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Lexking Jupiter Series User Manual

BT-7228

Made by: Lexking
Type: User Manual
Category: Keyboard
Pages: 6
Size: 0.43 MB

 

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BT-7228 / Bluetooth Foldable Keyboard 

(Jupiter Series)   

User’s Manual 

 
Congratulations and thanks you choosing the Lexking BT-7228(Jupiter) Bluetooth  foldable keyboard as your means of 
communication between Apple Smartphone(iPhone 3GS4/4S), iPad(iPad 2, New iPad) and most of Android OS 3.0 or 4.0 
above device. BT-7228, the “Jupiter”series is a special design by magnets and Pogo Pin connection, it is a unique designed, 
manufactured by Lexking Technology Co., Ltd. 
 
Before you starting use this device, please detail READ this user’s manual: 
 
Contents: 
1.Package and Encloses 
2.OS compatible 
3.Prodcut function description 
4.Operating 
5.Troubleshooting 
6. Product Guarantee and Announcement 
7.Radio frequency Warning 
 

Package and Encloses 

1.BT-7228 Foldable Keyboard*1 

(260 mAh capacity Lithium-Ion rechargeable battery embedded inside) 

2.USB cable*1 
3.Stand*1(only can support iPhone or Smartpone) 
4.Cloth Bag*1-Optional 
5.User’s manual*1 
 

OS Compatible: 

1.iOS : iPhone 4S/4/3GS, iPad, iPad2, New iPad 

2.Android : Compatible part of Android OS 2.3.5 above and all Android OS 3.0, 4.0 above device 
3.Mac OS X : Mac OS 10.6 above 
4.Window OS : XP / Vita / 7 

(Easily to link Notebook or external Bluetooth dongle embedded with Personal Computer) 

 

Product profile and function descriptions 

(iOS means iPhone, iPad device OS) 

 


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LED signal description(4 LEDs from up to down) 

LED1

Æ

(Blue color) 

When it glitter 3 times, it represent power on status or glitter is stand for pairing status. 

 
LED2

Æ

(Blue color) 

It represent upper case status of your press CapsLock key when LED light on. 

 
LED3

Æ

(Red color) 

  When you put attached USB cable into Micro USB connector during charging battery power, this LED will lighted on till 
battery charge full then snuff out. 
   

LED4

Æ

(Blue color) 

When this LED glitter, it represent battery low status during you typing each key, it need to recharge battery power 

immediately, if you don’t recharge battery, LED will glitter untill power all shut down. 

 
Slider Switch

Æ

 

On/Off slider power switch   
 

 I D paring switch

Æ

 

Bluetooth pairing button 

 

USB

充電接頭

 

Micro USB connecter for Charge 
 

Smartphone Stand 

Internal stand only for Smartphone use 
 

Metal Hook 

Support BT-7228 Left/Right side keyboard stable connect in typing when you seated then put BT-7228 on thigh. 
 

Operating/

使用方式:

 

Before you starting use this keyboard, please detail READ below operating information; 

 


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A.Please recharge full battery power before you first time use BT-7228) 

Charging Way: 
(Please put standard USB “A” type connector into you PC or Notebook then put another side micro USB connector into 
BT-7228 foldable keyboard, it will automatically charge) 

 

B.First step, Connect to your iPhone or iPad 

1.Take out BT-7228 from package box 
2.Open foldable keyboard then close put Left-Right side keyboard, it will automatically connect by magnets force. 
3.Up push On/Off button to On status then LED1 will glitter, it is mean power on status for waiting pairing with iPad or 
iPhone. 
4.Open your iDevice Bluetooth device searching mode for searching then you will find “BT-7228 or BT-7228JA” information 
shown on your iDevice, please select the icon then press “Enter” key, your iDevice will automatically connect with BT-7228. 
5.When you will not use BT-7228 for long time, please remember to switch off button then cut off power for saving power. If 
you want to use it again, you just turn on power on switch then BT-7228 will automatically connect with your iDevce, it is no 
need to pairing again. 
 

C.Android and Mac OS 10. X above connect 

Follow above item “A”  procedure are similar to connect with part of Android OS 2.3.5 above, all 3.0 above Tablet. OS 4.0 
Smartphone and Mac OX 10.6 above. 
 

D.Connect with Notebook and Personal Computer which embedded external Bluetooth dongle 

Ex. Connect Window 7 OS 

   1.Open Control Panel 
    2.Select “Device and Printer” 
    3.Select “Add  New Device, then you will find “BT -7228”, select this icon,  the BT-7228 will automatically connect with 
your Notebook or Personal Computer. 
  (Please note, may you have to key-in passwords for pairing process as shown on Notebook or Personal Computer due to the 
Notebook or PC inside Bluetooth driver is belong to old version) 
  4.You can use BT-7228 when you connect device successfully. 
 

Above pairing procedures are same as Window OS Vista, XP. 

