7
The technology in SoundRacer is based on signals
(electrical noise) on the electrical cables from the AC
alternator that is used in most cars today. The signal
frequency follows the engine speed, SoundRacer
detects this signal and transforms it to a simulated
rpm. The increase in simulated rpm is then multiplied
with a factor in order to produce a more exciting
acceleration impression without running the car's
engine at high rpm. Based on the changes in rpm
SoundRacer also produces different sounds: idling,
acceleration at lower rpm, acceleration at higher rpm
and deceleration.
The engine sounds are transferred to the car radio by
the built-in FM transmitter.
5. Use the AUX in/out connector
Use the 3.5 mm stereo cable to connect a music
player to SoundRacer to enjoy your favorite music on
the car radio. The 3.5 mm plugs fits in the headset
output of the music player and the AUX socket under
the SoundRacer front. Set the AUX switch on
SoundRacer X to IN.
If the car has a AUX in socket, the 3,5 mm cable can
connect the SoundRacer directly to the car radio
amplifier. This is useful in areas with many FM radio
stations and can also provide better sound quality. Set
the AUX switch on SoundRacer X to OUT.