Kyocera YAKF 1 User Manual
Safety Precautions
Mark
Descriptions
This device is only sold in JAPAN.
For proper handset use, carefully read Safety Precautions beforehand. Keep this guide
for future reference.
Observe these safety precautions to prevent injury or damage to property.
KYOCERA accepts no liability for any loss or damages incurred by you or a third party
as a result of missed c alls, etc., d ue t o m alfunction, e rroneous o peration or failure of
this product.
Labels
Symbols
Handset, B attery, U SIM C ard, A C Charger, Micro U SB Cable (Sold S eparately), E arphone
Adapter Cable & microSD Card (Sample)
Battery
Handset
USIM Card & microSD Card (Sample)
AC Charger, Micro USB Cable (Sold Separately)
Handset Use & Electronic Medical Equipment
Labels
Risks o f injury or d amage from i mproper use are c ategorized by l evels. U nderstand these l abels
before reading this guide.
Great risk of death or serious injury1 from improper use
Risk of death or serious injury1 from improper use
Risk of injury2 or damage to property3 from improper use
1 Serious injury includes: Loss of eyesight, physical injury, high temperature burns, low temperature
burns, electric s hock, fractures, poisoning and ot her conditions having s ide ef fects or r equiring
hospitalization or longterm treatment.
2 Injury includes: Physical burns (high-temperature and low-temperature), electric shock, and other
Mark
Descriptions
conditions not requiring hospitalization or long-term treatment.
3 Damage to property includes: Incidental damage t o structures and household property and/or to
pets and livestock.
Symbols
Make sure you understand the following symbols and precautions before reading this guide.
Action prohibited
Disassembly prohibited
Exposure to liquids prohibited
Handling with wet hands prohibited
Action compulsory
Unplug power cord
Handset, Battery, USIM Card, AC Charger, Micro USB Cable (Sold Separately), Earphone Adapter Cable & microSD Card (Sample)
Use KYOCERA specified devices (battery, AC Charger, Earphone Adapter Cable, or Micro USB
Cable) only.
Use of n on-specified devices m ay cause battery t o l eak, overheat, r upture or i gnite; o r m ay cause
Charger/Micro USB Cable/Earphone Adapter Cable to overheat, ignite or malfunction.
Do not disassemble/modify/solder handset.
May cause fire, injury, electric shock or malfunction. Also, battery may leak, overheat, rupture or ignite.
Modifying handset is a violation of the Radio Law and subject to penalty.
Do not charge, use or leave handset in places subject to high temperatures (near an open
flame or heating equipment, in direct sunlight or inside a car on a hot day).
May cause deformation or malfunction; or may cause battery to leak, overheat, ignite or rupture. Also,
the outer housing may become hot resulting in burns.
Handset may become hot after prolonged use, especially in high-temperature conditions.
Skin contact for extended period when hot may cause low-temperature burns.
Do not use excessive force to attach battery, AC Charger, Micro USB Cable or Earphone
Adapter Cable to handset.
Battery or AC Charger may be the wrong way around. Battery may leak, overheat, rupture or ignite.
Do not place handset, battery, AC Charger, Micro USB Cable or Earphone Adapter Cable in a
microwave oven or pressure cooker, or on an induction cooktop.
May cause battery to leak, overheat, rupture or ignite; or may cause handset, AC Charger, Micro USB
Cable or Earphone Adapter Cable to overheat, emit smoke, ignite or malfunction.
Turn off hands et when entering gas stations or other places where flamma ble gases (propane
gas, gasoline, etc.) or fine particulates generate. Be sure to turn off handset beforehand. Do
not charge battery in such places.
Gases may ignite.
Using handset near petrochemicals or other flammables may cause fire or explosion.
Do not drop/throw handset or expose it to excessive shock.
May cause battery to leak, overheat, rupture or ignite; or may cause fire, electric shock or malfunction.
If you notice an unusual sound, odor, smoke, etc. while using, charging or storing handset,
immediately:
1. Unplug AC Charger from outlet.
2. Turn handset power off.
3. Remove battery from handset, being careful of burn or injury.
Continued use may cause fire or electric shock.
Do not charge when handset is wetted.
May cause el ectric shock or s hort circuit l eading to malfunction or fire. Malfunction due to charging
while wetted is not covered under warranty.
