SEIKA4 Braille Display Users Manual Version 4.01

Quick Installation Guide
The below steps assume that you have installed the screen reader and windows in their default locations. 
Install Seika braille display driver (refer to Chapter 3).
Install the Seika patch program and configure your screen reader (refer to Chapter 5 for Jaws, Chapter 6 for Windoweyes, Chapter 7 for HAL, Chapter 8 for Virgo, Chapter 9 for NVDA).
 
Chapter 1 C Overall description of the Seika4 Braille Display
1. Name and Functions of All Components
1.1 Overall Illustration of the Product
Display
There are 40 refreshable braille cells (8-pin).

Cell Position Mark
It marks the cell position. There is the position mark per 5 cells. From left to right the position mark means the 1st, 5th, 10th, 15th, 20th, 25th, 30th, 35th, 40th cell.

Power Supply
If you will connect Seika4 with computer through Bluetooth, or you will read file in the USB disk, please use adapter power or battery
If you connect Seika4 with computer through USB cable, please dont use power adapter or battery.

Navigation and Control Keys 
Place the Seika Braille Display on a flat surface with the Braille display facing upwards and the buttons facing towards you. 
Top surface keys are located on the top of the Seika Braille Display.
Behind the braille cells are the CURSOR ROUTING BUTTONS. These tiny buttons are used to move the computer's cursor directly to a particular location on the screen. 
Near each end of the braille display is a small round button. The LEFT BUTTON is to the left and the RIGHT BUTTON is to the right.

Front panel navigation keys are located on the front edge, facing the user.
On the left half of the front panel is the LEFT CTRL which contains LEFT CTRL LEFT and LEFT CTRL RIGHT.
In the middle of the front panel are two buttons. The LEFT SHIFT is toward the left and the RIGHT SHIFT is toward the right. 
On the right half of the front panel is the RIGHT CTRL which contains RIGHT CTRL LEFT and RIGHT CTRL RIGHT.


1.2 Description of the right side
USB Port
On the right side of the display, there is a foursquare USB port. You could connect Seika with the computer by plugging in a USB cable.
 

Caution: When a laptop computer is used for operating the braille display, please make sure that it is supplied with power via the electrical cable rather than battery. Otherwise it may cause a deficiency in the power supply.

Flash Disk Port
On the right side of the display, there is a rectangle USB port. You could plug in a USB flash disk and read the file in it. Please refer to the Chapter 9 for more details,.


1.3 Description of the left sideIllustration of Right View
DC-IN Socket
On the left side of the display, there is a power socket (DC-IN 5v).

Mini USB Port
On the left side of the display, there is a Mini USB port which is only used for power.

2. Three Working Modes
USB cable mode: Seika works with screen reader through USB cable.
Bluetooth mode: Seika works with screen reader wirelessly through Bluetooth.
Reading flash disk mode: Seika displays the files in the flash disk.

Caution:If you will change the working mode, please restart the Seika4 power. (Pull out and then plug in the adapter power or the battery)

3. Beeps 
Short beep once: The Braille Display is powered by adapter power or battery.
Beep twice: The Braille Display is powered by computer through USB cable. 
Beep one low tone and one high tone: Flash disk is plugged in.
Beep one high tone and one low tone: Flash disk is pulled out.
Short beep three times: Braille Display shuts down automatically (no operation within one hour).

4. Sleep 
The braille display cells will sleep if there is not any operation within one minute, and you could press any key to wake up seika.
Seika will shut down automatically if there is not any operation within one hour, and you could restart power to wake up seika4.
 
Chapter 2 - Setup
1. Service Precautions (at setup time)
Prohibited:Avoid using the display in the following conditions, which may cause malfunctions.
Direct sunlight, near air conditioners or outside. 
High humidity, such as those near a water supply or humidifier, or any place with water, oil, or chemicals.
Avoid contact with dust, waste particles, near open windows, or locations with any toxic gases or iron powder.
Also, do not install the display near any televisions, radios, speakers, short-wave radios, or anything that is magnetic or emits radio waves. If you use it adjacent to any of these items, it can interfere with reception.

2. Installation Space
Caution: Install the product in a location which meets the following criteria:
The product must be installed on a level surface. 
It is recommended to avoid putting anything heavier than a keyboard or a laptop computer or similar on top of the device as it may cause malfunction. 

