Pioneer DEX-P99RS operation manual Before operating the auto TA and EQ function

Section

03Audio Adjustments

WARNING

!To prevent accidents, never carry out auto TA and EQ while driving. When this function measures the car interior acoustic character- istics to create an auto-equalizer curve, a loud measurement tone (noise) may be outputted from the speakers.

!Be sure to connect the high-range speakers to the high range output. If the speakers are not connected correctly, they may be damaged by the low frequency measurement tone.

CAUTION

!Carrying out auto TA and EQ under the follow- ing conditions may damage the speakers. Be sure to check the conditions thoroughly be- fore carrying out auto TA and EQ.

—When speakers are incorrectly connected. (e.g., When a mid-range speaker is con- nected to a subwoofer output.)

—When a speaker is connected to a power amp delivering output higher than the speaker’s maximum input power capabil- ity.

!If the microphone is placed in an unsuitable position the measurement tone may become loud and measurement may take a long time, resulting in a drain on battery power. Be sure to place the microphone in the specified loca- tion.

!When tweeters and super-tweeters are con- nected to this system, be sure to use the super-tweeter’s cross-over network.

!When tweeters and super-tweeters are con- nected to this system, auto-time alignment and auto-equalizing may not operate properly. In this case, manual adjustment is needed.

Before operating the auto TA and EQ function

!Check the speaker’s usable frequency range. Then connect the proper speakers to high, mid, low or subwoofer outputs. If the speakers are not connected correctly, auto-

time alignment and auto-equalizing may not perform properly.

!Carry out auto TA and EQ in as quiet a place as possible, with the car engine and air conditioning switched off. Also cut power to car phones or portable telephones in the car, or remove them from the car be- fore carrying out auto TA and EQ. Sounds other than the measurement tone (sur- rounding sounds, engine sound, tele- phones ringing etc.) may prevent correct measurement of the car interior acoustic characteristics.

!Be sure to carry out auto TA and EQ using the supplied microphone. Using another microphone may prevent measurement, or result in incorrect measurement of the car interior acoustic characteristics.

!When the speakers activated in the initial setting menu are not connected, auto TA and EQ cannot be carried out.

!When the mid range speaker units are muted, auto TA and EQ cannot be carried out. (Refer to the next page.)

!When this unit is connected to a power amp with input level control, auto TA and EQ may not be possible if you lower power amp input level. Set the power amp’s input level to the standard position.

!When this unit is connected to a power amp with an LPF, turn off the LPF on the power amp before carrying out auto TA and 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- cle is strong and delays occur.

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