JVC KW-NT810HDT Instruction Manual - Page 93
Setting the listening position
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ENGLISH 4 Only when you select the front speaker and the size of the tweeter is set for the front speaker in the speaker settings, touch or to set the tweeter output level. Setting the Sound Setting the listening position You can select the listening position here to set a better sound field for the people inside the vehicle. Before setting this listening position, be sure to set the vehicle type. (☞ page 91) 1 Press 2 - - . 5 Only when the subwoofer is selected, touch [Reverse] (reverse phase) or [Normal] (normal phase) to set the phase. 3 Select a listening position. • With the front/rear speaker, the blocks the component lower than the frequency of the front/rear speaker. With the subwoofer, this frequency blocks the component higher than the frequency of the subwoofer. Using this function prevents the output of the low range component of the front/rear speaker and the output of the high range component of the subwoofer. When is set, this function is set to OFF. • is the attenuation rate when the sound of the band set at the cutoff frequency is blocked. The attenuation rate per octave (oct) is set in dB. When you change the output level (Gain) for each speaker or the tweeter, the entire tone curve for the speaker moves up or down. Adjust the output balance of all speakers. The Digital Time Alignment (DTA) suitable for the selected listening position is set. The DTA value can be fine-tuned. (☞ page 94) The DTA is a function that adjusts the virtual position of the speaker so that the distance from the actual listening position to each speaker is the same. 93