Specifications
TROUBLESHOOTING
CHAPTER
V
TROUBLESHOOTING
This section explains basic
guidelines
for the
care
and
feeding
of the
terminal
and for
simple troubleshooting should
a
problem arise
in
operating
the
unit.
5.1
MAINTENANCE
If
handled carefully,
the
terminal requires
no
maintenance.
5.2
TROUBLESHOOTING
If
the
terminal
won't
turn
on
the
terminal
doesn't seem
to
be
communicating
with
the
host
nothing
is
displayed when
you
type
the
display
is
jumbled
you
can't seem
to
print
Check
that
the
power switch
is on;
the
AC
cord
is
plugged
into
the
wall;
the
wall outlet
is
"live"
(plug
in a
working
radio);
and
the
terminal's
fuse
is not
blown (see Figure
1
-4).
the
I/O
cable between host
and
terminal
is
properly
connected
(to the
terminal's
primary
port);
the
communications mode
is
CONV;
the
primary port
is
working properly (see primary port
test
below).
the
keyboard cable
is
plugged
into
the
display unit;
the
keyboard
is
unlocked
(To
unlock, press
CTRL/SHIFT/RESET).
the
baud rate
of the
primary port matches that
of the
host;
the
number
of
data bits matches that
of the
host;
the
parity
matches
that
of the
host;
the
screen
is NOT set for
Monitor mode
(to
turn
off
:
press
CTRL72)
the
printer's port
and
terminal's auxiliary port
are the
same
type (e.g., RS232C);
the
I/O
cable between terminal
and
printer
is
properly
connected (and
pin
signal assignments
match);
the
number
of
data bits matches that
of the
printer;
the
parity matches that
of the
printer;
the
number
of
stop bits matches that
of the
printer;
the
baud rate
is set
properly (see Section
3.8);
the
printer port
is
working properly (see printer port
test
below);
the
printer
test
below works.
5-1