Ohira Tech MEGASTAR CLASS User manual

User manual
When you handle electronic products, make sure to observe precautions for safety.
Otherwise, re or an accident resulting in injury may occur.
This user manual shows important precautions to prevent accidents and how to handle the
product. Read this manual carefully, and use the product safely.
After reading this manual, be sure to keep this in an easily accessible place.
Ver. 2.0 ( June. 7, 2021 )
WARNING
Ohira Tech Ltd.
4489-1 Ikonobecho, Tsuzukiku, Yokohama City, Kanagawa, 224-0053, Japan
Tel [phone] / Fax [phone]
Email [e-mail] / Web https://www.megastar.jp/en

2
Contents
1 Introduction ......................................................4
1 .1 For Safety ....................................................................4
1 .1 .1 Handling Precautions..........................................................5
1 .1 .2 Safety Precautions..............................................................6
1 .1 .3 Consideration for Health .....................................................7
1 .2 Main Unit and Major Accessories.................................8
1 .3 Main specications.......................................................9
1 .4 Warranty ....................................................................10
1 .5 Identication label and symbols used ........................10
2 Preparation ....................................................11
2 .1 Carrying the Main Unit ...............................................11
2 .2 Installation.................................................................. 11
2 .3 Connection.................................................................13
3 Basic Usage...................................................15
3 .1 Name of Components................................................15
3 .2 How to use the Controller ..........................................16
3 .3 Turning ON / OFF the power , Standing by................17
3 .4 Focusing the Lens......................................................19
3 .5 How to View the Screen and how the Menu is
to be Displayed..........................................................19
3 .6 Switching from / to the Menu Screen to /
from the Mode Screen...............................................20

3
4 Menu control ..................................................21
4 .1 Menu..........................................................................21
4 .2 MODE ........................................................................22
4 .2 .1 Enjoying the stars .............................................................22
4 .2 .2 Enjoy the lights..................................................................24
4 .2 .3 Getting lights and stars together ......................................25
4 .3 DATE TIME ................................................................26
4 .4 TIMER........................................................................27
4 .5 SETTING ...................................................................32
4 .5 .1 TIME .................................................................................32
4 .5 .2 LOCATION........................................................................33
4 .5 .3 SUNSET ...........................................................................34
4 .5 .4 DISPLAY ...........................................................................35
4 .5 .5 BLUETOOTH® .................................................................35
4 .5 .6 OFFSET............................................................................36
5 Factory settings..............................................37
6 Device service................................................38
6 .1 Maintenance ..............................................................38
6 .2 Storage ......................................................................38
6 .3 Replacing battery.......................................................39
7 In case of trouble ...........................................40
7 .1 Main device trouble....................................................40
7 .2 Troubles with star projection ......................................41
7 .3 Lights troubles............................................................42
7 .4 Controller troubles......................................................42
7 .5 Bluetooth® troubles ...................................................43
7 .6 Misc ...........................................................................44
8 Information on disposal..................................45
UE Declaration of conformity.........................46

4
1 .1 For Safety
In order to prevent harm to humans such as electric shock or injury or damage to property
caused by re, etc, which may occur when you use the product improperly, make sure to
observe the following.
•Inspect the product regularly.
Once every month, inspect the product to conrm that dust does not accumulate
between the power plug part and the outlet, that there is no damage to the each
cable, that a broken product is not used as it is.
• Do not use the product if malfunction or abnormal phenomenon
(abnormal sound / abnormal smell / smoke) occur.
If you notice defective operation, damage, etc, of the main unit or the accessories,
immediately turn the power o󰀨 and contact us.
Our contact information is described on the last page of this manual.
Make sure to observe the matters with this denotation. Otherwise, an unexpected danger-
ous situation may occur, and as a result, harm leading to serious injury or death may oc-
cur.
Make sure to observe the matters with this denotation. Otherwise, an unexpected danger-
ous situation may occur, which may cause injury or damage property.
1 Introduction
WARNING
CAUTION

