Omron Automotive Electronics Korea OKA 850R User Manual

OMRON

AUTOMOTIVE

ELECTRONICS

KOREA

OKA- 850R

Transmitter, RF Keyless Entry System

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 the door and the panic by
wireless remote controller. This system consists of three components. The TRANSMITTER is a device that transmits
the signal when the button is pressed. The transmission signal consists of several synchronous codes, unique
id entifi catio n code, s ecuri t y code and fu nction code an d crc c o d e. The RECEI V ER is f ixed i n side t he veh i cle. I t works
intermittently to prevent the battery exhaustion. When the receiver detects the synchronous 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.

OPERATION ACTION

LOCK lock the door

UNLOCK unlock the door

PANIC alarm the horn

Transmitter
f = 313.85MHz

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