Page 330 of 504 Appendix A: Meridian Modular Telephones553-3001-367 Standard 3.00 August 2005Physical descriptionAll of the Meridian Modular Telephones are equipped with:• Hold key• Release key• Volume control• Message Waiting lamp• SpeakerEach modular telephone also has a number of programmable keys with LCDindicators that can be assigned to any combination of directory numbers andfeatures (only one DN for the M2006). The lower right-hand key (key 0) isreserved for the Primary DN.When equipped with a Display module or MCA, key 07 is automaticallyassigned as the Program key and cannot be changed. Key 05 becomes theProgram key on the M2006, if equipped with MCA.The M2006 is a single line telephone and accepts only one DN. Theremaining five key/lamp pairs can be assigned any feature that is notconsidered a DN, such as Transfer, Call Forward, or Conference. Featuresthat cannot be assigned are those that are considered DNs: Voice Call and2-way Hotline, for example. Attempting to assign more than one DN to theM2006 causes the telephone to disables itself and all LCDs light steadily. Itwill return to its normal operating state when service change removes allsecondary DNs.LCD indicators support 4 key/LCD states:Function LCD stateidle offactive on (steady)ringing flash (60 Hz)hold fast flash (120 Hz)* An indicator fast flashes when a feature key is pressed but theprocedure necessary to activate the feature has not been completed.
