Omron Automotive Electronics Korea OKA-870T RF Keyless Entry System (Transmitter) User Manual

Omron Automotive Electronics Korea Co., Ltd. RF Keyless Entry System (Transmitter)

User Manual

Omron Automotive Electronics Korea Page 1 / 7User ManualRF Keyless Entry System(OKA-870T)
Omron Automotive Electronics Korea Page 2 / 7Table of contents1. USER INFORMATION …………………………...……… 32. GENERAL DESCRIPTIONS…………………………….. 43. REMOTE TRANSMITTER ………………………………. 54. SPECIFICATIONS ……………………………………….. 65. FEATURES ……………………………………………….. 7
Omron Automotive Electronics Korea Page 3 / 71. USER INFORMATION•Label InformationThis device complies with the FCC and IC Rules.Operation is subject to the following two conditions ;(1) This device may not cause harmful interference.(2) This device must accept any interference received. Including interference that may cause undesired operation. Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement. •User’s CautionThe manufacturer is not responsible for any radio or TV interference causedby unauthorized modifications to this equipment. Such modifications couldvoid the user’s authority to operate the equipment.This device and its antenna(s) must not be co-located or operating in conjunctionwith any other antenna or transmitter except in accordance with FCC and ICmulti- transmitter product procedures.
Omron Automotive Electronics Korea Page 4 / 72. GENERAL DESCRIPTIONThe radio frequency keyless entry is a system that it controls locking andunlocking the door and the trunk by wireless remote controller. This systemconsists of three components. The TRANSMITTER is a device thattransmits the signal when the button is pressed. The transmission signalconsists of several synchronous codes , unique identification code , securitycode and function code. The RECEIVER is fixed inside the vehicle. It worksintermittently to prevent the battery exhaustion. When the receiver detectsthe synchronous code, it runs continuously to receive the signals completely.After receiving the signal, the receiver decides which operation will beperformed. The user can select the following operations by pressing thebutton of the remote transmitter.OPERATION ACTIONLOCK Lock the DoorUNLOCK Unlock the DoorTRUNK Open the TrunkPANIC
Omron Automotive Electronics Korea Page 5 / 73. REMOTE TRANSMITTERYou can lock and unlock your vehicle with the remote transmitter.You cannot lock any of the doors with the remote transmitter if any door isopen or the key is the ignition switch.•LOCK : When you push the LOCK button, all the doors will lock.•UNLOCK : When you push the UNLOCK button, all the doors will unlock.You cannot unlock any of the doors with the remote transmitter if any dooris open or the key is in the ignition switch.•TRUNK : When you push the TAIL GATE button for 1.0sec, It will open.•PANIC : When you push the PANIC button, horn will alarm.
Omron Automotive Electronics Korea Page 6 / 74. SPECIFICATION4-1. RF Part4-2. Control Part4-3. The otherOperating frequency 313.850 MHzOscillation type X-TALModulation type FSK(Frequency shift keying)Bit transmission rate 1 000 bpsClock frequency 8 MHzCommunication type SimplexCPU uPD78F0567MCROM 4 KbytesRAM 128 bytesTx bit rate 1 000 bpsEEPROM 32 bytesPackage20 pin SSOPManufacturer : RENESAS CorporationEEPROM32 bytesPackage 20 pin SSOP Dimension 39.1(W)mm×70.9(L)mm×17.0(D)mmWeigh 56gBattery Lithium cell coin (CR2032)Manufacturer PANASONIC Battery corporationOperation VoltageDC3VManufacturerPANASONIC Battery corporationOperation Voltage DC3VOperating Temp’ -20℃∼+60℃
Omron Automotive Electronics Korea Page 7 / 75. FEATURESTransmission frame. The transmission begins immediately in case of LOCKand UNLOCK, PANIC button is pressed. The transmission frame consists ofthe synchronous frame and the data frame. The synchronous frame has320bit synchronous codes that it will be used for the receiver to wake up.The data frame consists of 24bit length identification code, 16bit securitycode and 4bit function code and 8bit CRC code. 16million differentidentification codes are available. The security code is always changed incase of any of the buttons is pressed. The transmission time is typically300 milliseconds.

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