This manual shows how to change the display time and date on the Norstar Meridian MICS. Excerpted from Modular ICS 6.1 System Coordinator Guide.
Nortel Meridian M7310 Phone - Top Quality with 3 Year Warranty - NT8B20
Avaya/Nortel T7316E phone - Top Quality with 3 Year Warranty - NT8B27
Nortel Meridian M7208 Phone. - Top Quality with a 3 Year Warranty - NT8B30
Nortel Meridian Avaya T7208 Phone. - Top Quality with 3 Year Warranty NT8B26