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Replacing paper supply roll and ink ribbon,cleaning the types,
changing the line spacing options, readjusting printing impact
f o r m u l t i c o p y w o r k i n g
6 .
During all these operations your machine is not ready for reception. As a
result, measures must be taken to prevent acall from reaching your tele¬
printer. This is accomplished in the following manner:
Automatic exchange systems
First depress the calling key in the remote control unit and then pull
out the power plug. Acalling subscriber will then receive the busy
signal and may dispatch his message at alater time. When the paper
supply has been renewed etc., depress the clearing key of the re¬
mote control unit and replace the power plug.
This makes the teleprinter ready for operation again. It should be
noted that an alarm signal will be actuated in the telegraph office
a f t e r 4 t o 5 m i n u t e s . T h i s w o r k s h o u l d t h e r e f o r e b e c a r r i e d o u t a s
quickly as possible.
Manual exchange systems
Inform the exchange operator that your machine will be taken out of
service for the next few minutes and then pull out the power plug.
When the work has been completed, insert the power plug again and
inform the exchange accordingly.
P o i n t - t o - P o i n t c i r c u i t
Inform the distant station of the intended work and pull out the power
plug. After renewing the paper supply etc. and inserting the power
plug, inform the distant station that your machine is ready for opera¬
tion again.
7
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