JRC JMA-9133-SA Installation Manual page 218

JMA-9100/7100 Installation Manual > 5.OPTION UNIT > 5.4 INSTALLATION OF SUB-OPERATION UNIT AND EXPANSION OF
TRACKBALL
Remove eight screws from the side surface of the operating unit, remove the lid
and turn the unit upside down. The board is fixed onto the top panel side.
An USB to PS/2 conversion connector can be used.
Fig 5-66:
Connection of expanded trackball
Fig 5-67:
Expanded trackball
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