Se Jin Electron SWK-8650RT 2.4GHz RF KEYBOARD User Manual 04 Users Manua A

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Document ID	1081994
Application ID	eoL43fgBIHG0gABhNJ82cw==
Document Description	Users Manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	16.76kB (209487 bits)
Date Submitted	2009-03-18 00:00:00
Date Available	2009-03-18 00:00:00
Creation Date	2009-03-17 16:05:38
Producing Software	Acrobat Distiller 9.0.0 (Windows)
Document Lastmod	2009-03-17 16:05:38
Document Title	Microsoft Word - 04.Users Manua_A.doc
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Document Author:	Administrator

SEJIN ELECTRON, INC
Written by jung ho shim
Version 1.1
Last revised date: March 10, 2009
SRF-5024T 2.4GHz RF Keyboard and USB Dongle Users Manual
File Name : Q:\DEV\CHIPCONRF\DOCUMENTS\C00170_SRF5024T_2_4GHZ RF KEYBOARD USB DONGLE
USERS MANUAL.DOC
SEJIN Part numbers to be applied
SRF-5024T
2.4GHz RF Keyboard with Track-ball Pointer, USB Dongle
SEJIN confidential - Copyright© Sejin electron, Inc. 2009.
This Document contains proprietary to Sejin Electron, Inc. Use or disclosure without written
permission from an officer of Sejin is expressly forbidden.
Document number: C00170
Page 1/8
Printed date: March 17, 2009
SEJIN ELECTRON, INC
Written by jung ho shim
Version 1.1
Last revised date: March 10, 2009
Contents
Revision History ................................................................................................................ 3
Related documents ............................................................................................................. 3
Features .............................................................................................................................. 4
Specifications..................................................................................................................... 5
4.1
Radio Frequency specification ..................................................................................................... 5
4.2
Electrical specification ................................................................................................................. 5
Keyboard Layout ............................................................................................................... 6
Operation............................................................................................................................ 6
6.1
Connecting Keyboard to the USB Dongle ................................................................................... 6
6.2
Disconnect all keyboards from the USB Dongle and connect a new keyboard ........................... 7
Indication LED................................................................................................................... 7
7.1
Connecting status indication ........................................................................................................ 7
7.2
Battery status indication ............................................................................................................... 7
Regulatory Information...................................................................................................... 8
8.1
FCC .............................................................................................................................................. 8
8.2
EC-R&TTE .................................................................................................................................. 8
SEJIN confidential - Copyright© Sejin electron, Inc. 2009.
This Document contains proprietary to Sejin Electron, Inc. Use or disclosure without written
permission from an officer of Sejin is expressly forbidden.
Document number: C00170
Page 2/8
Printed date: March 17, 2009
SEJIN ELECTRON, INC
Written by jung ho shim
Version 1.1
Last revised date: March 10, 2009
Revision History
REVISION
ECN NO.
LTR
---
1.0
1.1
DESCRIPTION
DATE
REVISED BY
Initial generation
Mar 02,09
J.H,SHIM
Regulatory information add
Mar 10,09
J.H.SHIM
Related documents
DOCUMENT #
DOCUMENT TITLE
SEJIN confidential - Copyright© Sejin electron, Inc. 2009.
This Document contains proprietary to Sejin Electron, Inc. Use or disclosure without written
permission from an officer of Sejin is expressly forbidden.
Document number: C00170
Page 3/8
Printed date: March 17, 2009
SEJIN ELECTRON, INC
Written by jung ho shim
Version 1.1
Last revised date: March 10, 2009
Features
KEYBOARD
2.4GHz ISM band RF transceiver
Adaptive Frequency Hopping Spread spectrum
Internal antenna
250Kbps RF transmission rate
Integrated track-ball pointer and two mouse buttons
Full 86 keyboard Functionality with embedded numerical key pad
Full size key pitch (19.05mm, 0.750 inch) with a quiet tactile feel
Non-skid rubber feet
Inverted T cursor keypad
Separate Insert and Delete keys
Power: 3V DC (two AA batteries)
About three month of battery life (Based on Sejin standard operation conditions)
Effective operating range: 8 meters (26.2 ft)
Effective operating angle: 360 degrees
Number of keys : 86 keys
Key travel: 3.5
+/- 0.5 mm
Operating force: 60
+/- 20 gf
Dimensions: 410 x 202 x 42 mm (16.14 x 7.95 x 1.65 inch)
Agency approvals: N/A
USB DONGLE
Windows Me/98/2000/XP/Vista compatible (Optional MAC compatible)
2.4GHz ISM band RF transceiver
Adaptive Frequency Hopping Spread spectrum
Internal antenna
250Kbps RF transmission rate
Standard USB HID keyboard and mouse compatible
Bus powered full speed USB composite device
Battery low Indicator
Two color LED indicator for Connection status and for Battery low indication
Automatic generated 32767 User IDs
SEJIN confidential - Copyright© Sejin electron, Inc. 2009.
This Document contains proprietary to Sejin Electron, Inc. Use or disclosure without written
permission from an officer of Sejin is expressly forbidden.
Document number: C00170
Page 4/8
Printed date: March 17, 2009
SEJIN ELECTRON, INC
Version 1.1
Written by jung ho shim
Last revised date: March 10, 2009
Dimensions: 64 x 23 x 10 mm (2.5 x 0.9 x 0.4 inch)
Agency approvals: FCC, CE
Specifications
4.1
Radio Frequency specification
Band width: 2403.5Mhz~ 2479.9Mhz
Frequency tolerance: +\- 50PPM
Modulation method: MSK
Spread spectrum: Adaptive Frequency Hopping
Number of channels: 64 Channel
RF Power: No more than 10mW
Antenna type: Internal PCB Patch Antenna
Number of User ID: 32767
RF transmission rate: 250Kbps
4.2
Electrical specification
USB Dongle
Keyboard
Operating voltage
4.2V~5.25V
1.8V~3.4V
Operating current
Max 100mA
Max 50mA
Operating temperature
0 ~ 40℃
0 ~ 40℃
Storage temperature
-40 ~ 60℃
-40 ~ 60℃
Operating humidity
0~90% non condensing
0~90% non condensing
Storage humidity
0~95% non condensing
0~95% non condensing
SEJIN confidential - Copyright© Sejin electron, Inc. 2009.
This Document contains proprietary to Sejin Electron, Inc. Use or disclosure without written
permission from an officer of Sejin is expressly forbidden.
Document number: C00170
Page 5/8
Printed date: March 17, 2009
SEJIN ELECTRON, INC
Written by jung ho shim
Keyboard Layout
Operation
6.1
Version 1.1
Last revised date: March 10, 2009
Connecting Keyboard to the USB Dongle

