I had the dti pro, and the pro 32. I can't remember the exact sequence.---I do remember holding one button in while pushing another. you get 1/2/or 3 lights. You have to listen to each to find what sounds better to you.--Maybe someone will chime in and be more specific.
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Press and hold down the Phase Button, While it is depressed, press the input button, note that the "INPUT LED's" change each time the INPUT button is depressed. The INPUT's LEDS indicates which dithering selection has been made. If the top LED is on, then no dirthering has been selected, use this setting if your DAC is only capable of handling a 16 bit data stream. If the middle LED is on, then the unit is dirthering at 18 bits, and should be used with 18 bit DACs ***note if you use this setting with a DAC only capable of 16 bit resolution , you may get some ringing. If the bottom LED is on, then the unit is dirthering at 20 bit ***note if you use this setting with a 16 or 18 bit DAC, you may get some ringing. After settting the dirthering, go back and make sure you haven't changed the units "PHASE"...this can happen sometimes after toggeling the buttons, while trying to set dirthering. Your DTI Pro 32 is capable of 2 seperate function..... 1st... it will dejitter a 16 bit data stream, this will tighten up the bass, and clean up the top end. Makes it less fatiguing 2nd... it will add dirthering to make a 16 bit word, look like up to a 20 bit word to the DAC. This seems to increase the dynamic range a bit. Dirthering is accomplished by adding very small amounts of low level "Quantitized" noise to the original word string, this tricks the DAC into thinking the word string is longer, hence puesdo 18 and 20 bit resolution. The 32 in the model number indicates that the unit actually expands the word string to 32 bits, and then choses, via a floating decimal point, the best 16 bits before dithering. If you can find one of those high current power supplies PS2,PS3 or PS4 do so, and replace that wall wart that comes from the factory. Also if you can locate one of the Channel Island upgrade chips, you can take another step forward. The Channel Island chip looks at the data stream a little differently than the factory upgrade chip...The CI chip looks at the bass info separately than the Mids and Treble. One last thing, those BNC to RCA adapters that come from the factory aren't the best. You can get the ends of your interconnect that go to the DTI PRO 32 reterminated with BNC's, or look for a high quality "true" 75 ohm BNC to RCA adapter. At one time they were available from Virtual Mode. Some will say this doesn't make any difference, I beg to differ. Have Fun, Dave |
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