Your handse t is waterproof. However, discontinue use if water or other liquid enters handset
(External Device Port Cover, Battery Cover, etc.).
Using handset as is may cause overheating, fire, or malfunction.
Keep liquids ( wat er, pet urine, etc.) and conductive materials ( e.g . pencil lead, metal f rag men ts,
metal necklaces, hairpins, etc.) away from External Device Port.
May cause short circuit, resulting in fire or malfunction.
Do not place handset on an uneven or unstable surface.
Handset may fall, leading to injuries or handset malfunction. Be particularly careful while charging or
when vibrator is activated.
Do not touch handset, battery, AC Charger, or Micro USB Cable for extended period when
Symbol on Label
Battery Type
Li-ion00
Lithium-ion
powered externally.
May cause low-temperature burns.
Do not leave in presence of corrosive chemicals or gases.
May cause malfunction, resulting in loss of internal data.
Do not use in high humidity.
Humidity w hen worn on bo dy m ay c ause m alfunction. M alfunction det ermined t o b e due t o w ater
entering handset or humidity is not covered under warranty.
Keep handset out of reach of infants.
Failing to do so may result in small parts being accidentally swallowed or may cause injury.
When a child uses handset, parent supervision is advised. Provide child with proper
instructions.
Failing to do so may cause injury, etc.
Battery
Read battery label to confirm battery type; use/dispose of battery accordingly.
Do not short-circuit the (+) and (-) terminals.
May cause battery to rupture, ignite, or overheat.
Do not insert battery in handset with (+) and (-) reversed.
May c ause bat tery t o r upture, i gnite, or ov erheat. If t here i s t rouble i nserting bat tery, do not force
battery and check connection points.
Do not dispose of battery in fire.
May cause battery to leak, rupture or ignite.
Do not damage (nail, hammer, stomp, etc.) battery or subject it to strong impacts/shocks.
May cause battery to leak, overheat, rupture or ignite.
Keep metal objects (pins, etc.) away from battery terminals. Do not carry or store conductive
materials (e.g. pencil lead, metal fragments, metal necklaces, hairpins, etc.) together with
battery.
May cause battery to leak, overheat, rupture or ignite.
If battery fluid gets into eyes, immediately rinse with clean water and consult a doctor. Do not
rub eyes.
Failing to do so may result in loss of eyesight.
Never handle with wet hands.
Battery is not waterproof.
Do not wet ba ttery ( water, sea water, pet urine, etc.). D o no t c harge a w etted battery. W etting may
cause battery to overheat, rupture, or ignite.
If battery f luid g ets on your skin or cloth in g, immed iat ely st op h andset use and rin se with clean
water.
Battery fluid may harm your skin.
If battery is not fully charged even after specified charging time, stop charging.
Battery may leak, overheat, rupture or ignite.
If you notice an unusual odor, overheating, discoloration, deformation, etc. while using,
charging or storing battery , remove it from handset and keep it away from fire. B e careful not to
burn or injure yourself.
Continued use may cause battery to leak, overheat, rupture or ignite.
Keep battery away from pets.
Bites may cause battery to leak, overheat, rupture or ignite, or cause device malfunction or fire.
Do not dispose of battery with other waste.
Bring used b attery to a WILLCOM Plaza/WILLCOM Counter or r ecycling c enter a fter insulating t he
terminals with tape. Be sure to observe local regulations on battery disposal.
Do not remove sticker wrapped around battery.
May cause malfunction.
Do not forcibly insert/remove battery.
May damage battery or Battery Cover, and cause injury.
Handset
Check your surroundings to confirm that it is safe to make/receive calls, send/receive
messages, take pictures or record videos, play games, or access the Internet.
Failing to do so may cause you to trip over or cause a traffic accident.
Be careful with volume of a headset.
Difficulty hearing around you may result in an accident.
Difficulty hearing around you may result in an accident.
Not following items 1 to 4 below and “Water & Dust Resistance” may cause handset to ignite, overheat,
or malfunction, or may cause scratches or electric shock.
1 Do not use submersed (including key operation).
2 Do not immerse in liquid other than room temperature fresh water or tap water.
3 Do not subject to water flow s tronger than r ating (IPX5, IP X7) or leave in w ater for an ex tended
period.
