Delta phone system manual for the 824 and 1232.

 

 

Galaxy Communication's Delta series key system manual and installation guide, 1985.  A few of these older systems are still hanging on, but time will come soon when the need to replace an existing Delta happens, as by now they are pushing beyond even a long, long lifecycle.

Delta

824 & 1232

Delta 824-1232 User Guide & Installation Manual
 

About Galaxy Communications

Galaxy Communications made these Delta key system phone systems in the 1980s. Perhaps there are still a few in operation.