Alpine HDS-990 HDS-990 Owners Manual - Page 18

Alpine HDS-990 Manual

Page 18 highlights

 Time correction page 1 Rotate the encoder to select the target item, then short press the encoder to select the target item to adjust. 2 Turn the encoder to the left to select [] operation. Setting content: Delay/delay unit Adjust the delay Turn the encoder to select the speaker to be adjusted, and then press theencoder shortly. Setting items: Front left speaker (F-L)/front right speaker (F-R)/rear left speaker (R-L)/rear right speaker (R-R)/left subwoofer (SW-L)/right subwoofer (SW-R) Setting content: Milliseconds:0.000ms~10.000ms (0.01ms/setup) Centimeter:0~346cm(0.3cm/setup) Inch:0~136inch(0.1inch/setup) Adjust the delay unit Turn the encoder to adjust the distance or time correction unit of the selected speaker, then press the encoder shortly. Setting items: Delay unit Setting content: Milliseconds/centimeter/inch  When the subwoofer mode is turned off, the left/right subwoofer cannot be adjusted.  The sum of the adjustment distances of all speakers should be less than 510 cm/201 inches/15 milliseconds.  The time correction unit that can be selected: ms (milliseconds)/cm (centimeters)/inch (inches) X-Over Settings Before performing the following steps, refer to "About Frequency Dividers". Select [X-Over] from the sound setting page. Refer to step 1 of "Sound Settings" (page 12). X-over settings 2-way 3-way  Frequency divider switch page 1 In the setting interface, long press the next song, long press play/pause, and long press previous song to call out the crossover switch, turn the knob to select, and then briefly press the knob to enter the selected crossover page. Setting content: Divider switch 2-way/3-way Frequency Switching Setting items:Divider switching Setting content:2-way/3-way 2-way Frequency  2-way frequency page Setting items: Front speakers/rear speakers/subwoofer Setting content: Frequency/slope 15 EN

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