Texas Instruments TI Programmable 57 User Manual

APPENDIX
B:
IN
CASE
OF
DIFFICULTY
In
the
event
that
you
have
difficulty
with
your
calculator,
the
following
instructions
will
help
you
to
analyze
the
problem.
You
may
be
able
to
correct
your
calculator
problem
without
returning
it
to
a
service
facility.
If
the
stiggested
remedies
are
not
successful,
contact
the
Consumer
Relations
Department
by
mail
or
telephone
(refer
to
“If
You
Have
Questions
or
Need
Assistance”
later
in
this
appendix).
Please
describe
in
detail
the
symptoms
of
your
calculator.
Symptom
Remedy
1.
Display
is
blank
for
no
obvious
|
Press
and
hold
momentarily,
If
reason.
display
returns,
the
calculator
was
running
a
long
program
or
operating
in
a
continuous
program
loop.
The
battery
pack
may
be
discharged
or
improperly
installed.
Also,
check
to
be
sure
the
ON-OFF
switch
is
fully
in
the
ON
position.
2.
Display
shows
erroneous
The
battery
pack
is
probably
results,
flashes
erratic
discharged
or
improperly
connected,
numbers,
grows
dim,
or
goes
Refer
to
Battery
and
AC
Operation
in
blank.
appendix
A.
3.
Display
flashes
while
An
invalid
operation
or
key
sequence
performing
keyboard
has
been
pressed
or
the
limits
of
the
operations,
calculator
have
been
violated,
See
Appendix
C
for
a
list
of
these
conditions.
If
none
of
the
above
procedures
corrects
the
difficulty,
return
the
calculator
and
charger
PREPAID
and
INSURED
to
the
applicable
SERVICE
FACILITY.
If
the
calculator
is
out
of
warranty,
service
rates
in
effect
at
time
of
return
will
be
charged.
Please
include
information
on
the
difficulty
experienced
with
the
calculator
as
well
as
return
address
information
including
name,
address,
city,
state
and
zip
code.
The
shipment
should
be
carefully
packaged,
adequately
protected
against
shock
and
rough
handling
and
sent
to
one
of
the
Texas
Instruments
Service
Facilities
listed
with
the
warranty.

Texas Instruments TI Programmable 57 Specifications

General

Brand	Texas Instruments
Model	TI Programmable 57
Category	Calculator
Language	English