Casio DS-1L User manual

DS-1L/2L/3L
Operating Instructions
Bedienungsanleitung
Mode d’emploi
Instrucciones de operacion
Istruzioni per l’uso
F
EGFSI Printed in Japan/Imprimé au Japon
A900 12-O32007C
1/General Guide
*All examples in these instructions show DS-3L.
@ Main Key Functions
Sign Change Key
Switches the sign of the displayed value between positive (+) and negative (- ).
(=) Right Shift Key
Shifts the displayed value to the right, deleting the far right digit.
Example: | Operation Display
To change 1234 to 1235 Homa 1'234
(=)(Deletes 4) 123. |
5) 1'235. |
{4s} Time Key
¢ Specifies input value as a time (sexagesimal) value.
e Switches the displayed value between decimal and time (sexagesimal) format.
F CUT UP 5/4 7
o> Rounding Selector
Specifies the rounding system.
F: Floating decimal point system, which displays the value without rounding.
CUT: Cuts off the decimal to the specified* number of places.
UP: Rounds up the decimal to the specified” number of places.
5/4: Rounds off the decimal to the specified* number of places.
*Use the decimal place selector to specify the number of decimal places.
4321 0 ADD:
@ 7 Decimal Place Selector
Specifies the number of decimal places for rounding. Note that the decimal place selec-
tor
is
valid
whenever
the
rounding
selector
is
in
any
position
other
than
F.
4, 3, 2, 1, 0: Number of decimal places for the CUT, UP and 5/4 setting of the Round-
ing Selector.
@WeError Indicator
The error indicator “‘E” appears on the display whenever any of the following condi-
tions exist. To clear an error, press &@ to clear the error and continue with the calcula-
tion,
or
to
clear
the
entire
calculation.
* Whenever the integer part (the value to the left of the decimal point) of a calcula-
tion’s intermediate result or final result becomes greater than 14 digits (12 digits with
the DS-2L, 10 digits with the DS-1L). Along with the error indicator, an approxima-
tion of the value appears on the display. The following table illustrates the value that
appears when you attempt to perform the calculation: 123,456,789 x 7,418,529 :,
915,867,769,443,380
Model Display
_ DS-3L 9.158677694433E
DS-2L_ | — 915.867769443
DS-1L E 91'586.77694
*
Whenever
the
integer
part
of
the
value
stored
in
independent
memory
or
grand
total
memory
is
greater
than
14
digits
(12
digits
with
the
DS-2L,
10
digits
with
the
DS-1L).
At
this
time,
the
display
shows
“‘0.”,
but
the
memory
retains
the
value
it
had
before
the
overflow
occurred.
¢
Whenever
an
attempt
is
made
to
perform
division
by
zero
(as
in
6
GJ
0).
* Whenever the profit in a mark-up calculation is 100%.
¢ Whenever an attempt is made to calculate the square root of a negative value.
3/Power Supply
The Two-Way Power System of this calculator uses a solar cell, in addition to one
CR2025 lithium battery. Unlike calculators equipped with a solar cell only, you can
use this calculator under virtually any lighting conditions, as long as there is enough
light for you to read the display.
Battery Replacement
Do not try to replace the battery yourself. Have it replaced by an authorized CASIO
dealer or service center.
If the display becomes dim and difficult to read, or if nothing appears on the display
when you press (especially when lighting is dim), you probably need to have the
battery replaced.
* Have the battery replaced at least once every seven years, regardless of how much
you use the calculator during that time.
* The battery installed at the factory discharges during shipment and storage. You may
need to replace the original battery sooner than seven years after you purchase the
calculator.
¢ A dead battery can leak and damage the calculator if left in the battery compartment
for long periods.
eEven if the battery goes dead, you can still use the calculator under solar power.
Remember, however, that memory contents will be cleared if available light drops
below a certain level while there is no battery power.
M@ Auto Power Off Function
This calculator is not equipped with an OFF switch. Instead, it switches power off au-
tomatically about six minutes after the last key operation is performed. To restore power,
press egg. Even if the Auto Power Off function operates to clear memory, the contents
of the independent memory are not cleared.
4/Important Precautions

a:
re
SW
Cc
yes
HS
arsprayea
Value
DEIWEET!
UCUIITAD
ain
wire
query
ee
Rounding
Selector
Specifies
the
rounding
system.
F:
Floating
decimal
point
system,
which
displays
the
value
without
rounding.
CUT:
Cuts
off
the
decimal
to
the
specified*
number
of
places.
UP:
Rounds
up
the
decimal
to
the
specified~
number
of
places.
5/4: Rounds off the decimal to the specified* number of places.
*Use the decimal place selector to specify the number of decimal places.
4321 0 AOD.
@ > Decimal Place Selector
Specifies the number of decimal places for rounding. Note that the decimal place selec-
tor is valid whenever the rounding selector is in any position other than F.
