Ringer StatusThe station’s ringer will indicate the status as shown in the fol-lowing chartIntercom Tone StatusThe station’s intercom tones are shown below:Ring CadenceCO ring In sync with CO ring signal (it will choose onepattern if more than 1 CO Line is ringing at thesame time)Intercom ring 0.250S on, 0.250S off, 0.250S on, 1.250Soff, repeatedlyTransfer ring 1S on, 1S off, repeatedlyID Error ring ContinuouslySingle Beep 0.250S onDouble Beep 0.250S on, 0.250S off, 0.250S on, 0.250S offIntercom Tonesdial tone continuousbusy tone 0.5S on, 0.5S off, repeatedlyDND tone 0.25S on, 0.25S off, repeatedlyring back tone 1S on, 1S off, repeatedlyStation InitializationThe telephone will perform initialization during the first sevenseconds that a. c. power is applied. The LCD will display:During initialization, the telephone will perform self-diagnosticsand determine if other system telephones are connected. It willindicate if its station number is already used by another stationby continuous ringing. If the telephone has the factory defaultsettings, the LCD will display:"01/01 01:00A" The default time."EXT 11" The default station number."PowerFail" The phone was just turned on. (Thisprompt will cancel if any key ispressed or the phone goes off-hook.)"press PROG to This is displayed if the phone is withsetup your phone" factory default settings when the a. c.adapter is plugged in. (This promptwill be canceled if the [PROGRAM] ispressed.)0 1 / 0 1 0 1 : 0 0 AE X T 1 1 P o w e r F a i lp r e s s P R O G t os e t u p y o u r p h o n eI n i t i a l i z i n g . .NSQ412 Four-Line Caller ID Telephone Owner’s Manual 17