Panasonic SL-1200MK7R Owners Manual - Page 20

Pitch control (fine adjustment to pitch) 1 Press [RESET] to turn off the RESET LED lamp. 2 Press the pitch range select button to select the pitch range.  [×2] light on: ±16%  [×2] light off: ±8% 3 While the turntable is revolving Slide [PITCH ADJ].  Pitch can be adjusted between approx. -8% and +8% or approx. -16% and +16% according to your selection.  The numbers represent approximate percentages for your adjustment. Pitch range select button RESET LED lamp Pitch ADJ control RESET button To measure pitch The four rows of strobe mirrors around the edge of the turntable can assist you in measuring pitch. Strobe mirrors
+6.4% change in pitch when stationary +3.3% change in pitch when stationary Normal turntable speed (33-1/3, 45 or 78 rpm) when stationary -3.3% change in pitch when stationary Attention The strobe mirrors are lit by the strobe light (LED lighting) synchronized with the precise frequency of the digital control. Always use this LED lighting to measure the pitch. Strobe light To reset pitch to the preset value Press [RESET]. The RESET LED lamp lights and the pitch immediately returns to a preset value regardless of the [PITCH ADJ] position. (33-1/3, 45 or 78 rpm)  RESET LED on: Fixed to the preset value.  RESET LED off: Can be adjusted with [PITCH ADJ]. 20 (20) English