Évaluations - 4, GPA: 3.8
(
)
)
|
Facilité d'utilisation
X-Over), press and hold the desired preset buttons for at least 2 seconds. 2Turn the Rotary encoder to select PROTECT YES/NO, and then press /ENT to store the adjusted contents. PROTECT YES (Initial setting) PROTECT NO •If YES is selected, the adjusted contents are protected and stored into the preset buttons. When you want to store the parameter into a protected preset button, “Replace NO/YES” can be selected. •If NO is selected, the preset is stored. •While perform this operation, all adjusted contents of Parametric EQ/Graphic EQ, Time Correction and X-Over will be stored in the preset buttons. •The stored contents are not deleted even when resetting the unit or disconnecting the battery. •The stored contents can be recalled by performing operation in “Recalling the Stored Sound Field Adjustment Settings” (page 33). Recalling the Stored Sound Field Adjustment Settings The stored Sound Field Settings contain Parametric EQ/Graphic EQ Adjustment, Time Correction and X-Over settings that are stored in the preset memory. 1After selecting any item of the Sound Field Adjustment mode (e.g. X-Over), press any one of the preset buttons (1 through 6) that has your desired characteristic in memory to recall the stored settings. 2Press the preset buttons again to return to the Sound Field Adjustment mode. •While performing this operation, all adjustment contents of Parametric EQ/Graphic EQ, Time Correction and X-Over stored in the preset buttons will be recalled. About Time Correction The distance between the listener and the speakers in a boat vary widely due to the complex speaker placement. This difference in the distances from the speakers to the listener creates a shift in the sounds image and frequency characteristics. This is caused by the time delay between the sound reaching the listener’s right versus the left ear. To correct this, this unit is able to delay the audio signal to the speakers closest to the listener. This effectively creates a perception of increased distance for those speakers. The listener can be placed at an equal distance between the left and right speakers for optimum staging. The adjustment will be made for each speaker in 3.4cm steps. Adjust the time correction level of the front left speaker to a high value and the rear right to zero or a low value. The sound is not balanced because the distance between the listening position and the various speakers is different. The difference in distance between the front left speaker and the rear right speaker is 1.75 m (68-7/8"). Here we calculate the time correction value for the front left speaker in the diagram on the above. Conditions: Farthest Speaker – listening position : 2.25 m (88-9/16") Front left speaker – listening position : 0.5 m (19-11/16") Calculation: L = 2.25 m – 0.5 m = 1.75 m (68-7/8") Time correction = 1.75 . 343*1 . 1000 = 5.1 (ms) *1Speed of sound: 343 m/s (765 mph) at 20°C In other words, giving the front left speaker a time correction value of 5.1 ms makes it seem as if its distance from the listener is the same as the distance to the farthest speaker. Time correction eliminates the differences in the time required for the sound to reach the listening position. The time of the front left speaker is corrected by 5.1 ms so that its sound reaches the listening position at the same time as the sound of other speakers. Adjust the time correction level of each speaker to almost the same level. 1Sit in the listening position (driver’s seat, etc.) and measure the distance (in meters) between your head and the various speakers. 2Calculate the difference between the distance correction value to the farthest speaker and the other speakers. L = (distance to farthest speaker) – (distance to other speakers) These values are the time correction values for the different speakers. Setting these values to make each sound reach the listening position at the same time as the sound of other speakers. Time Correction Value List Delay Number Time Difference (ms) Distance(cm) Distance(inch) DelayNumber TimeDifference(ms) Distance(cm) Distance(inch) 0 0.0 0.0 0.0 51 5.1 173.4 68.3 1 0.1 3.4 1.3 52 5.2 176.8 69.7 2 0.2 6.8 2.7 53 5.3 180.2 71.0 3 0.3 10.2 4.0 54 5.4 183.6 72.4 4 0.4 13.6 5.4 55 5.5 187.0 73.7 5 0.5 17.0 6.7 56 5.6 190.4 75.0 6 0.6 20.4 8.0 57 5.7 193.8 76.4 7 0.7 23.8 9.4 58 5.8 197.2 77.7 8 0.8 27.2 10.7 59 5.9 200.6 79.1 9 0.9 30.6 12.1 60 6.0 204.0 80.4 10 1.0 34.0 13.4 61 6.1 207.4 81.7 11 1.1 37.4 14.7 62 6.2 210.8 83.1 12 1.2 40.8 16.1 63 6.3 214.2 84.4 13 1.3 44.2 17.4 64 6.4 217.6 85.8 14 1.4 47.6 18.8 65 6.5 221.0 87.1 15 1.5 51.0 20.1 66 6.6 224.4 88.4 16 1.6 54.4 21.4 67 6.7 227.8 89.8 17 1.7 57.8 22.8 68 6.8 231.2 91.1 18 1.8 61.2 24.1 69 6.9 234.6 92.5 19 1.9 64.6 25.5 70 7.0 238.0 93.8 20 2.0 68.0 26.8 71 7.1 241.4 95.1 21 2.1 71.4 28.1 72 7.2 244.8 96.5 22 2.2 74.8 29.5 73 7.3 248.2 97.8 23 2.3 78.2 30.8 74 7.4 251.6 99.2 24 2.4 81.6 32.2 75 7.5 255.0 100.5 25 2.5 85.0 33.5 76 7.6 258.4 101.8 26 2.6 88.4 34.8 77 7.7 ...
Ce manuel est également adapté pour les modèles :Unité - CDA-9886M (1.86 mb)