Agilent Technologies 54835A Service Manual page 30

Chapter 2: Preparing for Use
To attach the optional trackball
While holding the latch in, slide the metal tabs up and to the rear of the oscilloscope
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until they fully engage the slot.
Release the latch. The trackball baseplate should now be secure against the side of the
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oscilloscope.
Snap the trackball assembly onto the pins of the baseplate. The trackball and buttons
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should face up and toward the front of the oscilloscope.
Connect the 9-pin "D" connector on the trackball cable to the COM1 port on the back
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panel. Tighten the retaining screws.
For information on changing the trackball settings, see the User's Quick Start Guide.
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