5
1 .1 .1 Handling Precautions
• Do not apply an impact to the product.
• Do not drop the product.
• Do not place the product in an unstable place.
• Do not place the product in a place where the temperature is likely to become high.
• Do not place the product in a place where direct rays of the sun may hit.
• Do not place the product near an object which may become hot.
• Do not place the product near ammable objects.
• Do not put any foreign objects in the product.
• Do not cover the lens with ammable objects.
• Do not damage the cable.
• Insert / pull out the cable by holding the plug part.
• Before moving the main unit, light up the room and pull out the cable.
• Use the provided cable.
• Do not use the product in wet places.
• Do not touch the product with wet hands.
• Do not use the product in a place with high humidity.
• Do not use the product without wiping o󰀨 moisture.
• Do not put water in the product.
• Do not look into the lens during projection.
• Do not use the product in an unstable place or on your lap.
• Do not place the product near devices which generate strong magnetism such as
magnets or motors.
• Do not disassemble or modify the product.
• Do not cover the device with any type of product. (E.g. blanket, clothing or similar)
• Be sure that the ventilation openings are not obstructed during normal operation of the
device.
WARNING
CAUTION

1 .1 .2 Safety Precautions
• The product is intended to use indoor in private areas. Not for professional use.
• Don’t use the device in a di󰀨erent way it is designed for. The manufacturer is not liable
for improper use.
• Packing items should not be left to children as they are potential sources of danger.
During use make sure that children do not play with the appliance.
• Use of accessories of third party not recommended by the manufacturer of the
appliance may result in re, electric shock or personal injury.
• Cleaning and maintenance intended to be done by the user should not be carried out
by children without supervision.
• This appliance can be used by children aged from 8 years and above and persons
with reduced physical, sensory or mental capabilities or lack of experience and
knowledge only if they have been given supervision or instruction concerning use of
the appliance in a safe way and understand the hazards involved. Children shall not
play with the appliance. Cleaning and user maintenance shall
• Not be made by children without supervision.
• The device must only be supplied at safety extra low voltage corresponding to the
marking on the appliance. Be sure to use just the external power supply provided in
the packaging (model LSU60-108).
• Before connecting the appliance to the power supply, check that the voltage indicated
on the technical data corresponds to voltage of the local network and do not use
electrical plugs or extensions that are incompatible with informations stated in the
technical data.
• If the supply cord or the external power supply is damaged, it must be replaced by the
same product available from the manufacturer or its local agent.
• Do not submerge the device in water or other liquids.
• Do not use the appliance with wet hands or bare feet.
• Do not use the appliance if the cord, plug, or some of its parts are damaged.
• Never disconnect the appliance by pulling out the cord.
• After using the appliance, disconnect the cord from the power source and wait for its
cooling down before storage or cleaning.
• All repairs, including replacement of the power cord (if any), should only be carried out
6
WARNING
CAUTION

7
by authorized and experienced technicians to prevent any risk.
• Never wrap the power cord around your hand when the appliance is connected to the
mains power supply.
• In the case of thunderstorm, disconnect the power cord from the power outlet.
• Keep this User manual for the entire life of the appliance for consultation. If the
equipment is sold to a third party, also provide the complete documentation. if some
parts are difficult to understand or if there is any doubt in its meaning, contact the
manufacturer at the address indicated in the rst page or in the section CONTACT of
the last page, before starting using the product.
• Connect your appliance with a grounded power outlet. Failure to comply with this
requirement can result in an electric shock or serious injury.
• If the power cord is damaged, it must be repaired by the manufacturer or an autho-
rized service center in order to avoid any dangers.
• The light source contained in this luminaire shall only be replaced by the
manufacturer or his service agent or a similar qualied person.
1 .1 .3 Consideration for Health
When enjoying with the product, be fully cautious about the following matters.
• Rotation of the starry sky may cause a feeling similar to seasickness. In that case,
close your eyes until the rotation stops or set the rotation speed to a slower speed.
• The product emits strong light during the entire projection time. During projection of
the starry sky, do not look in the projection lens.
• The lightness of the indoor environmental lighting may change automatically depend-
ing on the mode. If you feel uncomfortable, adjust the change. If you do not still feel
better, refrain from the use of the mode.
• If you are in poor health or feel uncomfortable, refrain from using for a long time, and
use by moderating the rotation speed of the starry sky or the change of lightness.
7
CAUTION

8
1 .2 Main Unit and Major Accessories
Before using, conrm that all of the following are provided.
8
1 Year Warranty Certificate
Ohira Tech Ltd.
Tel [phone]
10:00 - 18:00 (except for Sat., Sun., public holidays)
e-mail [email protected]
4489-1, Ikonobecho, Tsuzukiku, Yokohama City, Kanagawa,
224-0053, Japan
Product name : MEGASTAR CLASS
Serial number
Main unit : MCR B
Controller : MCR C
Delivery date (D/M/Y) : / /
Name :
Company :
Address :
Country :
ZIP :
Phone :
e-mail :
We would appreciate your comments and requests on the product.
The information above is strictly managed and will not be used for
any purpose other than the warranty of the product or a serious
accident danger etc.
User Manual
Main Unit Controller
Warranty User manual
AC Adapter Controller cable
Rubber foot(4pcs)
already attached
Lens cover

