Casio SF-4400 Owner's Manual page 5

PART 1 Gatting Started
About the Power Supply
« Qo not press the keys with a pen, pencil or other sharp object.
« The SF Unit may cause interference with radio or television reception. Keep
it away from such appliances when you are using it.
About the Power Supply
The SF Unit is powered by two CR2032 lithium batteries.
About battery life
Replace batteries as soon as possible whenever you notice either of the
following: 7
* No display when you switch power on.*
» Dimming or failure of the display during operation.
* Vary cold temperatures (below 5°C) may affect the lithium batleries and
cause the unit to fail to switch on, In this case, correct operation should
resume once the unit rerurns to normal temperature.
Caution
+ All data stored in memory is lost if you remove both batteries at the
same time.
« Be sure that you keep a separate copy of all important data that you
store in the SF Unit.
Battery Precautions
Incorrectly using batteries can cause them to burst or leak, possibly damaging
the interior of the SF Unit. Note the following precautions.
» Be sure that the positive (+) side of each
battery is facing up (so you can see it).
12
14
PART 1 Getting Started
To replace the batteries
1.
Loosen the screw on the back of the
SF Unit that holds the battery
compartment cover in place, and
remove the cover,
Loosen the screw that secures one
of the two battery holders in place
and remove the battery holder.
Caution
Be sure to remove only one battery at a time.
Otherwise, you will lose all data stored in memory,
3.
enon
a
Replace the old battery with a new
one, making sure that the positive (+)
side of the new battery is facing up
{so you can see it).
Replace the battery holder and secure it by tightening its screw.
Be careful that you do not over tighten the screw.
Repeat steps 2 through 4 for the other battery,
Be sure to replace both batteries. Never mix oid batteries with new
ones, and be sure to use CR203z2 lithium batteries only.
After you replace all two batteries, replace the battery compartment cover
and secure it by tightening its screw.
Be careful that you do not over tighten the screw.
* Never mix batteries of different types.
« Never mix old batteries and new ones.
« Never leave dead batteries in the battery compariment.
»
Remove the batteries if you do not plan to use the SF Unit fora long period.
« Replace batteries at least once every two years, no matter how much you use
the SF Unit during that period.
* Never try to recharge the batteries supplied
with the SF Unit.
/
* Donot expose batteries to direct heat, fet them become shorted, or try to take
them apart.
Keep batteries out of the reach of small children. if swallowed, consult with
a physician immediately.
13
General Guide
General Guide
Home/World Time
key
—
.- Menu key
Cursor Keys
Dispiay
Keyboard
Connector Terminal Lock
About the cursor key...
The cursor key itself is not actually marked with arrows. To make the
explanations in this manual as easy to understand as possible, however,
we will refer to specific cursor keys as noted in the illustration below.
4) :
<> ,
"Ge
&)
15