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DAESUNG ELECTRIC CO., LTD.

8-27B/L, 743-5, Wonsi-Dong, Danwon-Ku, Ansan-Si, Kyunggi-Do, 425-090, Korea

TEL : 82-31-494-1141 / FAX : 82-31-495-1734

http://www.dsec.do.kr/

 

 

1. Constitution of the Radio Frequency Keyless Entry System for vehicle

 

 

The  radio frequency keyless entry is a system that it controls locking and unlocking doors. It 

can  open  and  close  sliding  doors  and  tail  gate  automatically.  It  can  notice  us  where  the  car  is  by 

panic button. 

The  TRANSMITTER  is  a  device  that  transmits  the  signal  when  the  button  is  pressed.  The 

transmission signal consists of preamble, header, random, key data, sync, c/s, and inter frame code. 

The  RECEIVER  is  fixed  inside  of  the  vehicle.  It  works  intermittently  to  prevent  the  battery 

exhaustion. When the receiver detects the preamble code, it runs  continuously to receive the signals 

completely.  After  receiving  the  signal,  the  receiver  decides  which  operation  will  be  performed.  The 

user can select the following operations by pressing the button of the remote transmitter.   

CAUTION 

"

RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE. 

 

DISPOSE OF USED BATTERIES ACCORDING TO THE NATIONAL CODE OR RECYCLING PROGRAM." 

 

 

 

 

 

 

 

Summary of Contents for HM-TX-315

Page 1: ...27B L 743 5 Wonsi Dong Danwon Ku Ansan Si Kyunggi Do 425 090 Korea TEL 82 31 494 1141 FAX 82 31 495 1734 http www dsec do kr 1 TX ASSY KEYLESS ENTRY RX ASSY KEYLESS ENTRY User s Manual TX Model HM TX...

Page 2: ...2 31 495 1734 http www dsec do kr 2 Table of contents 1 Constitution of the Radio Frequency Keyless Entry system Controller for vehicle 3 2 User s manual 4 3 Block Diagram 5 3 1 Transmitter 5 3 2 Rece...

Page 3: ...smits the signal when the button is pressed The transmission signal consists of preamble header random key data sync c s and inter frame code The RECEIVER is fixed inside of the vehicle It works inter...

Page 4: ...for 1 second Lock Lock key is pressed for 0 5 seconds Closing window of driver s seat CENTRAL UNLOCK Unlock key is pressed Blinking turn lamp twice for 1 second Unlock Unlock key is pressed for 0 5 s...

Page 5: ...DAESUNG ELECTRIC CO LTD 8 27B L 743 5 Wonsi Dong Danwon Ku Ansan Si Kyunggi Do 425 090 Korea TEL 82 31 494 1141 FAX 82 31 495 1734 http www dsec do kr 5 3 Block diagram 3 1 Transmitter...

Page 6: ...DAESUNG ELECTRIC CO LTD 8 27B L 743 5 Wonsi Dong Danwon Ku Ansan Si Kyunggi Do 425 090 Korea TEL 82 31 494 1141 FAX 82 31 495 1734 http www dsec do kr 6 3 2 Receiver...

Page 7: ...ency generation INTERNAL Package 14pin TSSOP Carrier frequency 315 MHz Frequency generation Crystal Modulation FSK Bandwidth 100 kHz RF output power 75dBuV m 4 2 RF Receiver module Local clock frequen...

Page 8: ...DAESUNG ELECTRIC CO LTD 8 27B L 743 5 Wonsi Dong Danwon Ku Ansan Si Kyunggi Do 425 090 Korea TEL 82 31 494 1141 FAX 82 31 495 1734 http www dsec do kr 8 5 DATA structures...

Page 9: ...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 This device must accept any interference received including in...

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