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o
4. To generate a Vertical Tab hole in Channel
o
(SPROCKET HOLES)
o
5, press and hold the CONTROL key and
o
BETWEEN CHANNELS 3 & 4
o
then press Q.
o
o
o
o
5. To generate a hole in both Channels 5 and
o
..--+-
VERTICAL TAB
o
7 (Vertical Tab and Top of Form), press
o
CHANNELS
the P key alone.
o
TOPOFFORM
o
o
CHANNEL7
o
6. To space the tape between holes, press and
SPACING
o
(1/10"
PITCH)
000:0
0
0
hold the CONTROL and SHIFT keys, then
o
press P. One sprocket hole will be gener
o
o
ated each time the P key is pressed.
o
o
o
o
7. After the tape has been fully generated,
press the HERE IS key to generate a rear
trailer of sprocket holes. Remove the tape
from the reader.
USING TELEPRINTER TO
GENERATE A TAPE
SPACING:
CONTROL SHIFT & P
Splicing the Tape
CHANNEL 5:
CONTROL Q
CHANNEL 5 & 7:
ASCIIP
1. As shown in. Figure 6-7, overlap the two
ends of the tape (A and B) and place the
Figure 6-6. Vertical Format Tape
sprocket holes over one another to prop
erly align the two ends. Arrange the splice
sprocket holes, located between channels 3 and 4,
so that the distance between consecutive
have a 1/10 inch pitch between holes. Channel 5
Form Feed holes is the same all around the
defines the Vertical Tab format and channel 7 the
tape.
Top-of-Form format. The tape reader and the
paper feed mechanism are mechanically linked so
that each line feed advances both the paper by
SPROCKET
one line and the paper tape by one sprocket hole.
Reception of a Vertical Tab code advances the
paper (and tape) to the next hole in Channel 5.
For example, if the holes in Channel 5 are spaced
six sprocket holes apart, each Vertical Tab will
advance the paper six lines (one inch).
Similarly, reception of a Form Feed code or
pressing the TOP OF FORM switch advances the
paper (and tape) to the next hole in Channel 7.
On the standard paper tape shipped with the
printer, Vertical Tab holes are spaced six sprocket
holes apart in Channel 5, (corresponding to a
I-inch tab) and Top of Form holes are spaced 66
sprocket holes apart in Channel 7 (corresponding
to an II-inch form).
Generating a Master Tape
Figure 6-7.
Sp~icing
a Paper Tape
To generate a master tape on a teleprinter
unit, use the following procedures:
1. Turn LOCAL Switch on teleprinter unit to
2. Use perforated splicing tape to hold both
extreme clockwise position.
ends of the tape together.
2. Turn punch switch to ON (use black
Duplicating the Tape
opaque tape only).
Insert the master tape in a teleprinter tape
reader and lock it in. Turn the switch to START
3. Press HERE IS key several times to gener
and a duplicate tape will be punched automati
ate a tape leader.
cally.
SERIAL PRINTERS
6-5
AT04
HOLE
VERTICAL TAB
HOLES
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