Adjusting The Vertical Magnetic Unit Option - Skew And Signal Amplitude Control - Olivetti PR2 Service Manual

4.6.8 ADJUSTING THE VERTICAL MAGNETIC UNIT OPTION - SKEW AND SIGNAL
AMPLITUDE CONTROL
This adjustment optimizes the operation of the vertical magnetic unit option. The printer must be
powered on and in the magnetic stripe read mode (line command).
The following conditions are to be checked:
- Correct orthogonality of the magnetic head that allows to obtain a signal similar to the one indicated
in the "Skew" figure, where the spread must be 0.4 max.
- Amplitude of the signal read must be uniform and of a value no less than
4 V peak-to-peak. The signal displayed must be similar to the one indicated in the "Jitter" figure.
683311W
Fig. 4-6 Board View
Service Manual
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