M2000 Series Meridian Digital Telephones Page 25 of 104Meridian 1 Telephones Description and SpecificationsNote: If the telephone is equipped with a Display, MeridianProgrammable Data Adapter, or Meridian Communications Adapter, thenumber of programmable keys is reduced by one, as key 07 (key 05 onM2006) automatically assumes the Program function.For installation information, see Telephone and Attendant Console:Installation (553-3001-215). See “Data options” on page 85 for moreinformation on the MPDA and MCA.Display moduleA two-line (24 characters per line) Display module provides system prompts,feedback on active features, and valuable calling party information. Inaddition, you can modify various telephone features such as volume andscreen contrast using the Program key (top right function key). You canenable a Call Timer, which times calls made or received on the prime DN.Note: The display module is not supported on the M2006.The displays previously available (NT2K24WA, NT2K25YL, and others)have been replaced by display NT2K28xx which eliminates a daughter board.Two new screens have also been added to support ACD applications:• Logged Out• Not ReadyNote: It is possible to adjust the Display screen contrast so that it is toolight or too dark to read. If you cannot read the Display, disconnect andthen reconnect the line cord to return to the default settings.Analog TerminalAdapter (ATA)x x x x xBrandline insert x x x x x xTable 1Hardware features and optionsM2006 M2008/M2008HF M2616 M2016S M2216ACD-1M2216ACD-2Note: In this table, x indicates available features for the telephone type listed in the top row.