OSIM® uAstro2
™
792590_INS_uAstro2 Massage Chair
Instructions Doc. Size: 5.5”W x 8.5”H Output at 100% Prints 1/0 Black
OS-820 uAstro2
Thank you for purchasing the OSIM uAstro2. Before you start using the uAstro2, please
read the operation manual thoroughly for the correct methods of usage, especially taking
note of the section on safety.
Call our Delivery Support Team at 866-336-3199 if you have questions during delivery,
or damage at time of delivery.
This manual should be kept on hand for easy reference. It is your guide to safe and
efficient operation.
TABLE OF CONTENTS
Cautions and warnings .........................................................................................................................................1
Names of parts and functions ........................................................................................................................6
Features and effectiveness ..............................................................................................................................9
Preparation before use .......................................................................................................................................10
Massage programs and selections .............................................................................................................15
Product care and storage ..................................................................................................................................19
Troubleshooting ..........................................................................................................................................................20
Specifications ..............................................................................................................................................................22
Warranty ...........................................................................................................................................................................25
1
IMPORTANT SAFETY INSTRUCTIONS
When using the massage chair, basic precautions should always be followed, including
the following: Read all instructions before using this massage chair.
DANGER – To reduce the risk of electric shock:
1. Always unplug this massage chair from the electrical outlet immediately after
using and before cleaning.
2. Never use pins or other metallic fasteners with this appliance.
3. Carefully examine the covering before each use. Call for service if the
covering shows any sign of deterioration, such as blistering, peeling or cracking.
4. Keep dry—Do not operate in a wet or moist condition.
WARNING – To reduce the risk of burns, fire, electric shock or injury
to persons:
1. READ ALL INSTRUCTIONS BEFORE USING.
2. A massage chair should never be left unattended when plugged in. Unplug from
the outlet when it is not in use and before putting on or taking off parts.
3. Close supervision is necessary when this massage chair is used by or near children or
disabled persons. Keep children away from reclining backrest and extended leg rest.
4. Use this massage chair only for its intended use as described in this manual.
Do not use attachments not recommended by the manufacturer.
5. Never operate this massage chair if it has a damaged cord or plug, if it is not
working properly, if it has been dropped or damaged, or dropped into water.
Contact Brookstone Customer Service at 866-336-3199.
6. Keep the cord away from heated surfaces.
7. Never operate the massage chair with the air openings blocked. Keep the air
openings free of lint, hair, and the like.
8. Never drop or insert any object into any opening.
9. Do not use outdoors.
10. Do not operate where aerosol (spray) products are being used or where oxygen
is being administered.
11. To disconnect, turn all controls to the off position, then remove the plug from
the outlet.
12. Do not stand on or in the massage chair. Use only while seated.
13. The product is not intended for use by children or persons with reduced physical,
sensory or mental capabilities, or lack of experience and knowledge, unless they
have been given supervision or instruction concerning use of the product by a
person responsible for their safety.
792590_INS_uAstro2 Massage Chair
Instructions Doc. Size: 5.5”W x 8.5”H Output at 100% Prints 1/0 Black
2
14. Children should be supervised to ensure that they do not play with the product.
15. Use heated surfaces carefully. May cause serious burns. Do not use over insensitive skin
areas or in the presence of poor circulation. The unattended use of heat by children or
disabled persons may be dangerous.
16. Temperatures sufficiently high to cause burns may occur regardless of the control
setting. Do not use on an infant or invalid or on a sleeping or unconscious person. Check the
skin in contact with the heated area of the appliance frequently to reduce the risk of blistering.
17. Burns may result from improper use.
18. Do not crush—avoid sharp folds.
19. Keep children away from extended foot support (or other similar parts).
20. DO NOT WET—DO NOT USE PINS.
21. NEVER REMOVE COVER.
22. Connect this appliance to a properly grounded outlet only. See Grounding Instructions.
SAVE THESE INSTRUCTIONS
This massage chair is intended for household use only.
1. Usage Environment
• Do not use the uAstro2 in an excessively humid or dusty environment
as this may result in malfunction or electric shock.
• Do not use the uAstro2 in a room with a temperature of 104° F or higher.
• Do not expose the uAstro2 to heaters, stoves or direct sunlight.
• Place and use the uAstro2 on an even, non-slip floor.
• The uAstro2 is designed for home use and not for commercial purposes.
Caution
• The uAstro2 is to be used indoors only.
• If you use the uAstro2 in a cold room, do not increase the room temperature abruptly.
It is recommended that you increase the temperature gradually to a normal level.
• If the uAstro2 is stored in a cold place and is being brought into a warm environment,
it is advisable to wait one hour before use. This is because its performance may not
be at optimum level, as there may be water droplets on the mechanical parts due to
condensation. Using the uAstro2 under such conditions may result in malfunction.
IMPORTANT SAFETY INSTRUCTIONS (continued)
3
2. Safety Precautions
• To ensure safe and correct use of the uAstro2, do not operate it without reading
this operation manual carefully.
• Do not use the uAstro2 when the upholstery or seat is removed. This may cause injury
or malfunction.
• Do not use the uAstro2 in combination with other therapeutic equipment or electric
blanket, etc., as this may result in ineffectiveness or injury.
• Do not use the uAstro2 an hour before or after eating as this may have adverse effects
on the user.
• Do not allow children or pets to play around the uAstro2, e.g., behind the backrest,
under the seat or leg rest of the uAstro2. This may result in injury.
• Do not rest or place heavy objects on the armrests, leg rest or backrest as this
may result in malfunction or injury.
• Do not use the uAstro2 when your body is wet.
• Do not operate the uAstro2 with wet hands.
• It is not recommended to use the massage for more than 15 minutes.
