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 temperature increases, there is a danger of 
burn injury.
•	The instructions in this manual have been prepared 
so that they can be applied to the range of needs of 
general users. If the user is not included in the range, 
the recommendations should be applied according to 
the user’s needs.
•	Images may differ from actual products.
Ergonomic tips
Maintaining a proper posture during computer use is very 
important to prevent physical injury. Improper or prolonged 
keyboard use may result in repetitive strain injury. Viewing the 
monitor screen for extended periods of time may result in eye 
strain. Therefore, please follow these guidelines carefully when 
setting up and using the computer.
Back and neck   
						

							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 using an external keyboard 
and mouse, position the devices at the same height as the 
computer and within comfortable reach.
Arms and hands   
						

							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 least 50 cm away from your eyes.
•	Adjust the height of the screen so that its top edge is equal to 
or just below the level of your eyes.
•	Avoid setting the screen’s brightness settings excessively high.
•	Keep the screen clean.
•	If wearing glasses, clean them before using the computer.
•	When referring to printed content while typing, use a static 
paper holder to hold the paper at about the same height as 
the monitor.   
						

							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 frequently used items within reach.
•	Use the computer only within the temperature and humidity 
ranges specified in this manual.   
						

							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 connected. In this case, reconnect the power 
plug.
•	You must insert the power plug when the power indicator 
light (LED) is lit green. If the plug is connected properly, the 
power indicator light remains green. 
Otherwise, the power indicator light turns off. In this case, 
disconnect the plug, verify that the power indicator light is 
green and then reconnect the power plug.   
						

							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 jack
2
 
1
2
Using an auto adapter
When a 12VDC power supply is available a cigarette lighter socket 
will be provided. Use the optional auto adapter to use the 12VDC 
power supply.
1 Insert the cigarette lighter plug of the auto adapter into the 
cigarette lighter socket.
2 Connect the DC plug of the auto adapter to the power input 
port of the computer.
Auto adapter
Cigar socket of the airplane
DC plug
Cigar plug
2
1   
						

							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 the head may result in 
suffocation.
Safety precautions
This safety information relates to computer use. Some of the 
content may be not applicable to your computer. To prevent injury 
or damage to your computer, read the safety information before 
using it.
•	Since this is commonly applied to Samsung Computers, 
some pictures may differ from actual products.
•	The term “product,” as used in this manual, refers to 
basic components, such as the computer, battery, 
adapter and optional accessories provided by 
Samsung.
NP v3.7    
						

							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 substance enters the 
product, disconnect the power cord and 
contact the Samsung Service Center. For 
notebook computers that are provided with 
an external removable battery, separate the 
battery also.
Damage to the device within the computer may 
cause electric shock or fire.
Power related
The power plug and wall outlet figures may differ 
depending on the country specifications and the product 
model.
Handle the power cord with care.
•	Do not touch with wet hands.
•	Do not use a damaged or loose power 
cord.
•	Use only specified voltage/capacity.
•	Firmly insert the power cable into the AC 
adapter.
•	Do not unplug the power cord by pulling 
the cable only.
•	Unplug the wall-mount AC adapter 
(adapter and plug integrated type) from 
the wall outlet while holding the body and 
pulling it.
Failure to do so may result in electric shock 
or fire.   
						

							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 (RTC) 
battery, keep it away from infants and children.
If a child swallows the battery, the child may 
suffocate. If this happens, immediately contact a 
doctor.
Keep the power cord or outlet clean with a dry 
towel so that they are not covered with dust.
Failure to do so may result in electric shock or 
fire.
Do not bend or damage the power cable or 
the AC adapter with a heavy or sharp-edged 
object.
A damaged cable or cord may result in electric 
shock or fire.
Battery usage related
Keep the battery, AC adapter, and the power 
cord away from infants and pets.
Failure to do so may result in electric shock or 
computer malfunction.
Use only Samsung-approved battery and AC 
adapter.
Batteries or AC adapters that are not approved 
by Samsung may malfunction from a defective 
safety device, resulting in an explosion or fire.   
						

							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 or liquid.
Water or liquid entering the computer may cause 
a short circuit inside the product, resulting in 
electric shock or fire.
Usage related
Do not use the computer on heated floors or 
electric pads, or on beds, blankets, or cushions 
that block the ventilation of the computer.
In these environments, be careful not to block 
the vent of the computer, which is normally at 
the side or bottom of the computer. A blocked 
vent causes the computer to overheat, resulting 
in an explosion, fire, burns, or computer 
malfunction.
Do not use the computer in very damp 
locations such as a bathroom.
Failure to do so may result in computer 
malfunction or electric shock. Use the computer 
within the recommended temperature and 
humidity range (10–35 °C, 20–80 % RH).