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1. Constitution of the Radio Frequency Keyless Entry
System with Door Lock Controller for vehicle
The radio frequency keyless entry is a system that it controls locking and unlocking the door by
wireless remote controller. This system consists of two components. The TRANSMITTER is a device that
transmits the signal when the button is pressed. The transmission signal consists of several synchronous
codes, unique identification code, and security code and function code. The RECEIVER is fixed inside the
vehicle. It 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
LOCK
UNLOCK
PANIC
SLIDE DOOR LEFT
SLIDE DOOR RIGHT
This receiver also controls wired operation. It is available to control the door lock status by using the
silicon switch or the remote door control switch (both driver's and passenger's side).
【TRANSMITTER Assy】
LOCK button
LOCK button
UNLOCK button
SLIDE DOOR LEFT
button
-
Lock the door
unlock the door (the driver side first, then all doors)
The horn is beeped, and the headlight and flasher are blinked
Open or close the left slide door.
Open or close the right slide door.
LED
SLIDE DOOR RIGHT
button
Transmitter
f =313.85MHz
-1-
ACTION
PANIC button
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