Abbingdon Music Research DP-777 Premier Class User Manual
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3.5 Zero Jitter
The RC-707 remote control allows the user access the quite exceptional options of the DP-777. When the “Zero
Jitter” option (set by default) is active, a “J” is displayed in the bottom left of the display.
The DP-777’s Global Master Timing (GMT) and Intelligent Memory System (IMS) work to cancel out un-
wanted incoming jitter from the source.
Before the arrival of the DP-777, the issue of solving jitter introduced via SPDIF using a Phase Locked Loop (PLL)
Clock recovery was seen as sufficient. However, this analogue solution to a digital problem is woefully inadequate.
The “J” indicator will
flash to confirm it has
intelligently tracked
the new frequency