• Do not perform continuous massage on the same spot of your body for more
than 5 minutes at a time as this may result in excessive stimulation and may have
adverse effects.
• Do not insert your hand or foot along the paths of the massage rollers during
use as this may cause injury.
• Stop operation immediately if you experience any discomfort.
• This product is not intended for self-treatment of conditions that should be managed
by a qualified health care provider.
• People on medication or with medical conditions, please consult your doctor
before use. Please do not use the product if you are not feeling well.
• Remove all scarves, neckties, necklaces and jewelry before using the massager.
3. People with Medical Conditions
Consult your doctor before use if you:
• are under medical rest as ordered by a doctor.
• have spinal disorders, an abnormal spinal condition or have suffered
a spinal injury.
• have back problems.
• have diabetes, osteoporosis or sensory impairment.
• have joint dysfunction.
• have a pacemaker or other electronic medical devices.
• may be pregnant.
• have phlebitis or thrombosis.
• have an increased risk for blood clots.
• had recent surgery.
• have surgical pins, screws, or anything mechanical implanted in your body.
Safety
792590_INS_uAstro2 Massage Chair
Instructions Doc. Size: 5.5”W x 8.5”H Output at 100% Prints 1/0 Black
4
Caution
• The uAstro2 is not intended for use by children or persons with reduced physical,
sensory or mental capabilities, or lack of experience and knowledge, unless they have
been given supervision or instruction concerning use of the uAstro2 by a person
responsible for their safety.
• Children should be supervised to ensure that they do not play with the uAstro2.
• Avoid using the uAstro2 under the influence of alcohol.
• Do not apply massage rollers directly on the head, elbow or knee joints, torso
or abdomen.
• If your legs or feet slip off the leg rest during massage, do not force them back in as
this may result in injury.
• Remove the power plug from the electrical outlet immediately should liquid be
accidentally spilled onto the uAstro2. Do not use wet hands to connect or
disconnect the power plug from the electrical outlet.
• Do not tamper with the power cord or use the uAstro2 with a damaged cord as this
may result in malfunction and electric shock.
4. Instances When the uAstro2 Should Not Be Used
In the following events, please switch off the main power switch immediately and
disconnect the power cord from the electrical outlet:
• If water is accidentally spilled onto the uAstro2. This may result in electric shock
or malfunction.
• If the fabric of the backrest is torn and the internal components are exposed.
• If pain or discomfort is felt during massage, stop operation immediately
and consult your doctor.
• If you detect any malfunction or any other abnormal condition during operation.
• If there is a power failure. Injury may occur when power is restored unexpectedly.
• If there is lightning.
5. Assembly and Repair of the uAstro2
• Do not disassemble the backrest cover of the uAstro2. Touching the internal
components may result in malfunction or electric shock.
• The uAstro2 must only be professionally serviced or repaired. Do not attempt
to disassemble or repair the uAstro2 yourself.
Safety
5
6. Things to Note About the Power Plug and Cord
• Check that the Alternating Current (AC) voltage corresponds with the specifications
indicated for the uAstro2.
• Do not connect or disconnect the power plug from the electrical outlet with
wet hands. This may result in malfunction or electric shock.
• When disconnecting the power plug, pull it by holding the plug, not the cord.
• Although operation will be stopped automatically by the Auto-Timer function,
always remember to switch off the main power switch after use.
• Do not place the power cord under the uAstro2 or any other heavy objects.
• Do not wind the power cord around the uAstro2 as this may damage the cord
and result in a fire or electric shock.
• Do not operate the uAstro2 with a damaged cord or extension cord.
• Do not use the uAstro2 if the electrical outlet is loose.
• If the power cord is damaged, it should be replaced by a qualified technician.
7. Grounding Instructions
This product must be grounded. If it should malfunction or break down, grounding provides
a path of least resistance for the electric current to reduce the risk of electric shock.
This product is equipped with a cord with 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 service technician if you are in doubt as to
whether the product is properly grounded. Do not modify the plug provided with the product—
if it will not fit the outlet, have a proper outlet installed by a qualified electrician.
This product is for use on a nominal 120V circuit and has a grounding plug that
looks like the plug illustrated below. 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.
Safety
792590_INS_uAstro2 Massage Chair
Instructions Doc. Size: 5.5”W x 8.5”H Output at 100% Prints 1/0 Black
6
Names of parts and functions
1. Headrest
2. Shoulder massage unit
3. Arm massage unit
4. Seat
5. Leg rest
6. Backrest pad
7. Backrest
8. Armrests
9. Backrest cover
10. AC plug*
11. AC cord
12. Controller
13. Controller side pocket
14. Casters
15. Main power switch
6
7
8
2
1
3
4
5
9
13
12
15
14
11
10
*Parts may differ from those shown in illustration.
7
Names of parts and functions
Controller
Safety stop button
To stop chair operation
immediately. Rollers will not
return to storage position.
To raise or recline the
backrest and leg rest.
Chair recline buttons
Refer to page 15 for details.
Automatic massage
program buttons
Roller adjustment
button
To adjust the roller position
after initialization during
automatic, localized and
focus mode programs.
Power ON/OFF. Switching off
the power while in operation
will cause the rollers to return
to their storage position.
Power button
To pause
massage program.
Pause button
LCD display
To display information on
timer, massage intensity,
speed and roller position, etc.
To raise or lower the
leg rest.
Leg Rest up / down
buttons
To stop all functions. Chair
will return to default position.
Seat Return button
To recline chair to
Zero Gravity angle.
Zero Gravity button
Intensity button
To adjust the massage
strength and air bag
massage intensity.
Timer button
To select variable
countdown selection.
Heat button
To activate heater
at lumbar area.
792590_INS_uAstro2 Massage Chair
Instructions Doc. Size: 5.5”W x 8.5”H Output at 100% Prints 1/0 Black
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