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COMMAND 980 - SYSTEM STATUS DISPLAY
Page 110
System Status Display shows the status of
Dial
tone detectors,
the
Tona Generator.
OTMF
Re-
ceivers and diJgnostlc
tests.
Register 1
Status
of
OTMF
Receivers
1-5
o
=idle
1 • busy
2 •
busied-out
- • receiver not equipped