This manual is very useful because it presents the technical specifications of the cd player, including the manufacturer of the reader, this helps if you need to replace it. It also displays the settings and layout of the circuit.
Text excerpt from page 11 (click to view)
4. Amount of change of jitter
The amount of change of jitter is displayed in the focus bias check mode. The displayed value has 256 steps from 00 to FF. Example: focus bias (FB) Adjustment value�00 Jitter value�FD
RNDM
RESUME 1 DSL
Tracking offset
Adjustment value
Jitter value
* Adjustment values and jitter values are indicated in hexadecimal.