AT&T MARATHON Lights (MARATHON Discontinued)

On The Base:

Red light lit up next to Lifter Mode or No Lifter Mode. When the headset is ON, this light flashes. When it’s OFF this light is steady.

- May also flash when another telephone is in use on the same line.

- Flashed quickly when there is an incoming call

Red light next to Mute means your microphone is muted

On The Headset:

Blue on top: Registered. The headset is paired to a base (note: it might be paired to a different base than the one it’s sitting on! Test and check!)

Blue flashing on top: We have had Customers report they see blue flashing on the top and nothing at the bottom. We have yet to figure out what that lights means.

Blue on top/Orange on bottom: Deregistered. The headset is not paired to a base.

Red on bottom: Low Battery. The headset needs to charge.

Blue/Red Flashing: Search Mode. The headset is not paired to a base and is searching for one.

Orange on bottom ONLY: The headset is paired as the 2nd (guest) headset in conference mode. You would have to specifically put a 2nd headset into this mode, so you will hardly ever see an Orange-Only MARATHON.

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