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85330A Multiple Channel Controller 9-23
Service
Adjustments
Figure 9-4 Positive/Negative-Edge EVENT TRIG jumpers
1. Remove the two screws that hold the E1330B board in place.
2. Remove the four screws that hold the 85330-60002 board in place.
3. Pull out the two boards at the same time. You can do this by pulling each
one out a little at a time, until they are both removed. Place the boards
on an anti-static surface.
Standard positive-edge operation is set at the factory by jumpering E9
and E10 together.
4. To select negative-edge operation, move the jumper across E9 and E8.
5. Reinstall the boards and screws.
Selecting the Multiple
Channel Controller’s
GPIB Address
The factory default setting of the GPIB address is 9. To view the GPIB
address:
Press
[Select Instr] {SYSTEM} {GPIB} {READ}
To change the current GPIB address:
1. Press
[Select Instr] {SYSTEM} {GPIB} {SET}.
2. Enter the new address and press
[Return].