Instructions

Operator’s Manual
39
Figure 10, 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. Re-enter 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 an output voltage of 0 mV -10
mV. (See Figure 11 for location.)
Figure 11, Amplifier Board Adjustment Locations