3. Operating Environment
Temperature: 41 C 95 H (5 C 35 ) 
Humidity: 20 - 80% (no condensation)

4. Precautions for Moving
Warning:Violent shaking or vibrations at the time of moving may cause product failures.
Requirement:Turn off the computer which is connected with the Seika, and disconnect the USB cable, then move the Seika.

Chapter 3 - Installing Seika Braille Display Driver
You can connect the Seika4 braille display to your computer through either the USB port or Bluetooth. If you will use USB cable, you need install the driver. If you will use Bluetooth, please refer to the Chapter 4.

1. Installing Seika braille display driver (Windows XP)
Before using Seika with the screen reader, please install Seika braille display driver. Make sure that Seika braille display is not connected to your computer. 
Run Seika braille display driver setup(WinXP).exe in the Seika driver folder. 
Select Begin. 
Select Install to install Seika braille display driver.
When prompted Installation Successful, press ENTER. 
Follow the instruction and connect Seika to your computer. The Seika will beep twice, and the firmware version information is displayed. The Seika driver is installed successfully.
The Seika COM port assignments are displayed, make a note of the COM port number as this is the port which screen reader will use to communicate with Seika. Press ENTER to the next step.
When prompted The installation of Seika driver is successfully complete press ENTER to finish setup.

2. Installing Seika braille display driver (Windows Vista)
Before using Seika with the screen reader, please install Seika braille display driver. Make sure that Seika braille display is not connected to your computer.
Run Seika braille display driver setup(WinVista).exe in the Seika driver folder.
Select Begin. 
Select Install to install Seika Braille display driver.
When asked to restart your computer , selecting L(restart computer later) is suggested. 
Follow the instruction and connect Seika to your computer. The Seika will beeps twice, and the firmware version information is displayed. The Seika driver is installed successfully.
The Seika COM port assignments are displayed, make a note of the COM port number as this is the port which screen reader will use to communicate with Seika. Press ENTER to the next step.
When prompted The installation of Seika driver is successfully complete press ENTER to finish setup.

3. Installing Seika braille display driver (Windows 7)
Before using Seika with the screen reader, please install Seika braille display driver. Make sure that Seika braille display is not connected to your computer.
Run Seika braille display driver setup(Win7).exe in the Seika driver folder.
Select Begin. 
Select Install to install Seika Braille display driver.
When asked to restart your computer, selecting L (restart computer later) is suggested.
Follow the instruction and connect Seika to your computer. The 

Seika will beeps twice, and the firmware version information is displayed. The Seika driver is installed successfully.
The Seika COM port assignments are displayed, make a note of the COM port number as this is the port which screen reader will use to communicate with Seika. Press ENTER to the next step.
When prompted The installation of Seika driver is successfully complete press ENTER to finish setup.
 
Chapter 4 C Configuring the Bluetooth Connection 
Bluetooth is a short-range wireless communications technology. Seika with Bluetooth capability can communicate with computer over a distance of about 10 meters (30 feet) without requiring a USB cable. 
In order to use Seika4 Bluetooth, you need establish a partnership with a Bluetooth enabled computer. The majority of laptops offer built-in Bluetooth support. If your computer does not have built-in Bluetooth, you will need to purchase an external USB Bluetooth dongle and install the appropriate drivers on your computer.
To set up a Bluetooth connection between the braille display and screen reader, do the following:

Do not connect the USB cable and the flash disk with Seika.
Power on the Seika by plugging in the power adapter or battery. The Seika will beep twice, and the firmware version information is displayed..
Make sure that Bluetooth is enabled on the computer running the screen reader. If you are using an external USB Bluetooth adapter, insert it.
Open Bluetooth control software, and search for Bluetooth devices. This may take several seconds. When the search is complete, the seika4 are placed in the list of devices. 
Select Seika4 from the list. If the seika4 was not found, make sure it is powered then search again. 
In the Bluetooth pin passkey edit field, type Seika4 s pin code 0000.

After a few seconds, you will receive a message informing you that the Bluetooth device was successfully connected and the outgoing and incoming COM port assignments are displayed. Make a not of the outgoing port number as this is the port the screen reader will use to communicate with the Seika4. 

You must now configure screen reader to use the COM port that was added when you paired the Seika4. To configure screen reader, please refer to the chapter 5 for Jaws, chapter 6 for Windoweyes, chapter 7 for HAL, chapter 8 for Virgo. 
 
