Section
17Digital Signal Processor
Before operating the auto TA! Auto TA and EQ changes the audio settings
as below:
and EQ function? The fader/balance settings return to the
! Carry out auto TA and EQ in as quiet a
place as possible, with the car engine andcenter position. (Refer to page 77.)
? The equalizer curve switches to Flat.
air conditioning switched off. Also cut(Refer to page 83.)
power to car phones or portable telephones? It will be adjusted automatically to high
in the car, or remove them from the car be-pass filter setting for front, center and
fore carrying out auto TA and EQ. Sounds
other than the measurement tone (sur-rear speaker.
rounding sounds, engine sound, tele-! If you carry out auto TA and EQ when a pre-
vious setting of this already exists, the set-
phones ringing etc.) may prevent correctting will be replaced.
measurement of the car interior acoustic
characteristics.
! Be sure to carry out auto TA and EQ usingCarrying out auto TA and EQ
the supplied microphone. Using another
1 Stop the car in a place that is as quiet
microphone may prevent measurement, oras possible, close all doors, windows and
result in incorrect measurement of the carthe sun roof, and then turn the engine off.
interior acoustic characteristics.
! When front speaker is not connected, autoIf the engine is left running, engine noise may
TA and EQ cannot be carried out.prevent correct auto TA and EQ.
! When this unit is connected to a power2 Fix the supplied microphone in the cen-
amp with input level control, auto TA andter of the headrest of the driver?s seat, fa-
EQ may not be possible if you lower powercing forward, using the belt (sold
amp input level. Set the power amp?s inputseparately).
level to the standard position.The auto TA and EQ may differ depending on
! When this unit is connected to a powerwhere you place the microphone. If desired,
amp with an LPF, turn off the LPF on theplace the microphone on the front passenger
power amp before carrying out auto TA andseat to carry out auto TA and EQ.
EQ. In addition, the cut-off frequency for
built-in LPF of an active subwoofer should
be set to the highest frequency.
! The time alignment value calculated by
auto TA and EQ may differ from the actual
distance in the following circumstances.
However, the distance has been calculated
by computer to be the optimum delay to
give accurate results for the circum-
stances, so please continue to use this
value.
? When the reflected sound within a vehi-3 Turn the ignition switch to ON or ACC.
cle is strong and delays occur.If the car?s air conditioner or heater is turned
? When delays occur for low sounds dueon, turn it off. Noise from the fan in the air
to the influence of the LPF on activeconditioner or heater may prevent correct auto
subwoofers or external amps.TA and EQ.
86En |
ACEC
