JVC AR8500 Instructions - Page 28
Activating crossover network
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ENGLISH Sound adjustments - Preference settings Activating crossover network Crossover network function enables to allocate sound signals to different speakers by frequency range. By activating crossover network, you can make precise adjustments to match the characteristic of each speaker. (See "To adjust reproduced frequency level-Crossover" on page 30.) If you have installed the 3-way network speaker system in the car, make sure of the following. • Before using the system, activate crossover network and preset the appropriate cutoff frequencies for HPF/LPF (especially for HPF); otherwise, it may damage the speakers. • For 3-way network speaker system, see Installation/Connection Manual (separate volume). • Until you finish the following procedure, you cannot perform other operations. While the power is turned off... 1 (Press any button) 3 Finish the procedure. • indicator lights up (in sequence with other indicators). To cancel Crossover Repeat the same procedure. Make sure that "Crossover Off?" appears on the display in step 1 and "Crossover Off OK?" in step 2. • indicator goes off. Adjustable items for crossover network You can adjust the following parameters for crossover network. For details, see pages 30 and 31. • HPF (high pass filter): For front/rear speakers. • LPF (low pass filter): For rear speakers and subwoofer*. • Slope (filter attenuation slope): For front/ rear speakers and subwoofer*. * You can adjust LPF and slope for subwoofer even though crossover network is deactivated. How crossover parameters actually work 2 Reproduced frequency band Slope • To cancel the procedure, press and hold . The power turns off. 28 Cut off frequency of HPF Frequency Cut off frequency of LPF