Chapter 5 C Using Seika Braille Display with JAWS
(For JAWS version 10.0.1154 and later)
1. Installing Seika Patch for JAWS
NOTE: Assume that JAWS has been installed.
Find the Seika patch file for JAWS in the Seika Patch for JAWS directory on the CD. There are three different patch files according to Windows operation system.
Seika Patch for JAWS XP  		      For Windows XP 32bit
Seika Patch for JAWS Vista_Win7_32bit     For Windows Vista/WIN7 32bit
Seika Patch for JAWS Vista_Win7_64bit     For Windows Vista/WIN7 64bit

Run the Seika Patch for JAWS according to your operating system.
Please install the patch by default steps. It will take several minutes.

2. Working in JAWS
2.1 Configuring JAWS
If you connect Seika4 to your computer using USB cable, do not connect the power adapter or the battery. If you connect Seika4 to your computer using Bluetooth, please connect the power adapter or the battery. 
Start JAWS and select Braille in the Options menu.
Assuming that the default Braille display is set to No display, tab to the Add Braille Display button and press enter.
In the Select components dialog box, there is a list of Braille displays. Select the Seika by pressing the space bar.
Tab to the Next button and press enter.  
In the Set device options dialog box, if you coonect Seika4 to your computer using USB,  the output port will be set automatically, no need to change.
Note: The output port is COM1 means the Seika is not connected with the computer successfully, please refer to Chapter 3, and select the output port that corresponds to the COM port number that was displayed after you install the seika4 driver
If you connect Seika4 to your computer using Bluetooth, in the Set device options dalog box, select the output port that corresponds to the COM port number that you make the note in chapter 4.
Tab to the Next button and press enter.
When prompted to set the primary device, select Seika in the Primary device list.
Tab to the Finish button and press enter.In the Braille Basic Settings dialog box, tab to the OK button and press.
Restart Jaws.

2.2 Navigation and control keys function
Braille Commands:
Description	Command
Braille Mode Toggle	Left Button + Right Button
Attribute/Character mode toggle	Left Ctrl Left + Right Ctrl Left
Attribute Marking Dialog	Left Ctrl Left + Left Shift
Attribute Marking Off	Left Button + Left Ctrl Left + Left Shift
Braille Marking Off	Left Button + Left Ctrl Left + Left Shift
8-Dot/6-Dot Toggle	Right Shift + Left Shift + Right Ctrl Right
8 Pixels/Unlimited Pixels Per Space	Left Shift + Right Shift + Right Ctrl Left
Repeat Last Flash Message	Left Ctrl Left + Right Ctrl Right

Navigation Commands:
Description	Command
Auto Advance Mode	Left Ctrl Right + Right Ctrl Left
Increase Auto Advance Speed	Left Button + Right Shift 
Decrease Auto Advance Speed	Left Button + Left Shift
Top Of Window	Left Ctrl Left 
Bottom Of Window	Left Ctrl Right
Pan Left	Left Button
Pan Right	Right Button
Braille Next Line	Right Ctrl Left
Braille Prior Line	Right Ctrl Right
PAGE DOWN (Active Cursor)	Left Ctrl Right + Right Shift
PAGE UP (Active Cursor)	Left Ctrl Left + Right Shift
TAB	Left Shift + Right Ctrl Left
CTRL+TAB	Left Ctrl Right + Right Button
SHIFT+TAB	Left Shift + Right Ctrl Right
CTRL+SHIFT+TAB	Left Ctrl Left + Right Button

Cursor Commands:
Description	Command
Braille follows Active	Left Shift
Active follows Braille	Left Shift + Right Shift
Route Braille To Active	Right Shift
Screen Reader Cursor	Right Button + Right Ctrl Left
Mouse Button Right Click	Left Shift + Right Button
PC Cursor	Right Button + Right Ctrl Right
Route Screen Reader to PC Cursor	Right Shift + Right Ctrl Right 
Route PC to Screen Reader Cursor	Right Shift + Right Ctrl Left
Select Text	Any Cursor Routing Button + Right Shift

3. Uninstalling the patch of JAWS
Open the Add or Remove Programs in the Control Panel, and select the item: Seika Patch for JAWS.
Uninstall the Seika Patch for JAWS step by step. The uninstall will taking several minutes. Please restart computer after finished.

