Alpine IVA-D300 owner manual Adjustment and Storing/Recalling of Time Correction, 39-EN

Example of Bass Focus Setting

1After entering corrections for the front (left and right) speakers in STEP 15, the time difference is 1.5 ms for both front-left and front-right speakers.

1.5ms1.5ms

Storing the Adjusted Contents

The storing/recalling of time correction operation is performed after Step 4 above.

5Touch [MEMORY].

6Within 5 seconds, touch any one of preset buttons [P.SET 1] through [P.SET 6] on the BASS ENGINE screen. The adjusted contents will be stored on the preset number you touch.

•The stored contents on the P.SET number remain undeleted despite a reset operation or disconnection of the battery power cord.

•Adjusted/set contents of each setting item in Bass Engine can be stored in the preset buttons (1 through 6).

∗

2After entering corrections for the left (front and rear) speakers in STEP 15, the time difference becomes 3.0 ms** for the front left speaker and 1.5 ms for the left rear speaker.

**Because the time difference was already set to 1.5 ms for the front left speaker in STEP 1, the additional correction in STEP 15 makes the time difference of the front left speaker 3.0 ms.

Recalling the Stored Time Correction Setting

The storing/recalling of time correction operation is performed after Step 4 above.

5Touch any one of [P.SET 1] to [P.SET 6] on the BASS ENGINE screen.

The stored adjusting contents will be recalled.

Adjustment and Storing/Recalling of the Built-in Crossover

The High and Low Pass Filters on this unit can be adjusted to suit your personal taste.

Setting item: X-OVER

Setting contents: LPF / HPF

1 Touch [ ] of X-OVER.

The screen changes to the X-OVER setup screen.

3.0ms

1.5ms 1.5ms

1.5ms

1.5ms

∗

2 Adjust LPF/HPF by touching [;] or [:] of LPF or HPF.

LPF: Outputs all frequencies lower than that selected according to your preference.

(Only available when using the subwoofer output from this unit.)

HPF: Outputs all frequencies higher than that selected according to your preference.

3 Touch [RETURN] to return to the previous screen.

• When the subwoofer output of this unit is turned OFF, LPF and

phase are deactivated.

Tips

*Subwoofer speaker

Delay (turn the rotary encoder) the audio signal to the front (left and right) speakers to make the apparent position of the subwoofer to be at the front. In doing this, the apparent position between the front (left and right) speakers and subwoofer will appear equal to the driver. After performing above, you can change the positions of left and right speakers by delaying the time.

Adjustment and Storing/Recalling of Time

Correction

Before performing the following procedures, refer to “About the Time Correction” (page 37).

Setting item: T.CORR (TIME CORRECTION)

Setting contents: 0.0-9.9

1 Touch [ ] of T.CORR.

The screen changes to the T-CORR. setup screen.

2Touch [;] or [:] of the desired speaker to adjust the time correction value (0.0 to 9.9).

3Repeat Step 2 above to set another speaker.

4Touch [RETURN] to return to the previous screen.

•The setting contents which have been set in “Time Correction” are applied for the Bass Focus mode.

• Except when the HPF and LPF is turned OFF, the subwoofer is in

monaural mode.

Continued

39-EN