Samsung Ativ Book 9 Manual

Appendix
71
•	Use an adjustable chair with firm, comfortable support.
•	Adjust the height of your chair so that thighs are horizontal to 
the floor and feet are flat on the floor.
•	The back of the chair should support the lower back. Adjust 
the backrest to fit your body properly.
•	Sit back fully in your chair and straighten the back and neck. 
Avoid leaning forward or craning your neck toward the 
computer screen.
•	Avoid using the computer while lying down or on your lap. 
If the computer’s...

Appendix
72
•	When using the keyboard and touchpad, the shoulders 
should be relaxed. The upper arm and forearm should form an 
angle that is slightly greater than a right angle, with the wrist 
and hand in almost a straight line.
•	Use a light touch when typing or using the touchpad and 
keep the hands and fingers relaxed. Avoid rolling the thumbs 
under your palms or supporting the wrists on the desk while 
typing.
•	Use an external keyboard and mouse when using the 
computer for long periods. When...

Appendix
73
Hearing and volume control
VOLUME
Check your volume!
•	Ensure that volume is not too loud before using headphones.
•	Avoid using headphones for long periods of time.
•	Default audio settings can be changed by software and driver 
updates without your knowledge. Always recheck equalizer 
and volume settings before listening to audio.
•	To prevent possible hearing damage, do not listen at high 
volume levels for long periods.
Eye position and display illumination
50cm
•	Position the screen at...

Appendix
74
Operating conditions
•	Take at least a 10 minute break every hour.
•	Avoid using the computer in dark locations. Use the computer 
with as much ambient light as you would when reading a 
book.
•	Indirect illumination is recommended. Use a curtain to 
prevent reflections and glare on the screen.
•	While operating a computer and talking on the phone, use a 
headset. Using the computer while holding a phone on your 
shoulder or with your neck may lead to muscle strain or injury.
•	Keep...

Appendix
75
Power Indicator Light (LED)Center Holes
220V Power Plug 110V Power Plug
Good Example O
Wrong Example X
Battery
Charging the battery on an airplane
Power outlets may vary by airplane. Choose the connection 
method that fits your circumstances.
The power plug and auto adapter figures may differ from 
the actual products.
Using an AC power plug
Insert the power plug pins into the center of the power outlet.
•	If the pins are not inserted into the centers of the holes, they 
will not be fully...

Appendix
76
Using an airplane charging converter
Depending on the type of airplane you are travelling on, use the 
auto adapter and charging converter. Insert the airplane power 
input jack into the airplane’s power outlet.
1 Connect the auto adapter’s DC plug to the computer.
2 Connect the airplane charging converter (optional) to the 
auto adapter (optional).
3 Insert the airplane power input jack into the power outlet.
Auto adapterCharging converterPower outlet of the airplane
DC plug Cigar plug DC...

Appendix
77
Warning
Failure to follow instructions marked with this symbol may cause 
personal injury and even fatality.
Installation related
15cm
Keep the computer at least 15 cm away from 
any object.
Failure to do so may result in computer 
malfunction or injury.
Do not place or use the computer on slanted or 
vibrating places.
Failure to do so may result in computer 
malfunction or damage.
To avoid danger of suffocation, keep the plastic 
bag away from infants and children.
Putting a plastic bag over...

Appendix
78
Connect the power cord to the AC adapter 
firmly.
Otherwise, there is a danger of fire due to an 
incomplete contact.
Use only the AC adapter supplied with the 
product.
Using another adapter may cause the screen to 
flicker. 
Use only properly earthed electric sockets or 
extension cords.
Connecting to unearthed electric sockets or 
extension cords does not protect users from 
earth faults. Unearthed electric sockets or 
extension cords may cause electric shock or fire.
If water or another...

Appendix
79
Take care not to allow metal objects such as a 
key or clip to touch the battery terminal (metal 
parts).
This may cause excessive current and result in 
fire, burns, or damage to the battery.
If the product leaks, emits strange odors, or 
swells, immediately stop using the product and 
contact the Samsung Service Center.
Failure to do so may result in an explosion or fire.
To use the computer safely, replace a dead 
battery with a new, authorized battery.
When removing the real time clock...

Appendix
80
Never heat the product or put the product 
into a fire. Do not put or use the product in a 
hot location such as a sauna, inside a vehicle 
exposed to heat, and so on.
There is a danger of explosion or fire.
Before cleaning the computer, disconnect all 
the cables that are connected to the computer. 
For notebook computers that are provided 
with an external removable battery, separate 
the battery also.
Failure to do so may result in electric shock or 
fire.
Keep the product away from water...