This will delete all the file of the patch for JAWS.  

 
Chapter 6 C Using Seika Braille Display with Window-Eyes 
Note: This patch for Window-Eyes is only applicable to the versions 6.0, 6.1, 7.0, 7.01, 7.02 and 7.1. If your Window-Eyes version is 7.11 or higher, please skip over section 1 and section 2, and directly go to section 3 (Configuring Window-Eyes).
1. Installing patch for Window-Eyes (Windows XP)
Before installing patch,please select None in the Select Braille Display options in Window-Eyes.
Run patch setup for Window-Eyes (WinXP).exe, which is in the patch setup for Window-Eyes folder.
Select Install.
When prompted The installation of Window-Eyes patch setup is successfully complete., press ENTER to finish setup.

2. Installing patch for Window-Eyes (Windows Vista & Windows 7)
Before installing patch,please select None in the Select Braille Display options in Window-Eyes.
Run patch setup for Window-Eyes (WinVista&Win7).exe, which is in the patch setup for Window-Eyes folder.
Select Install.
When prompted The installation of Window-Eyes patch setup is successfully complete, press ENTER to finish setup.


3. Configuring Window-Eyes
If you connect Seika4 to your computer using USB cable, do not connect the power adapter or the battery. If you connect Seika4 to your computer using Bluetooth, please connect the power adapter or the battery.
Start Windoweyes.
Select File in Window-Eyes, then select Select Braille Display.
Select Seika in Braille option.
In Portsoption, if you connect Seika4 to your computer using USB, select the port that corresponds to the COM port number that was displayed after you installed the seika driver in the Chapter 3. (If you forget the COM port number, refer to Chapter 3, run the appropriate Seika driver setup based on different operating systems, select Read Virtual COM Port, and the Seika COM port are displayed). If you connect Seika4 to your computer using Bluetooth, in Ports option, select the output port that corresponds to the COM port number that you make the note in chapter 4.
Select OK button.

4. Navigation and Control keys function
Description	Key Press
Scroll Braille Left	Left Button
Scroll Braille Right	Right Button
Prior Braille Line	Left Ctrl Left
Next Braille Line	Left Ctrl Right
Top Line	Right Ctrl Left
Bottom Line	Right Ctrl Right
Mouse Top Left	Left Button + Left Ctrl Left 
Mouse Bottom Left	Left Button + Left Ctrl Right
Mouse Top Right	Right Ctrl Left + Right Button
Mouse bottom right	Right Ctrl Right + Right Button
To Focus	Left Button + Right Button 
Grade 2 Braille Toggle	Left Shift + Right Shift 
Untranslate At Cursor	Left Shift + Right Ctrl Left
Untranslate At Mouse	Left Shift + Right Ctrl Right
Scroll Mode Toggle	Left Ctrl Left + Right Ctrl Left
Spacing Toggle	Left Ctrl Right + Right Ctrl Right
Attributes To Show Rotor	Left Ctrl Left + Right Shift
Show Attributes Toggle	Left Ctrl Right + Right Shift
Quick Message Rotor	Left Ctrl Right + Right Ctrl Left
Display Individual Attribute Rotor	Left Ctrl Left + Left Shift
Braille graphic  mode	Left Ctrl Right + Left Shift
Toggle 6/8 Braille	Right Shift 
Braille tracking toggle	Left Shift 

5. Troubleshooting
If you are prompted ERROR! in the process of the installation of Seika Braille display driver setup program , please configure Window-Eyes manually following the instruction below:
Run the appropriate Seika driver setup based on different operating systems(refer to Chapter 3). 
Select Read Virtual COM Port.
The Seika COM port assignments are displayed, make a note of the COM port number as this is the port which screen reader will use to communicate with Seika. 
Copy files 
For Window-Eyes 6.x : 
1 Copy the file CD-ROM:\patch setup for Window-Eyes\update\ WindowEyes6\braille.ini  to  c:\WINEYES\User\default  or c:\WINEYES\User\YourFile.
2 Copy the application CD-ROM:\patch setup for Window-Eyes\update\bdisplay.exe to c:\WINEYES.
3 Copy the file CD-ROM:\patch setup for Window-Eyes\update\webrloem107.dll to c:\WINEYES.