9
1 .3 Main specications
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Model name
Power supply
Input voltage
Input current
Number of projected stars
Light source
Lights
Projection area
Motions
Optimal projection
conditions
Functioning
Temperature / Humidity
Bluetooth
Power consumption
Dimensions
Weight
MEGASTAR CLASS
100-240 Vac, 1A max, 50-60Hz from external power
supply mod.
Model : LSU60-108
24Vdc
1.45A max
Over 1 Million
Ultra bright LED
RGB Full color LED (twilight, blue sky, and other e󰀨ects)
Up to 3.5m from the device (7m diameter)
Diurnal motion as for 35 degrees Northern Hemisphere
Fully dark
5~35 deg / max80%
Version2.1+Enhanced Data Rate(EDR) Class2
35W max(case of AC100 - 240V)
190mm (diameter)×240mm (height)
4kg + controller
Input voltage
Battery type
Consumption for controller
5Vdc (Supply from system cable)
3Vdc by battery (Only for internal timer)
Model : CR2032
0.5W (case of AC100 - 240V)

1 .4 Warranty
When the product arrives, enter required matters in the Product Warranty packaged
with the product, and send the warranty to us. We will register the product as the object
of the product warranty. For the details of warranty, check the Product Warranty. For the
serial number of the product, check the product number seals attached to the bottom
surface of the main unit and of the controller. During the check, take care not to hit or
damage the lens.
1 .5 Identication label and symbols used
Symbols description
10
Productnumbersealonthemainunit
Productnumbersealonthecontroller
Figure: Check the serial number
CE mark symbol.
RAEE symbol - indicates that the product,at the end of its use, should not
be considered as a normal domestic waste but must instead be disposed
in accordance with the law.
Use of the device indoor only.
Carefully read the instruction before power on the appliance.
Class III appliance.
Technical mark for specic wireless equipment in Japan.

2 Preparation
2 .1 Carrying the Main Unit
This product is a precision device. When carrying the main unit, turn the power o󰀨, pull
out the cable, and hold the bottom surface of the main unit with both hands securely. In
particular, carrying the main unit in a dark place is dangerous. Make sure to carry the main
unit after lighting up the room. Carrying the main unit in an improper way will apply a load
to the main unit and will cause damage or malfunction. Be sure to position and install the
device prior to power it and before attaching the external power supply.
When carrying the main unit outside, protect the main unit with cushioning and su󰀩ciently
take care to not let the product get wet with rain.
2 .2 Installation
• Installation Environment
Fix the product on a at place and use in an environment where you can block out light.
• Refrain from using near a heater, in a place with high humidity, in a sealed case etc. With
no air circulation.
•
If you move the product from a cold place to a warm place suddenly, condensation (wa-
ter drops) may develop on the inside or outside of the product. If condensation occurs,
remove the cord and the like, and make sure to wait for water drops to disappear before
turning the power on.
11
CAUTION
Place for projection In a fully shaded place and on a wall surface of light color
which is near white.
Temperature 5~35 ℃. 28 ℃ or below is recommended during lighting for a
long time which is 1 hour or more.
Humidity 80% at the maximum. (There should be no condensation.)

• Fixing method
On the bottom surface of the product, thread holes for xing (M5) are provided.
In particular, if you install the product on a place other than a at stand, use them to x the
product securely. When using the thread holes for xing, remove the rubber feet fastened
with screws in advance.
Figure: Fixing screws
If the product is not xed securely, an accident or malfunction can be caused by dropping,
etc.
• Direction
With respect to the direction of the starry sky to be projected, the front of the main unit (the
direction where the logo can been seen) is “East”. Refer to this when you want to adjust
the direction to the actual direction.
Figure: Sky projection directions
12
4-M5
（Depth 8m
m）
Φ136mm
CAUTION
East
South
West
North

2 .3 Connection
• How to connect the cable
1. Connect the cable for the controller to the controller. When connecting the cable, be
cautious about the direction of the holes. If they t properly, the cable will lock auto-
matically.
Figure: Connect the controller with its cable
2. Connect the AC adapter output cable and the cable for the controller to the main unit.
When connecting the cable, be cautious about the direction of the holes. If they t
properly, the cable will lock automatically.
Figure: Connect the cable for the controller and the AC adapter output cable
3. Insert the power plug of the AC adapter into an outlet.
13
ACadapteroutputcable
Powerterminal
Controllercable
Controllercableterminal

