click the clock
for time change info

Time Change:

CTX /CIX: 28, 40, 100,200,670 TIME CHANGE	Any Display phone.  Handset On Hook Press, Intercom, #652 Time In Military Time  HH/MM/SS Press the pound (#) key
CTX /CIX: 28, 40, 100,200,670  DATE CHANGE:	Any Display Phone.  Handset On Hook Press Intercom (Extension Button) #651 Enter the date: YY/MM/DD Press the pound (#) key

Time Change Toshiba DK8,16,24, 56, 96	Main Phone (Ext.200) Handset On Hook Intercom, 652 Time In Military Time HH/MM/SS, Redial
Time Change Toshiba DK280, DK16e, DK40, DK424i	Main Phone (Ext. 200 or the Operator's Telephone) Handset On Hook Press Intercom (Extension Button) #652 Time in Military Time HH/MM/SS, Redial

 Handset set in cradle press intercom

 Date Change