For Window-Eyes 7.x : 
1 Copy the file CD-ROM:\patch setup for Window-Eyes\update\ WindowEyes7\ braille.ini to c:\Program files\ GW.Micro \Window-Eyes \user\default  or
c:\Program files\ GW.Micro \Window-Eyes \user\YourFile .
2 Copy the file CD-ROM:\patch setup for Window-Eyes\update\webrloem107.dll to c:\Program files\ GW.Micro \Window-Eyes.

Restart Window-Eyes.
Select File, then select Select Braille Display.
Select Seika in Braille option.
Select COM Port in Ports option.
Select OK button.

Chapter 7 C Using Seika Braille Display with HAL
(For HAL version 10 and later)
1. Working in HAL
Refer to the 1.1 Configuring HAL Version 10 or 1.2 Configuring HAL Version 11 according to the version of the HAL.
1.1 Configuring HAL Version 10
If you connect Seika4 to your computer using USB cable, do not connect the power adapter or the battery. If you connect Seika4 to your computer using Bluetooth, please connect the power adapter or the battery.
Run HAL.
Open the HAL Control Panel Window.
Select Configuration.
Select SAM Set UP.
Select Detect All Devices now.
HAL will automatically detect the Seika Braille. 
Return to the HAL Control Panel Window.
Select Braille Display. 
Click Select Braille Display.
Select the Seika Braille from the list and click OK.
Return to HAL Control Panel.
Ensure that the On Screen Monitor is enabled.
Restart your HAL.

1.2 Configuring HAL Version 11
If you connect Seika4 to your computer using USB cable, do not connect the power adapter or the battery. If you connect Seika4 to your computer using Bluetooth, please connect the power adapter or the battery.
Run HAL.
On the Hal Control Panel, select Advanced Options from the menu item General.
Select System Configuration tab, tab to SAM Setup and press enter.
Check the Seika Braille item on the SAM Configuration dialog box. Tab to the Configure button and press enter.
Select the Manual Configuration radio button, tab to the Serial Ports button and press enter.
In the list of COM ports, if you connect Seika4 to your computer using USB, select the port that corresponds to the COM port number that was displayed after you installed the seika driver in the Chapter 3. (If you forget the COM port number, refer to Chapter 3, run the appropriate Seika driver setup based on different operating systems, select Read Virtual COM Port, and the Seika COM port are displayed). If you connect Seika4 to your computer using Bluetooth, select the port that corresponds to the COM port number that you make the note in chapter 4.
In the Seika Braille Configuration dialog box, select the serial port you have just checked and tab to the OK button and press.
In the SAM Configuration dialog box, the units of the Seika Braille is 1. The Seika Braille connects to the HAL is successful. Tab to the Close button and press enter.
Tab to the OK button and press enter in the General Advanced Options dialog box.
On the Hal Control Panel, select General Preferences from the menu item Braille.
Select Braille Device tab in the General Preferences dialog box, tab to the Select Braille Display button and press enter.
Tab to the Seika Braille item in the Select Braille Display dialog box and press OK button.
Select Translation Tables tab in the General Preferences dialog box. Configure the Unicode to Braille Conversion, Unicode to Literary Braille Conversion and Literary Braille Input according to the local language. Tab to the OK button and press enter.
Restart your HAL and Seika Braille Display will work now.

NOTE:	If you use another model Seika Braille display, please repeat the step of 1.Working in HAL.

