Teletype 43 Teleprinter Basic RO, Service Manual

Page: 63 / 222

TEST STEP
27
nterrupt
igh
peed
28
29
30
MANUAL 406, 1-53
PROCEDURE
RESPONSE
Connect Ring Indicator to Data Term Ready.
No response.
(Not Momentarily, Held On)
----
---- --
Hold CTRL key depressed and
key. (Dscnt)
Disconnect Ring Indicator
from Data Term Ready.
AB MESSAGE is printed.
(DTR momentarily turns
off. Simulates auto
answer AB)
-- --
No response.
A is printed.
Depress
5�"
key.
Depress
�
key.
FULL DUPLEX key goes
DUPLEX
OUt.
Depress
AA
is
printed.
=
Depress key.
key.
Depress key.
Disconnect Data Set Ready and
Carrier Detect from Data Term
Ready.
Connect Rate Indicator, Data Set Ready and
Carrier Detect to Data Term Ready in
FULL DUPLEX key lights.
Bell rings and INTRPT key
lights. Operation of key­
�oard causes bell to
INTRPT key goes out.
TERM ON LINE key goes
out and TERM READY key
lights.
----
-
that order.
--
--
-- --
--
--
--
--
TERM ON LINE key lights
and TERM READY key
goes out.
Depress !""'FE" key.
1
[NTER
Enter two full lines of the
character M (Rept M) and
wrx
end second line with CTRL
C
.
(MsEnd)
BUFFER ENTER key lights.
KP key goes out.
Two full lines of M's are
printed.
Depress key. (Store)
lights. Print
head returns to left
boundary and paper feeds
one line.