NEC DTU 8D-2 Corded Phone Logo
Posted on Sep 09, 2011

How do I turn off the blinking lights on my DTU-8D-2(BK) Telephone

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  • Posted on Sep 09, 2011
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Unplug the line cord. While holding down the * and # keys, plug the line cord back in. Release the * and # keys.

Follow the directions on-screen, which will test all display modes, buttons, and sounds for both red and green colored LEDs.

If the feature button continues to flash, press it and then lift the handset and hang up.

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