Continental Automotive 5WK45032 User Manual

FCC ID: KR55WK45032

User Manual / Functional Description

of the

Siemens

RF Transmitter

5WK4 5032 315 MHz

Language: English

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FCC ID: KR55WK45032

General description of the RF transmitter

The 315 MHz RF remote control system consisting of a RF transmitter
and a RF receiver mounted within the control unit. The RF transmitter is
mechanically integrated in the head of the key. This transmitter is used to
transmit an information for locking or unlocking the vehicle by an
unidirectional RF transmission line for normal remote operation by pressing a
button. For passive access functionality the transmitter is able to reply to an
inductive command with sending a remote telegramme.

In general the following functions are provided by pressing the buttons:

- Lock the car

- Unlock the car

- Unlock trunc

Additional the following functions are provided (Keyless Entry/Go Functions):

- Lock/Unlock the car

- Start/Stop the engine

Power supply

The transmitter is provided with 1 Lithium battery (CR2032) that gives a
tension of feeding of +3V.
The battery inversion is protected mechanically.

Buttons

There are three buttons which enable to lock, unlock the doors and unlock the
trunk. During activation, the button is forced to the ground via a “pull-up”
within the microcontroller.

LED

The LED is turned on between transmission blocks.

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