4 Do not place on sand (beach, etc.)
Do not use while operating a vehicle (car, motorcycle, bicycle, etc.)
May cause a traffic accident. Use of a mobile phone while driving is prohibited by law, and is subject to
penalty. Stop vehicle in a safe location (where parking is allowed) before using handset.
Keep handset power off near high precision electronic devices or devices using weak signals.
Handset may cause these devices to malfunction.
Devices that may be affected:
Hearing ai ds, i mplanted c ardiac pacemakers, i mplanted d efibrillators and other el ectronic m edical
equipment; fire alarms, automatic doors and other automatic control devices.
Display uses reinforced glass. If glass breaks due to shock (being dropped) or extreme force,
do not touch with hands, feet, etc.
May cause injury. If glass breaks, discontinue use and visit a WILLCOM Service Center or KYOCERA
Technical Service Center.
Keep handset power off aboard aircraft.
When in-flight use is permitted, observe airline instructions.
If you have a weak heart, be careful with incoming call vibrator and ringtone volume settings.
These may affect your heart.
If thunder is heard while outside, immediately turn handset power off and seek shelter.
Failing to do so may attract lightning and cause electric shock.
Do not point Infrared Port at eyes.
May impair vision.
Do not turn on or shine Light near someone’s eyes. Do not look directly at Light when it is on.
Also do not point Light at someone else and turn it on.
May cause harm such as loss of eyesight. Especially, do not photograph infants up close. May also
temporarily affect eyesight or startle, leading to injury or other accident.
If handset becomes damaged or contents exposed, do not touch broken or exposed part s.
May c ause el ectric s hock or i njury. D iscontinue us e and visit a WILLCOM Service C enter or
KYOCERA Technical Service Center.
Do not gaze at a bright or flashing screen in a dark location.
Only rarely, screen brightness or flashing can cause symptoms in individuals such as convulsions or
loss of consciousness. See a doctor beforehand if you have such history.
Do not expose Camera Lens to direct sunlight for extended period.
Since Lens collects light, may cause handset to ignite or a fire.
Use handset normally with External Device Port Cover and Battery Cover secured.
If unsecured, m ay al low dus t, w ater, et c. t o ent er an d c ause el ectric s hock or malfunction d ue t o
short-circuiting.
Be sure to watch One-Seg in well-lit conditions and hold Display away from you.
May impair vision.
Never use a modified handset.
Using a m odified ha ndset i s a v iolation o f the R adio Law . H andset i s c ertified as c ompliant w ith
technical regulations as specific radio equipment based on the Radio Law, indicated by a mark on
handset.
Such certification is nullified if handset interior is modified. Using handset with certification nullified is a
violation of the Radio Law and should never be used in such state.
Be careful of objects attaching to Receiver.
Receiver is magnetic. Pieces of metal (tacks, pins, cutter blades, staples, etc.) can be magnetized and
cause unexpected injury. Check Receiver before use.
Do not use handset in a vehicle if it affects in-vehicle electronic devices.
Use of handset in some types of vehicles may, in some rare cases, affect in-vehicle electronic devices
and interfere with safe driving.
If skin abnormality occurs with use of handset, immediately discontinue use and consult a
doctor.
Handset contains metals, etc. D epending on your physical condition, you may experience itchiness,
rash, etc.
For more information, see Materials.
Keep magnetic cards, etc. away from handset.
Failing to do so may cause magnetic data on a cash card, credit card, telephone card or floppy disk to
be lost.
Do not swing handset by Strap, etc.
Handset may strike you or persons around you, or Strap may break and cause injury, malfunction, or
damage.
Handset may become hot during prolonged use.
Skin contact for extended period may cause low-temperature burns.
Be careful with volume of a headset.
Prolonged use may impair hearing, and sudden loudness may hurt ears.
Use handset in temperatures between 5°C–35°C and humidity within 35 %–85% (limited use in
temperatures between 36°C–40°C).
Malfunction det ermined to be due t o us e i n ex tremes b eyond t hese r anges i s not c overed u nder
warranty.
Remove protective Display sheet before use.
Using handset with sheet attached may cause injury. Be careful of injuring fingers when removing.
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