User's Manual

3. Outline of Smart Key FOB
Smart Ke
y FOB is mainly used for locking or unlocking the doors of the vehicles.
Smart Key FOB detects signals when it reaches the vicinity of vehicle, and sends
signals using radio frequency.
Also, Smart Key FOB sends a radio wave signal while a button is pushed. When the
button is released, the radio wave signal is automatically off within 0.392 seconds.
When the button is depressed continuously, Smart Key FOB sends a signal for a
predetermined constant time.
This product sends a signal when the following buttons are pushed.
Transmitter IC
Actuator
Receiver
Subject for application
Installation in vehicle
Micom
Smart Key FOB
Control IC
LF Transmitter
433.92 MHz
134.2 kHz
Smart Key ECU
Trunk button
for opening the trunk
or back door.
Lock button
for locking the doors
Unlock button
for unlocking the doors.
FCC Warning Statement
FCC Part 15.19
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference,
and (2) this device must accept any interference received, including interference that may cause undesired operation.
FCC Part 15.21
Any changes or modifications (including the antennas) to this device that are not expressly approved by the manufacturer may void the user’s authority to
operate the equipment.