2. Navigation and Control keys function
Action	Key press
Action Open Control Panel	Left Button + Right Button
Braille Back	Right Ctrl Right
Braille Forward	Right Ctrl Left
Braille Line up	Left Ctrl Left
Braille Line down	Left Ctrl Right
Braille Go To Focus	Left Shift
Braille Line Start	Left Button + Right Ctrl Right
Braille Line End	Left Button + Right Ctrl Left
Braille Top	Left Ctrl Left + Right Ctrl Right
Braille Bottom	Left Ctrl Right + Right Ctrl Left
Braille Cell Left	Right Ctrl Right + Right Button
Braille Cell Right	Right Ctrl Left + Right Button
Braille Physical/Logical Mode 	Left button + Left Ctrl Left
Braille Literary Braille on off 	Left Button + Left Shift
Braille Cycle Attributes	Left Ctrl Left + Right Button
Braille Describe Character on off	Left Shift + Right Button
Braille On Off	Left Button + Left Ctrl Right
Braille Monitor on off	Left Ctrl Right + Right Ctrl Right
Braille Hooks on off	Left Button + Right Shift
Braille tracking on off	Right Shift
Braille Enhance on off	Left Ctrl Right + Right Button
Custom Global Speak Time and Date	Right Ctrl Left + Right Ctrl Right
Simulate Key Press Up	Left Ctrl Left + Left Shift
Simulate Key Press Down	Left Ctrl Right + Left Shift
Simulate Key Press Left	Left Shift + Right Ctrl Left
Simulate Key Press Right	Left Shift + Right Ctrl Right
Simulate Key Press Enter	Left Ctrl Right + Right Shift
Simulate Key Press Tab	Right Button
Simulate Key Press Shift Tab	Left Button
Simulate Key Press Escape	Left Ctrl Left + Right Shift
Simulate Key Press Windows	Right Shift + Right Ctrl Left
Simulate Key Press Alt	Right Shift + Right Ctrl Right
Speak Keys Where am I?	Left Shift + Right Shift
Text Input Enter	Left Ctrl Right + Right Shift
Virtual Focus Move Physical Up	Left Ctrl Left
Virtual Focus Move Physical Down	Left Ctrl Right
Virtual Focus Physical on off	Left button + Left Ctrl Left
Virtual Focus Previous Line	Left Ctrl Left + Left Shift
Virtual Focus Next Line	Left Ctrl Right + Left Shift
Virtual Focus Interact with control	Left Ctrl Right + Right Shift
Virtual Focus Next Object	Right Button
Virtual Focus Previous Object	Left Button

 
Chapter 8 C Using Seika Braille Display with Virgo 
1. Configuring Virgo
If you connect Seika4 to your computer using USB cable, do not connect the power adapter or the battery. If you connect Seika4 to your computer using Bluetooth, please connect the power adapter or the battery. 
Start Virgo.
Open the Representation dialog box in the Braille menu.

In Braille list, select 8 dot braille. And in Cursor list, select Underline cursor (dots 7,8).

Open the Braille device settings dialog box from the Braille menu.

In Braille device list, select Blazie-Powerbraille 40 .
In the Port list, if you connect Seika4 to your computer using USB, select the port that corresponds to the COM port number that was displayed after you installed the seika driver in the Chapter 3. (If you forget the COM port number, refer to Chapter 3, run the appropriate Seika driver setup based on different operating systems, select Read Virtual COM Port, and the Seika COM port are displayed). If you connect Seika4 to your computer using Bluetooth, select the port that corresponds to the COM port number that you make the note in chapter 4.
Tab to the OK button and press enter. 
Restart Virgo.

2. Navigation and Control keys function
Action	Key press
Scroll left	Left Button
Move navigation to focus	Left Button + Right Button 
Configure speech output	Left Button + Right Ctrl Right + Right Button
Scroll right	Right Button
Previous item or up screen	Left Ctrl Left
Move mouse pointer to navigation	Left Button + Left Ctrl Left
Window specific help	Left Button + Left Ctrl Left + Right Button
Move navigation to the top	Left Ctrl Left + Right Ctrl Right
Speech output on/off	Left Ctrl Left + Right Ctrl Left 
Next item or down screen	Left Ctrl Right
Show Virgo menu	Left Ctrl Right + Right Ctrl Right
Move navigation to the bottom	Left Ctrl Right + Right Ctrl Left
Single left virgo click (mouse click)	Left Shift 
Single right virgo click (mouse click)	Right Shift
Move up hierarchy	Right Ctrl Right 
Move navigation to mouse pointer	Right Ctrl Right + Right Button
Move down hierarchy	Right Ctrl Left
 

Chapter 9 C Using Seika Braille Display with NVDA
1. Configuration of BRLTTY
To use Seika Display with NVDA, you need install BRLTTY (for windows) and configure BRLTTY as follows:
Make sure that Seika Display driver has been installed successfully and  Seika Braille Display has been connected with computer.
Double click brlttycnf.exe to chose Seika at braille display list 
In the COM port list, select the port that corresponds to the COM port number that was displayed after you installed the seika driver in the Chapter 3 (If you forget the COM port number, refer to Chapter 3, run the appropriate Seika driver setup based on different operating systems, select Read Virtual COM Port, and the Seika COM port are displayed)
Click OK button to save and exit.
Double click install.bat to install BRLTTY service. 
You will hear beeps when BRLTTY starts to work successfully as system service and Braille Display will update display. If not, please reboot computer with connecting display and brltty.exe will run automatically.

