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Appendix F
Service and Warranty
Servicing
Low Power
All decimal points
li
ght
to warn
you
that you
have 2
to 5
minutes
of
operating
time
left. You must then either:
•
Operate from
ac
power
•
Charge the
battery pack
•
Insert a fully
charged
battery pack
Blank Display
If
the display bl
anks
out,
turn the
HP-80 off
then
on. If 0.00 does not
appear
on
the
display,
check
the
following:
1.
If battery
charger
is
attached to
HP-80,
make sure it is plugged
into outlet.
2.
Examine
battery pack
to see
if
it is
discharged or is
not making
contact.
3. If display
is still
blank,
try
operating the
HP-80
from the ac
line.
4. If display is
still
blank, the
HP-80
is defective
(see
warranty
section).
Warranty
In Warranty
The
HP-80
is
warranted against defects
in
materials and workmanship
for one year
from
date of
delivery.
During
the warranty
period
we will
repair
or
replace components
that prove to be
defective,
provided
they
are
returned to
Hewlett-Packard according
to
instructions
(see Ship-
ping Instructions).
No other warranty is expressed or implied. We are
not
liable
for consequential
damage.
Out of Warranty
Beyond the
one year
warranty period,
your
calculator will
be
repaired
for a moderate charge.
Return the
HP-80 along with all standard ac-
cessories (see
Shipping
Instructions).
If
only the battery pack
is defec-
tive,
simply order
a
replacement on
the
Order
Card
provided.
73
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