Sharp QS-2770A QS-2770A/2760A/1760A Operation Manual - Page 3

Introduction, Operational, Notes, Contents

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INTRODUCTION Thank you for your purchase of the SHARP electronic calculator, model QS-1760A/ 2760A/2770A. Your SHARP calculator is specially designed to save work and increase efficiency in all business applications and general office calculations. Careful reading of this manual will enable you to use your new SHARP to its fullest capability. OPERATIONAL NOTES To insure trouble-free operation of your SHARP calculator, we recommend the following: 1. The calculator should be kept in areas free from extreme temperature changes, moisture, and dust. 2. A soft, dry cloth should be used to clean the calculator. Do not use solvents or a wet cloth. 3. Turn off the power switch prior to connecting or disconnecting the AC cord. 4. If service should be required on this equipment, use only a SHARP servicing dealer, a SHARP approved service facility or SHARP repair service where available. Note: Unless otherwise specified, the text material applies to all three models. CONTENTS • THE KEYBOARD • OPERATING CONTROLS • INK RIBBON REPLACEMENT • PAPER TAPE REPLACEMENT • ERRORS • DECIMAL SYSTEM • CALCULATION EXAMPLES • SAMPLE APPLICATIONS • SPECIFICATIONS 1 Page 2 3 10 11 12 12 13 26 29

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INTRODUCTION
Thank
you
for
your
purchase
of
the
SHARP
electronic
calculator,
model
QS
-1760A/
2760A/2770A.
Your
SHARP
calculator
is
specially
designed
to
save
work
and
increase
efficiency
in
all
business
applications
and
general
office
calculations.
Careful
reading
of
this
manual
will
enable
you
to
use
your
new
SHARP
to
its
fullest
capability.
OPERATIONAL
NOTES
To
insure
trouble
-free
operation
of
your
SHARP
calculator,
we
recommend
the
following:
1.
The
calculator
should
be
kept
in
areas
free
from
extreme
temperature
changes,
moisture,
and
dust.
2.
A
soft,
dry
cloth
should
be
used
to
clean
the
calculator.
Do
not
use
solvents
or
a
wet
cloth.
3.
Turn
off
the
power
switch
prior
to
connecting
or
disconnecting
the
AC
cord.
4.
If
service
should
be
required
on
this
equipment,
use
only
a
SHARP
servicing
dealer,
a
SHARP
approved
service
facility
or
SHARP
repair
service
where
available.
Note:
Unless
otherwise
specified,
the
text
material
applies
to
all
three
models.
CONTENTS
Page
•
THE
KEYBOARD
2
•
OPERATING
CONTROLS
3
•
INK
RIBBON
REPLACEMENT
10
•
PAPER
TAPE
REPLACEMENT
11
•
ERRORS
12
•
DECIMAL
SYSTEM
12
•
CALCULATION
EXAMPLES
13
•
SAMPLE
APPLICATIONS
26
•
SPECIFICATIONS
29
1