Alpine PXE-H650 User Guide - Page 15

SOUND CUSTOMIZATION 4. Select the EQ Band to adjust. a) Use the ▼ or ▲ button to make the selection. In this example, "BASS" (or "MID" or "TREB"). b) Once the Band has been selected, Press "ENTER" to begin making the adjustments. 5. Modify 3 different EQ parameters: LEVEL, Q, and Fc. Use the or buttons to choose the parameter to modify. Use the ▼ or ▲ buttons to change the parameter. a) LEVEL is adjustable from -6 dB to +6 dB using the ▼ or ▲ buttons. This adjustment will effectively lower by 25% or increase by 400%, the output at the center frequency. The LEVEL changes in 1 dB steps. E b) Q (Q-factor) is adjustable from 0.5 (wide band) to 2.0 (narrow band). The Q determines how much the frequencies below and above the center frequency N are affected by the LEVEL adjustment in 'a.' Use the ▼ or ▲ buttons to choose a Q-factor from 0.5 to 2.0 in steps of 0.5. c) Fc (center Frequency) is adjustable from 30 to 150 Hz. This is the point of maximum effect for the EQ LEVEL adjustment. All frequencies above and below Fc are affected to a lesser degree, depending on the Q setting. The frequencies are selectable using the ▼ or ▲ buttons. They vary for each band and are listed below. BASS EQ: Fc = 30, 40, 50 60, 80, 100, 125, 150 (Hz) MID EQ: Fc = 500, 750, 1k, 1.5k, 2k, 3k, 4k, 5k (Hz) TREB EQ: Fc = 6k, 7.5k, 10k, 12.5k, 15k, 17.5k (Hz) d) Upon completing the adjustment, press ENTER to save values and exit back to the "CUSTOM EQ" HU or AUX sub-menu headings of BASS, MID or TREB EQ. e) Use the MODE button at any point, to return to the previous sub-menu. Crossover Overview The PXE-H650 crossover allows custom cut-off points for the high-pass and low-pass filters of the Front and Rear speakers and the Subwoofer. This is especially useful when the factory speakers have been upgraded to handle a much wider audio bandwidth. Crossover 1. Press MODE twice to enter Custom Tuning mode. 2. Navigate to the right with the right cursor button. With "PRESET 1" in the display, use the ▼ or ▲ buttons to choose the MIC position to modify. a) PRESET 1 refers to the Primary Mic position. PRESET 2 refers to the Secondary position. b) Upon making the Mic Position selection, use the button to move to the next selection mode. The next parameter to modify (Crossover, or Time Delay) is selected as described below. * Use the button to return to the PRESET selection mode. 17