Alpine PXE-H650 User Guide - Page 16

3. Crossover Adjustment a) Use the ▼ or ▲ button to make the selection. In this example, "CROSSOVER" b) The user can also use these buttons to select "TIME DELAY." The following "FRONT 2" adjustment procedures will be similar in nature to adjustments for the other channels. Just substitute "FRONT 1," "REAR," or "SUBWOOFER," for "FRONT 2." The procedure is the same with only the parameters slightly different, as shown at the end of this section. 4. Enter the Channel select mode by using the button. "FRONT 1" is displayed. a) Use the ▼ or ▲ button to choose a channel. In this example, "FRONT 2." Note: Use the same procedure to select any of the other channels. b) User can also use the button to return to the previous level with "CROSSOVER" or "TIME DELAY" selections. c) Once the channel has been selected, Press "ENTER" to begin making the adjustment. 5. Modify 2 different Crossover parameters: LEVEL and Fc (cut-off Frequency). Once Fc is selected, the Crossover becomes active. Use the or buttons to choose the parameter to modify. Use the ▼ or ▲ buttons to change the parameter. a) LEVEL is adjustable from -15 dB to +15 dB using the ▼ or ▲ buttons. This adjustment changes the LEVEL in 1 dB steps. The range for this parameter remains the same for ALL Channels in ALL modes. b) The Fc adjustment depends on the output mode. The ▼ or ▲ buttons select the frequency. The frequency range of FRONT 2 changes based on the FRONT 1 configuration. Once FRONT 1 is activated (Fc selected), FRONT 2 changes from a High-pass crossover to a Band-pass crossover. This is to accommodate the 2-way output mode. The Fc changes as follows: Output Mode 2 or 4 CH, w/wo Sub FRONT 1 NA FRONT 2 HPF: 50 - 200 Hz @ -12 dB/oct REAR SUB HPF: 50 - 200 Hz @ -12 dB/oct LPF: 50 - 200 Hz; -12/-24 dB/oct 2-Way, 4-CH, 6-CH; w/wo Sub HPF: 200 - 5 kHz @ -12 dB/oct LPF: 200 - 5k Hz @ -12 dB/oct; HPF: 50 - 200 Hz @ -12 dB/oct HPF: 50 - 200 Hz @ -12 dB/oct LPF: 50 - 200 Hz; -12/-24 dB/oct c) For the Subwoofer Channel, a third parameter is available. Use the the ▼ or ▲ buttons to toggle between the 12 dB/oct or 24 dB/oct crossover slopes. d) Upon completing the adjustment, press ENTER to exit back to the "CROSSOVER" sub-menu. e) If all CROSSOVER adjustments have been completed, use the button to return to the PRESET selection mode. Press ENTER again to exit and save the adjustments. f) Use the MODE button at any point, to return to the previous sub-menu to make additional adjustments. "SAVE SETTINGS" stores changes in memory. 18