Section
04Available accessories
! If the microphone is placed in an unsuitablestances, so please continue to use this
position the measurement tone may becomevalue.
loud and measurement may take a long time,? When the reflected sound within a vehi-
resulting in a drain on battery power. Be surecle is strong and delays occur.
to place the microphone in the specified loca-? When delays occur for low sounds due
tion.to the influence of the LPF on active
subwoofers or external amps.
! Auto TA and EQ changes the audio settings
Before operating the auto TA and EQ
as below:
function? The fader/balance settings return to the
! Carry out auto TA and EQ in as quiet a
center position. (Refer to page 69.)
place as possible, with the car engine and? The equalizer curve switches to
air conditioning switched off. Also cut
EQ FLAT. (Refer to page 79.)
power to car phones or portable telephones? When a subwoofer is connected to this
in the car, or remove them from the car be-unit, it will be adjusted automatically to
fore carrying out auto TA and EQ. Soundsboth subwoofer output and high pass fil-
other than the measurement tone (sur-ter setting for rear speaker.
rounding sounds, engine sound, tele-! If you carry out auto TA and EQ when a pre-
phones ringing etc.) may prevent correctvious setting of this already exists, the set-
measurement of the car interior acousticting will be replaced.
characteristics.
! Be sure to carry out auto TA and EQ using
the supplied microphone. Using anotherCarrying out auto TA and EQ
microphone may prevent measurement, or1 Stop the car in a place that is as quiet
result in incorrect measurement of the caras possible, close all doors, windows and
interior acoustic characteristics.the sun roof, and then turn the engine off.
! 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 power
amp with input level control, auto TA and2 Fix the supplied microphone in the cen-
EQ may not be possible if you lower powerter of the headrest of the driver?s seat, fa-
amp input level. Set the power amp?s inputcing forward, using the belt (sold
level to the standard position.separately).
! When this unit is connected to a powerThe auto TA and EQ may differ depending on
amp with an LPF, turn off the LPF on thewhere you place the microphone. If desired,
power amp before carrying out auto TA andplace the microphone on the front passenger
EQ. In addition, the cut-off frequency forseat to carry out auto TA and EQ.
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-
74En |
ACEC
