OSAKI JP-NEXUS 4D Massage Chair Instruction Manual

July 16, 2024
Osaki

Instruction Manual

JP-NEXUS 4D Massage Chair

| Rest & Sleep| A program designed to provide a mild massage that is great for deep relaxation. This is the program to help improve the quality of lunch break and sleep. The mild massage kneads body parts from heavy strength to light one, from light to no strength to help soothe tired body gradually. Product features front and rear swing function that takes
you into the fantasy space swinging state and a thorough relaxation, best used before going to sleep.
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| Thai Stretch| This massage will stretch your calf muscles and hamstrings with a combination of gentle tapping, kneading, rolling, and air compression.
This massage is inspired from Thai Massage, the strong kneading and stretch of the body can effectively stretch legs, it’s the best choice to relax tired muscles and increase physical vigor.
| Gentle| A full body gentle massage includes Kneading and Heating, designed for daily use.
| For Athletics| An auto programme generated by the system, focus on the tension points collected from athletics, especially promote
the body circulation system to improve the muscle recovery after exercise.
| Full Back Massage| A full body massage, mainly focus on your full back with a deep massage that includes air compression to relieve the
symptoms of lumbar spine pain.
| For Her| A full body gentle massage includes Kneading and Heating, specially designed for female.
| For Him| A full body strong massage includes Kneading, specially designed for the male.
| Neck & Shoulders| A full body massage, mainly focus on your neck and shoulders with a slow massage that incorporates soothing heat
to relieve neck and back pain symptom. The curve design of the chair backrest makes the massage rollers completely fit the shoulders and the neck, which can effectively relieve fatigue and stiffness.
| Lower Back, Waist and Hips| A full body massage, mainly focus on your lower back, waist and hips with a deep massage that includes air  compression to relieve full body pain.

Backrest Scanning Instructions )

A body scan is performed every time the power is on and the user selects an Auto Mode, it is designed to ensure an accurate and personalized massage for every individual.
After the power is on, sit on the chair slowly with your back against the chair back, your head against the pillow so the massage sensors can detect your Shoulder Height and the whole back position.
The Tablet Control gives beep sounds when completing a body scan. When micro- adjustment is needed, just touch Roller up/down , then to start massage.
Make sure the body scan is finished correctly for the best massage.
Once body scan in completed, it will skip to the massage status page without further actions.

Note:
Heating, foot rollers can be turned on/off manually during any auto mode, see below.

MANUAL MASSAGE PROGRAMS

6*2 massage functions on demand.
Kneading, Shiatsu, Swedish, Knocking, Tapping, Rolling.

  • Touch to choose a manual massage function for a full back massage at medium strength.
  • Manual setting modes can not be combined with other modes.
  • The default setting is spot-specific massage with medium width.
  • Speed and width are adjustable by touching relative keys.
KEYS DESCRIPTION GUIDELINES
Roller Spot/ Partial Massage Touch Spot to activate localized Spot Massage

while the original massage mode continues to run at the latest position.
Touch Partial to activate Partial Massage, rollers take the latest massage spot position as the center, and will travel approximately 3 inches up or down. Only effective under manual massage mode.
| Full Back Roller| Full Back Massage.
| Roller Width| Every touch will change the massage width interval in the sequence of WIDE>MEDIUM>NARROW. Only effective under manual massage mode.
| Roller Up or Down| Up or down adjustment.

ADJUSTMENTS

Zero-gravity is based on the NASA space capsule relaxation theory. Using the back, seat, and the leg rest, the chair puts the heart and knee at the same level, reducing the blood circulation pressure. Not only that, but all the gravitational forces can be dispersed to the massage chair, reducing heart and spine pressure.

Zero Gravity Angle Adjustment

KEYS DESCRIPTION GUIDELINES
Angle Adjustment
Key for Legrest Leg Up

Long-press this button, the legrest will move up to the top position, release this button, legrest stops moving.
Leg Down
Long-press this button, the legrest will move down to the lowest position, release this button, legrest stops moving.
| Angle Adjustment
Button for Backrest| Back Up
Long-press this button, the backrest will move up to
the original position, release this button, backrest stops moving.
Back down
Long-press this button, the backrest will move down
to the lowest position, release this button, backrest stops moving.
| Zero Gravity
Function Control| Touch this button to activate the zero gravity position, and choose from Zero Gravity model, Zero Gravity mode 2 and Zero Gravity mode 3.

Other Adjustments

KEYS DESCRIPTION GUIDELINES
Roller Intensity SLOW / MEDIUM / FAST

Only effective under manual massage mode.
| Kneading Speed| 5 levels kneading speed adjustments.
| Tapping Speed| 5 levels tapping speed adjustments.
| Air Intensity| 5 levels tapping air intensity adjustments.