• How to remove the cable
A lock is applied to the cable connected to the main unit and the controller in order to
prevent them from coming out. Hold the plug part at the head of the cable, and pull it out
straight without turning it.
If you turn or pull the cable, this may cause a malfunction.
14
CAUTION
Figure: The cable plug for the controller Figure: AC adapter output plug

3 Basic Usage
3 .1 Name of Components
15
Figure: The component names of the controller
Controllercable
terminal
Powerterminal
Powerswitch
ofthemainunit
Projectionlens
Focusadjustmentring
Indoorenvironmental
lightingwindow
Figure: The component names of the main unit
Displaywindow
Operationdial(left) Operationdial(right)
Controllercableterminal

3 .2 How to use the Controller
This product can be operated easily through the use of the provided controller. All opera-
tions are to be made with the two dials attached to the right and left of the controller. Each
dial has operation functions of “push”, “long push (for about 2 seconds)”, and “rotation”,
and the menu and the status of the main unit will be shown on the display.
This manual explains the operations of the controller by using these three kinds of arrows
in the following.
16
Figure: How to operate the controller
【Left】【Right】
(SwitchbetweenMODEand
menuscreens
/Returntothepreviousscreen)
Longpush

(Standby/Restart)
Display
Longpush
(Standby/Restart/Sleeptimer)
Push Push
(Confirmation,Lock)
Rotation Rotation
(Selectingmenuand/oritems) (SelectingMODEand/oritems)
+
ー+
ー

3 .3 Turning ON / OFF the power , Standing by
• Turning the power on
When the connecting the controller to the main unit and turning on the main unit, the main
unit and controller will be powered on and initialization will start. After the initial operation
has been completed and the screen has changed to the mode screen, you can use the
product.
17
Powerswitchofthemainunit
INIIALIZI N
TG
20 16.03.02 22:30
STAR +24h
*
Underinitialoperation
Initialoperationhasbeencompleted
(movetothemodescreen)
Figure: Turn on the power switch of the main unit

18
• Standby / Restart
If you put the product in standby mode (standby status) without turning o󰀨 the power, you
can shorten the startup time when restarting the product and can use it immediately. In
particular, if you use some timers, you are required to put the product in standby mode.
Further, if you put the product in standby mode, it will be able to memorize the status at
the time of exit and will reproduce the status at the last time of exit.
Figure: Put the product in the standby mode
Figure: Restart from standby
• Turning the power off
Put the product in standby mode, then, turn o󰀨 the power switch. (If you turn o󰀨 the power
of the main unit, some timer functions will be disabled.) When main unit is switched o󰀨,
controller power turns o󰀨 too. If you are not to use the product for a long time, make sure
to pull out the AC adapter from the outlet.
【Attention】
Controller and main unit should be connected by the cable. Otherwise, you cannot control
the main unit. Check that controller and main unit are properly connected prior to switching
on the main unit power.
MEGAS ARTCLSSA
STANDBY

19
3 .4 Focusing the Lens
The focus of the stars is di󰀨erent depending on the place for projection. Adjust the focus of
the projection lens so that you can see the stars clearly, watching the projected stars.
Focusadjustmentring
Figure: How to focus the projection lens
When focusing the lens, do not look into it.
WARNING
3 .5 How to View the Screen and how the Menu is to be
Displayed
When you turn on the power, the display shows the current usage mode.
The top of the screen shows the date and time during projection, and the bottom of the
screen shows the selected mode. The date and time displayed here is the date and time
of the starry sky being projected, and current time is not always displayed.
Figure: Display
20 16.03.02 22:30
STAR +24h
*
Thedateandtimeofthestarryskybeingprojected
Operationmode Itembeingset

20
3 .6 Switching from / to the Menu Screen to / from the Mode
Screen
• Switching from / to the Menu Screen to / from the Mode Screen
Figure: Switch from / to the mode screen to / from the menu screen
• Return from the deep level of the menu
If you are in a deep level of the menu, you can return to the previous menu level by push-
ing the left dial.
Figure: Return from the menu screen to the mode screen
MODE
Screen(example)
Adeeperlevelofthemenu(example)
Back
INPUT
MENU
DATE TIME
20 16.03.02 22:30
STAR +24h
DATE TIME
*
20 16.03.02 22:30
STAR +24h
MENU
MODE STAR
MODE
Screen(example)
MENU
Screen(example)
Switchfrom/tothemodescreento
/fromthemenuscreen
*