Specifications

Error tone -
560 msec. tone burst
incorrect entry
sounded three times
uu
Busy tone - intercom
560 msec. tone bursts
1 u Ll u U U L
Called station in do-not- 140 msec.tone burst
disturb mode
sounded twice every sec.
Fasy busy tone
System isawaiting 70 msec. tone bursts sounded
memory dial number
continuously
or key mapping entry
after location is specified
,.