SEJIN confidential - Copyright© Sejin electron, Inc. 2009.
This Document contains proprietary to Sejin Electron, Inc. Use or disclosure without written
permission from an officer of Sejin is expressly forbidden.
Document number: C00170
Page 6/8
Printed date: March 17, 2009
SEJIN ELECTRON, INC
Written by jung ho shim
1.
Version 1.1
Last revised date: March 10, 2009
Push the `Connect’ button on the USB Dongle using an appropriate pin in shorten time(less than 2 second), the
red colored indication LED will blink in every other second.
2.
Remove the batteries from the keyboard and than press any key to discharge the remains voltage in the internal
capacitors.
3.
Reinstall two AA batteries to the keyboard in proper direction. In the time, the keyboard and the USB dongle tries
to communicate and make a wireless connection. The connection will be done within two or three seconds. If the
keyboard has connected successfully, the blinking of the red indication LED on the USB Dongle will stop. The
connection statuses are stored internal non-volatile memory on both the USB dongle and the keyboard. If a
keyboard already had been connected and another keyboard has connected the same USB Dongle, blinking of the
red indication LED will not stop at the time but it will stop after 30 second from the operation. If two or more
keyboards are connected in a USB Dongle, only one keyboard can be used in a same time.
Note: The connecting procedure must be done within 30 seconds, or the connecting process will be canceled
automatically and the user will be required to try again from the step 1.
6.2
1.
Disconnect all keyboards from the USB Dongle and connect a new keyboard
Push the `Connect’ button on the USB Dongle using an appropriate pin and hold for about 3 second, the red LED
will blink in every other second.
2.
Do the keyboard connecting procedure from step 2.
Indication LED
7.1
Connecting status indication
Green LED indicates the connecting status and it blinks in every other seconds. The LED on and off duty ratio is variable
depends on the keyboard connection status. If no keyboard has been connected, the LED ON time is 10% of cycle time. If
a keyboard has been connected, the LED on time is 50% of cycle time.
7.2
Battery status indication
When the battery voltage on the keyboard is lowered, red indication LED on the USB dongle is blinked during the
keyboard operation. In the case the user will be required to replace the batteries soon.
SEJIN confidential - Copyright© Sejin electron, Inc. 2009.
This Document contains proprietary to Sejin Electron, Inc. Use or disclosure without written
permission from an officer of Sejin is expressly forbidden.
Document number: C00170
Page 7/8
Printed date: March 17, 2009
SEJIN ELECTRON, INC
Written by jung ho shim
Version 1.1
Last revised date: March 10, 2009
Regulatory Information
8.1
FCC
FCC ID: GJJSWK-8650RT
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1)This device may not cause harmful interference , and (2) the device must accept any interference received ,including
interference that may cause undesired operation.
Any changes or modifications NOT explicitly APPROVED by SEJIN ELECTRON, INC could cause the product to cease
to comply with FCC rules part 15,and thus void the user’s authority to operate the equipment.
8.2
EC-R&TTE
This product is CE marked according to the provision of the R&TTE Directive(99/5/EC). Here by SEJIN ELECTRON,
INC, declares that this product is in compliance with the essential requirement and other relevant provisions of Directive
1999/5/EC.
SEJIN confidential - Copyright© Sejin electron, Inc. 2009.
This Document contains proprietary to Sejin Electron, Inc. Use or disclosure without written
permission from an officer of Sejin is expressly forbidden.
Document number: C00170
Page 8/8
Printed date: March 17, 2009

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