Recharge way   

When LED2 glitter, it is m ean battery low, please put USB cable into BT-7228 and Notebook(or PC) USB port or put AC to 
DC USB adapter(DC5V / 0.1A) for charge, it will spend around 2~3 hours for fully charged. 
 
 
 
 
 
 
 

 


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Hotkey functions definition; 

 

 
Fn+”`”

Æ

Esc 

Fn+”1”

Æ

F1 

Fn+”2”

Æ

F2 

Fn+”3”

Æ

F3 

Fn+”4”

Æ

F4 

Fn+”5”

Æ

F5 

Fn+”6”

Æ

F6 

Fn+”7”

Æ

F7 

Fn+”8”

Æ

F8 

Fn+”9”

Æ

F9 

Fn+”0”

Æ

F10 

Fn+”-“

Æ

F11 

Fn+”=”

Æ

F12 

Fn+”Q”

Æ

 Previous/

Fn+”W”

Æ

 Pause/Play 

Fn+”E”

Æ

 Next

Fn+”R”

Æ

 Mute 

Fn+”T”

Æ

Volume d own

Fn+”Y”

Æ

Volume up

Fn+”A”

Æ

Return(under Android)

Fn+”S”

Æ

 iPhone or iPad Search

Fn+”D”

Æ

 iOS Slider show/iOS 

     

  (this function only for iPad or iPhone 5.0 OS backward/

此功能只有在

 iPa d

適用

Fn+”F”

Æ

 iOS Keyboard 

Fn+”G”

Æ

iPhone or iPad key locked/iPhone or iPad 

Fn

Æ

Function key

Fn+”Del”

Æ

Ins

Fn+”Arrow (Up)”

Æ

PgUp 

Fn+”Arrow(Down)”

Æ

 PgDn 

Fn+”Arrow(Right)”

Æ

End 

 


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Fn+”Arrow(Left)”

Æ

Home 

*Japanese version 

 

Except above hotkey, Japan version are including some below hotkeys function   

Fn+”Backspace,

Å

” 

Æ

Japanese dollars sign 

Fn+”Z”

Æ

Pc mode(for Window OS typing) 

Fn+”X”

Æ

Mac mode(for Mac OS typing) 

Fn+”C”

Æ

iOS mode 

(Support "Roman Alphabet" directly input in iPad or iPhone Japanese version) 

Fn+”V”

Æ

Android typing mode 

(Spport normal typing under Andorid OS, like english input method and Menu key typing) 

Fn+”B”

Æ

Return key(only can use in Android OS) 

Fn+”Right Spacebar”

Æ

變換

 

 

Note: 

Under iOS, the language input method switching can be used; 
Please press Window key(command key) then press Spacebar key together for change different language of input method. 
 

Troubleshooting 
Q1 : You can’t pairing BT-7228   

1 : Due to power saving design concern, if you didn’t touch ID button key over pass 30 minutes , please re-open On/Off switch 
again then you just press ID button for pairing. 
 
2.Or within 30 minutes you can try to press ID pairing button, you can pairing between iDevice and BT-7228. 
 
3.Please make sure batter power is  fully enough for workin g, you can ch eck LED4  if glitter, if so,  please rech arge b attery 
power immediately. 
 

Q2 : BT-7228 connect with iDevice successfully but it is still not working: 

1.Please m ake su re Lith ium-Ion b attery pow er is fu lly en ough  for wo rking, you can ch eck LED4   if  glitter, if so,  please 
recharge battery power. 
 
2.Please make sure that does BT-7228 work on metal surface, if so, please move out metal surface for operate. 

 


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Q3 : How to change input methods of language when you typing 

3.1 U nder i OS(iPad, i Phone), y ou ca n  prese wi ndows  key(command ke y)then  presee  Spacebar  key  for s witching  different 
language of input method. 
3.2 Under Android OS, you can

 try to

 

press shift key then press spacebar key for switching different input method. 

   

  (Due to Android  OS is belong to open system, may something mobile or Table can’t use “Shift+Spacebar” to switch this  

function) 

 
4.If you still can smoothly troubleshooting the problem, please reach Lexking customer service people as below information or 
return BT-7128 back to purchased shop by keep original package. 

services@lexking.com

 

www.lexking.com

 

 
 

Product Guarantee and Announcement 

1.1 year guarantee during normal used. 
2.Abnormal use are not including guarantee. 
3.Please make sure you take your magnet card(like traditional credit card) away from BT-7228 avoiding the magnet of card 

lose functions, in other words, please don’t directly put magnets card and BT-7228 together. 

 

FCC Notice: 

 

NOTE: 

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC

rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This
equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the
following measures:
-Reorient or relocate the receiving antenna.
-Increase the separation between the equipment and receiver.
-Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
-Consult the dealer or an experienced radio/TV technician for help.
 
You are cautioned that changes or modifications not expressly approved by the party responsible for compliance could void your 
authority to operate the equipment.