4, 3, 2, 1, 0: Number of decimal places for the CUT, UP and 5/4 setting of the Round-
ing Selector.
ADD2: The “Add Mode” automatically adds a decimal point and two decimal places
to all values, even if you don’t input a decimal point. This mode is very useful
when performing calculations in dollars or other monetary systems that require
two decimal places. Two decimal places are not added in this mode if you press
the G] key while inputting a value, or for any operation other than addition and
subtraction.
GT-OFF ON
Ca Grand Total Memory Selector
You can perform the following calculation with the Grand Total Memory Selector in
either the ON or OFF position. When ON, the result produced when you press EJ is
added to grand total memory. When off, the result is not added.
¢ Other key operations are shown under “Example Calculations”.
H About the Display
The display shows the number you input, calculation results, and various indicators
showing the status of the calculator.
‘ :3-digit separator
This symbol is also used to indicate minutes in a time display.
™*: Seconds indicator (time display)
GT: Grand total memory indicator
M : independent memory indicator
E : Error indicator
— : Negative value indicator
K : Constant calculation indicator
EIREE: Arithmetic operation indicators
2/Correcting Input Errors
*To completely clear a value you have just input, press @.
*To shift a displayed valued digit-by-digit to the right, press ) until you get to the
digit you want to re-input from.
¢ lf you input the wrong hour, minutes or seconds (time calculations) but have not yet
pressed (tw), just input the correct values. .
¢ If you input a wrong time calculation value and press {], press [@ to completely clear
the time input and start again from the beginning. ;
elf you press the wrong arithmetic operation key (&3, GJ, EY. GJ), simply press the
correct key before inputting anything else.
@ Clearing Calculations
*To clear the calculator completely (except independent memory), press G8.
¢To clear the independent memory only, press (Md.
for long periods.
eEven
if
the
battery
goes
dead,
you
can
still
use
the
calculator
under
solar
power.
Remember,
however,
that
memory
contents
will
be
cleared
if
available
light
drops
below
a
certain
level
while
there
is
no
battery
power.
@ Auto Power Off Function
This calculator is not equipped with an OFF switch. Instead, it switches power off au-
tomatically
about
six
minutes
after
the
last
key
operation
is
performed.
To
restore
power,
press egy. Even if the Auto Power Off function operates to clear memory, the contents
of the independent memory are not cleared.
4/\Important Precautions
«Never allow this calculator to be exposed to direct flame.
*Avoid use and storage under temperature extremes. Do not place the calculator in
direct
sunlight,
near
windows,
near
a
heater,
or
anywhere
else
where
it
is
subjected
to
high
heat.
Heat
can
lead
to
discoloration
or
warping
of
the
case,
and
can
even
damage internal circuitry.
*
Under
very
low
temperatures,
display
response
may
slow
down
or
fail
entirely.
This
condition
is
temporary
and
operation
should
return
under
normal
temperatures.
¢
Avoid
use
and
storage
in
areas
subject
to
excessive
moisture,
dirt,
and
dust.
Direct
contact
with
liquids
and
dust
can
damage
internal
circuitry.
e
Avoid
dropping
the
calculator
and
otherwise
subjecting
it
to
severe
impact.
Never bend or twist the case.
e Never try to take the calculator apart.
*Do not use a pen, pencil, or other sharp object to press keys.
¢ To clean the exterior of the calculator, wipe it off with a soft cloth dampened in a
weak solution of a mild neutral detergent and water. Be sure to wring out any excess
moisture from the cloth before wiping off the calculator. Never use benzene, thinner,
or any other volatile agent to clean the calculator. Doing so can wipe off the figures
printed on the case or otherwise damage its finish.
eThe contents of these instructions are subject to change without notice.
*
CASIO
Computer
Company,
Ltd.
assumes
no
responsibility
for
any
loss
or
claims
by third
parties
which
may
arise
from
the
use
of
this product.
5/Specifications
Model: DS-1L/2L/3L
Number of Digits: DS-iL: 10
DS-2L: 12
DS-3L: 14
Memory: independent and Grand Total Memory
Rounding: Selectable from among floating-point, round up, round off, cut off, and Add
Mode
Number of Decimal Places: Selectable (0, 1, 2, 3, 4)
Power Supply: Two-Way Power System, with solar cell and one CR2025 lithium battery
Battery
Life:
Approximately
7
years
for
CR2025
lithium
battery
(1
hour
per
day
of
operation)
Auto Power Off: Switches power off approximately six minutes after last key operation.
Operating Temperature: 0°C to 40°C (32°F ~ 104°F)
Dimensions: 48(H) x 144(W) x 194(D) mm (17/8’H x 5°/s"’W x 7°/8’’D)
Weight: 300 g (10.6 02z) (including the battery)