Casio SF-3900ER User Manual

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8
7. Press SET to reset or any other key to abort.
e Initial settings after RESET
Home Time Zone: New York (NYC)
Home Time: 12:00 AM, January 1, 2000
World Time Zone: London (LON)
12/24-Hour Setting: 12-hour
8. Replace the battery compartment cover.
m@ Keep written copies of important data.
CASIO COMPUTER CO., LTD. assumes no responsibility for any damage
or loss caused by deletion of data as a result of malfunction, repairs, or
removal of both batteries.
@ Important Precautions
e Keep away from direct flame.
e Keep away from heat: direct sunlight, near heaters, etc.
e Never try to disassemble the unit.
e Clean exterior only with a soft cloth moistened in a weak solution of a mild
neutral detergent and water.
Items described in this manual are subject to change without notice.
CASIO COMPUTER CO., LTD. assumes no responsibility for any loss or
claims by third parties which may arise from the use of this product.
@ About the EL backlight
e This unit is equipped with an EL backlight that allows easy viewing of
display contents in a theater, or anywhere else where lighting is dim. .
e Note, however, that frequent or extended use of the EL backlight shortens
battery life. :
The following shows how backlight use affects battery life under controlled
test conditions.*
Backlight Operation Battery Life
Twice per day Approximately 1 year
Approximately 6 months
10 times per day
E-4
* Test Conditions
°
“Battery
Life”
is
the
time
before
battery
failure
when
the
unit
is
left
on
for
one
hour
each
day
(5
minutes
operation.
55
minutes
display
only,
no
operation).
with
one
alarm
operation
and
Hourly
Time
Signal
turned
on.
plus
the
number
of
backlight
operations
shown
above
e “Backlight Operation’ is the number of tirnes the hackdiqhtis turned an (far
eight
seconds)
per
hour
during
display
only
(no
aperation).
To use the backlight
Pressing LIGHT turns on the backlight.
¢
The
backlight
turns
off
automatically
about
eight
seconds
after
the
last
LIGHT
button
operation.
e Press LIGHT again to turn the backlight off
m@ About the Low Battery Message
Replace
the
batteries
as
soon
as
possible
after
the
“BATTERY
LOW’
message appears.
e
When
battery
power
is
low
the
“BATTERY
LOW"
message
will
appear
after
you
press
ON/OFF,
TEL.
SCHE/EXP
MEMO/TO
DO.
TIME/ALARM
or
CAL/CONV.
If
you
continue
to
operate
the
unit
without
battery
replacement.
power
will
switch
off
automatically
¢
The
Daily
Alarm,
Schedule
Alarm
and
backlight
vill
not
operate
while
battery
power
is
low.
To adjust display contrast
1.
Press
CAL/CONV
to
enter
the
Calculator
Morte.
2.
Press
#
to
increase
contrast
{making
the
figures
on
the
display
darker)
or
¥
to
decrease
contrast
(making
the
figures
lighter).
“Timekeeping Function __
Each
press
of
TIME/ALARM
changes
between
the
Home
Time.
World
Time
and
Alarm.
E-5

Casio SF-3900ER Specifications

General

Brand	Casio
Model	SF-3900ER
Category	Organizer
Language	English