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Using the Road Equalizer function
Road Equalizer (REAL-TIME OPTIMIZED ADAPTIVE DRIVING EQUALIZER) is a function
that automatically adjusts the equalizer settings during driving according to the amount of road
noise.
To use Road Equalizer, first connect the microphone. (See “Preparations for automatic adjustments”
on page 12.)
When used in combination with a separately sold monitor that is Road EQ compatible, the
monitor’s built-in microphone can be used, in which case the microphone included with the PXI-
H990 cannot be used. When connecting two PXI-H990 units, the built-in microphone in the
separately sold monitor cannot be used.
Perform the Road Equalizer operations in the following order:
Selection of microphone
↓
Measurement of frequency
response inside the vehicle
↓
Selection of Road Equalizer setting
(ON/OFF)
↓
Selection of mode
Supplement
See page 25 for supplementary information.
• In order to avoid the effects of exterior noises during measurement of frequency response
inside the vehicle, move the car to a quiet location and change the ignition switch to the
ACC position.
Due to vibration, correct measurement data may not be acquired, so do not switch on the
engine. However, be aware that the battery may be drained.
• Do not remove the microphones when using Road Equalizer.
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