Disassembly
Series N6700 User’s Guide
155
Accessing the Calibration switch
WARNING
SHOCK HAZARD. FAN HAZARD. Turn off the mainframe and disconnect its
power cord before attempting any of the following procedures.
Step 1.
Remove the blower cover (cover is shown in the previous figure).
Remove three screws from the top of the cover and two screws on the
sides. Tilt the cover up and slide it out.
Step 2.
Remove the GPIB/carrier board cover. Remove the three screws
along the side of the unit counting from the rear panel. Then remove
the screw at the end of the carrier board that attaches the cover to
the board (refer to the following figure). Lift off the cover.
Step 3.
The calibration switch is located under the ribbon cable close to the
GPIB board. Change the calibration switch settings. Use a small
screwdriver to move the switches. Refer to Appendix B for settings
information.
CAUTION
Do not use a pencil to move the switches. Any graphite dust that gets on the
switches will conduct electricity.
Step 4.
Replace the GPIB/carrier and the blower covers when finished. Be
careful not to bend the RFI clips on the edge of the blower cover
when sliding it under the lip of the output modules.
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ON