Sounds,Volume,Bluetooth,Touch-tone selection

SETTINGS

BLUETOOTH INSTRUCTIONS
Play Mobile Music/Bluetooth speaker:
Turn on Bluetooth of mobile, then select Bluetooth device of massage chair (MC1810). Once paired, it can act as speaker when mobile phone is playing music. (Remarks: No Password)

GROUNDING INSTRUCTIONS

This product must be grounded. If it should malfunction or break- down, grounding provides a path of least resistance for electric current to reduce the risk of electric shock This product is equipped with a cord having an equipment-grounding conductor and a grounding plug. The plug must be plugged into an appropriate outlet that is properly installed and grounded in accordance with all local codes and ordinances.
DANGER – Improper connection of the equipment-grounding conductor can result in a risk of electric shock. Check with a qualified electrician or serviceman if you are in doubt as to whether the product is properly grounded.
Don’t modify the plug provided with the product – if it does not fit the outlet; have a proper outlet installed by a qualified electrician.
This product is for use on a nominal 120-volt circuit and has a grounding plug that looks like the plug illustrated in sketch A in the following figure. Make sure that the product is connected to an outlet having the same configuration as the plug. No adapter should be used with this product.  Earthing
This massage chair belongs to Level One electrical appliance, make sure to use three-core power supply socket and to guarantee the ground wire connected to the power supply socket has obtained good ground connection to avoid electric leakage, electric shock
and some other negative effects during use.

ON/OFF INSTRUCTIONS

  • Make sure that the chair is in its original position before using.
  • Before sitting down, make sure there is nothing pinched between the armrest, rest, backrest and the seat of the  chair.
  • Make sure there are no children, pets or anything else within the range of the backrest to avoid unexpected injury or property loss.
  • When adjusting the backrest, be careful of the gap between the backrest and armrest.
  • Empty pockets and remove all your arm jewelry and watch before using this chair.
  • When the footrest is moving, please do not stand up or leave from the seat, don’t stop the legrest from moving to avoid damage to the chair.

On

  • Plug the cord into the power supply socket.
  • Plug the other end of the cord into a wall outlet.

OFF

  • Double check to make sure there are no people, pets or anything within the range of backrest and footrest.
  • Press (1) on the controller to stop massage, wait until the backrest and legrest restore to the original position.
  • Wait until the chair returns to the upright position.
  • Switch off the power.
  • Unplug the electricity from the socket to avoid any unexpected hurt to children or pets.
  • Clean the chair if necessary.

CARE AND MAINTENANCE

STORAGE

  • Please power off the chair and unplug the chair from the power supply socket when the chair is not in use, to avoid children to start the chair accidentally.
  • Please disconnect the controller, store the chair carefully if is not in use for a long time.
  • Do not dismount the hock of the chain.
  • Keep the massage chair free of dust.
  • Cover the chair with dust-free cloth to prevent dust from collecting. Do not store in a hot, humid, damp place or in direct sunlight or heat. Do not store in an overly cold places.

MAINTENANCE

  • Before cleaning, unplug from electrical source to avoid shock.

Synthetic leathtic
General cleaning

Clean with tidy, soft and dry cloth. (Chemical or medical cleaning products are forbidden) If Synthetic leather is dirty

  • Dip soft cloth into 3-5% neutral detergent solution, squeeze it then clean the stain on the surface gently.
  • Wash cloth, squeeze it and wipe with detergent.
  • Clean it softly with dry cloth.
  • Allow to dry, do not blow dry.

Fabric material

  • Dip cloth into weak neutral detergent, squeeze it and clean the material surface. (Diluent, gas, alcohol are prohibited)
  • Brush the dirty parts tm with weak neutral detergent. (avoid excessive brushing)
  • Excessive cleaning may cause damage to cloth material.
  • Wipe with water-dipped but squeezed cloth.
  • Allow to dry.

Plastic parts

  • Dip cloth into neutral detergent, squeeze it ANARR} and clean.
  • Wipe with water-dipped but squeezed cloth.
    • Allow to dry.

Clean the controller

  • Wipe with soft cloth D after squeezing.
  • Allow to dry.
  • Propellant, diluent or alcohol are prohibited.

About cleaning

  • Before cleaning, unplug the electricity, don’ t touch the plug with wet hands.
  • Make sure hands are dry when plugging to the socket.
  • Fail to follow these instructions may cause user to experience electric shock.

TROUBLESHOOTING GUIDE

KIND REMINDER
Please always check if the following phenomenons exist:

  • If there is scorched smell
  • If the power supply cord gets hot
  • When touch the wire, the power is on, but sometimes off
  • Other abnormal phenomenons
  • If any of the above happens, please turn off power supply and contact the distributor or manufacturer for assistance.

TROUBLESHOOTING GUIDE

Problems/Issues Possible Cause Troubleshooting
Sounds like tapping or hum sounds Sounds from air pump, motor or other
mechanical parts. Normal phenomenon.
Sound suddenly becomes much louder while working Check if it is due to long
time working. Turn off the power to have the massager rest for over half an

hour before next turn working.
Inner parts worn out from long use.| Please contact professional technician.
Abnormal sounds suddenly while working| Overworking the massage chair.| Cut down usage.
Contact professional technician.
Suddenly stops working| Bad power connection| Unplug and reinsert power cord to thechat
Auto program timers is up| Normal. Turn off the power to have the massager rest for over half an hour before next turn working.
Does not work after power up| Power switch is not turned on.| Tum power switch on.
Bad connection between plug and socket.| Connection power cord again.
Massage remote is not turned on.| Press power button on the remote.
Have broken power wire plug.| Contact professional technician.
Bad fuse.| Replace fuse.
Control unit for functioning properly.| Contact professional technician.
Roller height changes| Rollers work alter- nately.| Normal phenomenon.
Cannot recline the chair| Obstruction-be sure that the chair is allowed enough room to fully recline.| Stop chair opearion, and move obstruction.
Contact professional technician.

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