Using Ptc-64; Functions - Radio Shack TRS-80 Operation Manual

Ptc-64 printer controller
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specifying
the
hex
code, use
009F.
The
first
two
zeros are ignored
by
the printer but
counted
by
Scripsit.)
Suppose
that
you
define
the
letter
W
to
be
the
ohms
symbol.
The
sample
screen
below,
shows
the Printer
Control
Codes
display with the
letters
V
and
W
defined
for the
TRANSLATE
Sequence and
the
ohms
symbol
respectively.
Having
defined
the
two
Print
Control
Cod
es,
yo
u
can
go
into
a
Scripsit
file
and
whenever
the
ohms
symbol
is
desired,
simply
press
(CTRP fXl and
CD,
the Print
Control Character
to
enable
the special characters
(it is
only necessary
to
enable
the special
characters
once).
Then
press the
tCTRLjQD
plus
CD,
the Print
Control Character
for the
ohms
symbol.
For example,
in
the sentence:
The
Sreek letter
o
m
e 3
a
»
Ti
,
has come
to
represent
resistance
-
a
basic
measurement
of
opposition
to
the
flow
of
current
in
any
electronic circuit.
you
can send
the
TRANSLATE
sequence anywhere
before
the
ohms
symbol
is
sent.
Remember
that
nothing
is
p
rinted
when
the
TRANSLATE
sequence
is
sent.
Then
to
send
the
ohms
symbol,
just
type
(CTRD
CD
plus
CD-
Using
PTC-64
Functions
In the
same
way
that special
characters
are
defined
in
the Printer
Control
Codes,
you
may
use
the
PTC-64's
other functions
(CLEAR, COPY, PAUSE,
and
Controls
ON/OFF).
We'll use
the
PAUSE
function
as
an example:
When
the
PAUSE
sequence
is
used
from
a Scripsit
file,
printing will stop
temporarily
until
the
PAUSE
key on
the
PTC-64
front
panel
is
pressed.
18

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