2. Configuration of NVDA
To use Seika Display with NVDA through Brltty, please configure NVDA as follows:
Run nvda.exe, select preference, and select Braille settings.
Select brltty at Braille display list, click OK to save and exit.

3. Reconnection
For any reconnection needs, please reboot computer or configure Brltty as follows:
Run uninstall.bat to uninstall service.
Do the same as Configuration of BRLTTY.

4. Navigation and Control keys function
Description	Key Press
Scroll Braille Left	Left Button
Scroll Braille Right	Right Button

 

Chapter 10 C FLASH DISK READING MODE
Caution:The following instructions are very important:
Power on the Seika4 with the power adapter or the battery. 
Seika4 could read BSE, BRL, TXT files. Please confirm that the files are put in the root directory in your flash disk.
The file name is no more than eight letters.

Note: It may be a little bit slow when you browse files name and read files in some brand flash disks. 

1. Quick Start
Connect power adapter or the battery. 
Plug in the flash disk to the Braille display.
The first file name will be displayed.
Push Right Ctrl Left button and Right Ctrl Right button to scroll the file list.
Push Right Shift key button to select the file.
Push Right Ctrl Left button/Right Ctrl Right button or Left button/Right button to scroll the braille line.
Push Left Shift button to Escape.

2. Control keys
3. File Selection
When you plug in the flash disk, the.file name will be displayed. 
Right Ctrl Left or Left Button: Find the previous file name.
Right Ctrl Right or Right Button: Find the next file name. 
Left Shift: Find the first file name.
Right Shift: Open the file and start read the file. 
	
NOTE: File list Top! / File list Bottom! will be displayed if it reaches the top/bottom of the file list.

4. File Reading
Left Ctrl Left: previous page.
Left Ctrl Right: next page.
Right Ctrl Left or Left Button: previous line.
Right Ctrl Right or Right Button: next line. 
Left Shift: go back to the file list.
Right Shift: no function.
Left Shift+Right Shift (Available for English txt file): toggle of braille grade 1 and grade 2. The default mode is braille grade 2 when the seika4 starts up.
Left Button+Right Button: toggle of between 6 dot and 8 dot. The default mode is 8 dot braille when the seika4 starts up

5. Quit 
Pull out the flash disk and the following message will be displayed:
QUIT THE FLASH DISK MODE!.

Chapter 11 - Display Specifications
Display system	8 dots Braille
Display capacity	40 cells
Cursor key	8 Control keys
Touch cursor key	40 keys
Character code	original code
Interface	USB/FLASH DISK/DC/MINI USB
Power supply	USB/power adapter/battery
Size	13.3(W) x 3.5(D) x 0.8 (H)inches
Weight	0.5kg

Q&A
1. How to verify which Virtual COM port has been used by Seika Braille Display
Run appropriate Seika driver setup program according to different windows operating system in your computer (refer to chapter 3).
Select Read Virtual COM Port.
You will be prompted which Virtual COM Port has been used by Seika Braille Display.
Press ENTER to back .

2. How to uninstall the Seika Braille display driver
Launch the Windows Control Panel.
Select Add/Remove Programs and press ENTER.
Remove the Braille display driver :
For Windows XP, remove CP210x USB to UART Bridge Controller.
For Windows Vista, remove Seika Braille Display(Driver Removal).
For Windows 7, remove Seika Braille Display System Driver(Driver Removal).
Delete the folder in C:\Program Files\Silabs or C:\Silabs.

3. If Braille display doesnt work  
If the Seika Braille display doesnt work, please check Seika braille display driver.
Right click the icon of My Computer on desktop, and select Properties.
Select Hardware on the top menu, and click the button Device Manager. 

If there are yellow interrogation marks before both the item Other Device and its subdirectory CP2102 USB to UART Bridge Controller in the catalog, it would mean that Seika braille display driver doesnt work. It is necessary to reinstall the driver.
Right click CP2102 USB to UART Bridge Controller, and select uninstall. 
Install the Seika braille display driver (refer to Chapter 3).
           
