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Article ID: 000025259
Last Modified Date: 05/15/2021
Access Level: Public

Marque M155 Date Code Location

The two character Date Code is located on the same side of the headset as the eartip, and is on the same line of text that starts with CE. It is the last two characters of that line, and consists of one letter and one number (e.g., H1).

Image of the Marque M155 Date Code Location