Agilent Technologies Multiple Channel Controller 85330A - Manual (Page 151)

9-22 85330A Multiple Channel Controller
Service
Adjustments
5. Place the lid (including the light pipes) onto the Driver module housing.
6. Screw the lid onto the housing. Tighten to about 7 in-lbs to insure that
the SCU is environmentally sealed.
Adjustments
There are no adjustments that can be made in the mainframe, Digital I/O
card, or the RF switch. Any other adjustments, or settings, that may be
performed due to a part replacement or service, is shown below.
Selecting Positive or
Negative-Edge Event
Triggers 85330-60002 Card
By default, the positive-edge of the EVENT TRIG line starts the
measurement on the 85330-60002 card. If this card is replaced, the EVENT
TRIG line may be required to be changed to a negative-edge trigger. To
change this, perform the following procedure.
CAUTION This device contains devices that are sensitive to static discharge. When you
remove the cover of this device, observe static safety precautions:
•
Place the unit on a grounded anti-static mat.
•
Wear a grounded wrist strap, or
•
Foot straps are only acceptable if you wear one on each foot, and if you
are standing on a grounded floor mat.
See Figure 9-4 .