EUFD is a status cue that shows another crew member’s IDM is online and active. IDM refers to the inter-device messaging link used to share data between crew members’ systems, so seeing this green triangle means that data exchange with the other crew member is established and functioning normally. This isn’t indicating voice communication, a fault, or radar channel status—those conditions would be shown by other indicators or colors on the display. So the green triangle specifically confirms that the other crew member’s IDM is active.

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