Alpine CDE-123 Owner's Manual (english) - Page 16

 Setting the Mid Level Turn the Rotary encoder to select the desired Mid level (-7 ~ +7)*. You can emphasize or weaken the Mid level. * The adjustment can also be made by pressing AUDIO. Refer to "Adjusting Subwoofer Level/Bass Level/Mid Level/Treble Level/ Balance (Between Left and Right)/Fader (Between Front and Rear)/Loudness/Defeat" on page 14. Setting the Treble Control 1 After selecting TREBLE from the 3BAND EQ adjustment mode, turn the Rotary encoder to select the desired Treble setting item, and then press ENTER. WIDTH (Q)  CENTER FRQ  LEVEL 2 Turn the Rotary encoder to select the desired setting value, and then press ENTER. 3 Press  to return to the previous step.  Setting the Treble Bandwidth (WIDTH (Q)) Turn the Rotary encoder to select the desired treble bandwidth. WIDE 0.75  NARROW 1.25  Setting the Treble Center Frequency (CENTER FRQ) Turn the Rotary encoder to select the desired treble center frequency. 7.5K (Hz)  10.0K (Hz) (Initial setting)  12.5K (Hz)  15.0K (Hz)  Setting the Treble Level Turn the Rotary encoder to select the desired treble level (-7~+7)*. You can emphasize or weaken the treble level. * The adjustment can also be made by pressing AUDIO. Refer to "Adjusting Subwoofer Level/Bass Level/Mid Level/Treble Level/ Balance (Between Left and Right)/Fader (Between Front and Rear)/Loudness/Defeat" on page 14. Adjusting the High Pass Filter The High Pass Filter on this unit can be adjusted to suit your personal taste.  Setting item: HPF Setting contents: OFF (Initial setting) / 60 (Hz) / 80 (Hz) / 120 (Hz) / 160 (Hz) All frequencies above the selected cutoff are output. Turning Subwoofer ON/OFF When the subwoofer is on, you can adjust the subwoofer output level (refer to "Adjusting Subwoofer Level/Bass Level/Mid Level/Treble Level/ Balance (Between Left and Right)/Fader (Between Front and Rear)/ Loudness/Defeat" on page 14).  Setting item: SUBWOOFER Setting contents: ON (Initial setting) / OFF ON: The subwoofer signal is output from the Subwoofer RCA Connectors (refer to "Connections" on page 42). OFF: No subwoofer signal is output from the Subwoofer RCA Connectors (refer to "Connections" on page 42). Adjusting the Low Pass Filter The Low Pass Filter on this unit can be adjusted to suit your personal taste.  Setting item: SUBW LPF Setting contents: OFF (Initial setting) / LPF 60 (Hz) / LPF 80 (Hz) / LPF 120 (Hz) / LPF 160 (Hz) All frequencies lower than the selected cutoff are output. Setting the Subwoofer Phase The subwoofer output phase is toggled SUBWOOFER NORMAL (0°) or SUBWOOFER REVERSE (180°). To adjust the level, turn the Rotary encoder.  Setting item: SUBW PHASE Setting contents: NORMAL (Initial setting) / REVERSE Setting the Subwoofer System When the subwoofer is on, you can select either SYS 1 or SYS 2 for the desired subwoofer effect.  Setting item: SUBW SYS Setting contents: SUBW SYS 1 (Initial setting) / SUBW SYS 2 SUBW SYS 1: Subwoofer level changes according to the main volume setting. SUBW SYS 2: Subwoofer level change is different from the main volume setting. For example, even at low volume settings, the subwoofer is still audible. 16-EN