User manual YAMAHA DSP-A3090

[. . . ] NATURAL SOUND DIGITAL SOUND FIELD PROCESSING AMPLIFIER DSP A3090 CINEMA DSP 7ch AC-3 POWER PROCESSOR AC 3 PRO LOGIC DSP DIGITAL SOURCE AC 3 PCM TAPE 2 MONITOR INPUT SELECTOR VOLUME INPUT TRIM SET MENU PROGRAM EFFECT INPUT MODE TV/DBS VCR 1 LD TAPE 1 TUNER PHONES S VIDEO VIDEO AUX VIDEO L AUDIO R BASS EXTENSION BASS TREBLE BALANCE REC OUT SOURCE TAPE 1 LD CD TV/DBS VCR 2 VCR 3/DVD VIDEO AUX VIDEO AUX VCR 2 CD VCR 1 VCR 3/DVD PHONO PRECAUTIONS & SAFETY INSTRUCTIONS CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN SAFETY INSTRUCTIONS 1 Read Instructions ­ All the safety and operating instructions should be read before the unit is operated. 2 Retain Instructions ­ The safety and operating instructions should be retained for future reference. 3 Heed Warnings ­ All warnings on the unit and in the operating instructions should be adhered to. 4 Follow Instructions ­ All operating and other instructions should be followed. [. . . ] Press the Parameter Select w key repeatedly until the title of adjusting mode (6A. REAR EFCT EQ) for the channels on which you will make adjustments is displayed. * The adjusting mode will not be displayed for the channels that are set to "OFF" in step 2. Make adjustments for the selected channels. Select the item with the Parameter Select w or v key and change the value with the Parameter + or ­ key. Selects a turnover frequency of the Highshelving equalizer. Selects a frequency you will boost or cut. Adjusts the equalizing level on the selected frequency. * Adjustment can be made by monitoring sounds using the testtone. To use the test-tone, press the TEST switch so that "TEST DOLBY SUR. " or "TEST DSP" appears on the display. The test-tone is fixed on the channels on which you make an adjustment and output from the corresponding speakers. English It is recommended to make these adjustments together with the tonal quality adjustment of the center speaker on the function "5. NOTE: Excessive increase of the GAIN level may cause an overload. It is recommended to adjust the GAIN level so that it becomes lower than the preset value. 39 Preset value of the CINEMA Equalizer L, C, R EQ HIGH: FRQ . . . . . . . . . . . . 12. 7 kHz GAIN . . . . . . . . . . . . . . . . . . . . . . . . . . . ­3 dB +6 +3 Frequency characteristics The following curves show frequency characteristics when the High-shelving equalizer (HIGH) is adjusted at the indicated values. HIGH: FRQ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1. 0 kHz GAIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +6 dB to ­9 dB +6 +3 PEQ HIGH HIGH + PEQ (OVERALL) 0 ­3 ­6 PEQ: FRQ . . . . . . . . . . . . . 12. 7 kHz GAIN . . . . . . . . . . . . . . . . . . . . . . . . . . . ­4 dB GAIN (dB) 0 ­3 ­6 ­9 20 50 100 200 500 1k 2k 5k 10k 20k GAIN (dB) ­9 20 50 100 200 500 1k 2k 5k 10k 20k Frequency (Hz) FRONT, REAR EFCT EQ HIGH: FRQ . . . . . . . . . . . . 12. 7 kHz GAIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 dB +6 +3 Frequency (Hz) PEQ: FRQ . . . . . . . . . . . . . . . [. . . ] More than 1. 5 Vp-p Signal-to-Noise Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 dB Monitor Out Frequency Response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Hz ­ 10 MHz, ­3 dB Power Supply U. S. A. and Canada models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ]