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Spooler
Mechanism
a
The Spooler has both takeup and supply spools for perforated tape, which automatically
maintain proper tension during reading.
F O R M A T S
Tapes may be read o r punched in standard 5, 6, 7 o r
8
channel codes using Chad sprocket
hole spacing and with the following tape widths:
5
channel
11/16 inch
6 or 7 channel
7/8 inch
8
channel
1 inch
a
The sprocket hole of the tape s e r v e s a s a timing source and must be present with every tape
character.
5 and 6 Channel Code Characters
All code combinations a r e recognized. The presence of a hole in the sprocket hole channel, only,
indicates
a
tape leader o r tape s t r i p character and i s sensed
as
a valid character.
5 Channel
Sprocket
5 4 S 3 2 1 +Channel
number
P
Punch position
Example of 5-channel Perforated Tape
6 Channel
6 5 4 8 3 2 1
Example of 6-channel Perforated Tape
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