User Manual

AP033 Active Differential Probe
40 922260-00 Rev A
Figure 8, Probe Tip Adjustment Locations
B. Adjust Coarse DC Balance (R226)
1. Remove the shorting plug from the Logic Board.
2. Change the channel 1 Probe Gain to X1.
3. Reinsert the shorting plug into the two holes near the end of the Logic Board.
4. Reenter Cal Mode by pushing any one of the four buttons that protrude through holes in the
Logic board.
5. Adjust Coarse DC Bal (R226) on the amplifier board for (See
Figure 9 for location.)
Figure 9, Amplifier Board Adjustment Locations