Continental Automotive 5WK49244 User Manual

Siemens VDO Automotive AG SV C BC P2 RF

IC: 267T-5WK49244 FCC ID:KR55WK49244

User Manual

of the

Siemens VDO

Radio Frequency Transmitter

type 5WK4 9244

I:\POSTZULA\EuCD\CID_Multichannel\Technische_Doku_doc\Func_Jaguar_CID_X150_315MHz_HP_MC.doc

Page 1 of 4

Siemens VDO Automotive AG SV C BC P2 RF

IC: 267T-5WK49244 FCC ID:KR55WK49244

1. GENERAL DESCRIPTION OF THE RF TRANSMITTER

The RF remote control system consists of a RF transmitter and a LF
receiver mounted on a control unit. The RF transmitter is mechanically
integrated in the head of the key. This transmitter is used to transmit
information for locking or unlocking the vehicle by a unidirectional RF
transmission line for normal remote operation by pressing a button. Also is
implemented the function of the Immobilizer in the transmitter with a
bidirectional LF – transmission (passive).

In general the following functions are provided:

- Lock the car

- Unlock the car

- Unlock the boot lid of the car

- Approach light

- Panic alarm

- Immobilizer

2. POWER SUPPLY

The transmitter is provided with 1 lithium battery (CR 2032) that gives a
power supply of +3V.

3. BUTTONS

There are five buttons with following functions:

Action: Usage:
Pressing the lock button

Pressing the lock button for 1,5 sec. Comfort closing
Pressing the unlock button

Pressing the unlock button for 1,5 sec. Comfort opening
Pressing the unlock button twice within 10 sec. Two-step unlocking
Pressing the approach light button

Pressing the approach light button for 1,5 sec.

it twice within 3 sec.

During activation, the button is forced to the ground via a “pull-up” within
the microcontroller.

Central locking
Activation of Alarm system
Deactivation of Panic Alarm

Central unlocking
Deactivation of Alarm system
Deactivation of Panic Alarm

De-/activation of Approach Light
Deactivation of Panic Alarm

Unlocking of Boot lid Pressing the boot lid button
Deactivation of Panic Alarm
Activation of Panic Alarm Pressing the panic button for 3 sec or pressing
Deactivation of Panic Alarm

I:\POSTZULA\EuCD\CID_Multichannel\Technische_Doku_doc\Func_Jaguar_CID_X150_315MHz_HP_MC.doc

Page 2 of 4