Manual V. Automatic Operation; Originate V. Answer Mode - Tandy DCM212 Operation Manual

Description
of
the
DCM212
When
opened
for
programming by
the
wake up
or attention
code
se-
quence, the
DCM212
will
automatically synchronize the speed
rate,
word
length, parity,
and
stop-bit
numbers
(communications
protocol)
of your computer
system.
2.
One
modem
must
be
in originate
mode
and
the other
must be
in
answer
mode.
Usually,
when you
call
another computer,
you
should
be
in originate
mode.
When
you
receive a
call,
you
should
be
in
answer
mode.
Manual
v.
automatic operation
When
you want
to dial
an
information
service
(such
as
CompuServe
or
Dow
Jones) or
communicate with another person
whose
computer
is
also
using
VIDTEX,
set
the
Modem
to
manual
operation
mode.
In
this
mode, you can
control
what
the system does
by manually
dialing
and
answering
the
phone.
When
you want
the
DCM
212
to dial
a
phone number
or
answer
the
phone
for
you,
set
it
to
automatic operation
mode.
In
this
mode,
the
Modem
dials
the
phone number you
store in
its
memory
or answers
the
phone
when someone
calls
you.
Automatic mode,
for instance,
lets
you
dial
the
information
service
number
without picking
up
the
phone
—
just
type the
number
along with the proper
DCM
212
programming
commands
on
the
computer
keyboard.
Originate
v.
answer
mode
To
place
a
call
to
an information
service
or
another person
using
VIDTEX,
set
the
DCM
212
to originate
mode. In
this
mode,
the
call
originates
from
your computer.
When
you want
to
receive
a
call
(an-
swer the phone),
set
the
DCM
212
to
answer mode. Note
that originate
and
answer
modes
can be used
either
manually
or automatically.
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