Keysight U1241C/U1242C Service Guide 13List of FiguresFigure 1-1 Display screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21Figure 1-2 Example of A-Er for wrong terminal input . . . . . . . . . .22Figure 1-3 Example of μAEr for wrong terminal input . . . . . . . . .23Figure 1-4 Calibration security code . . . . . . . . . . . . . . . . . . . . . . .35Figure 1-5 Unsecuring the multimeter . . . . . . . . . . . . . . . . . . . . .37Figure 1-6 Changing the calibration security code . . . . . . . . . . . .39Figure 1-7 Resetting the calibration security code to its factorydefault . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41Figure 1-8 Rotary switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43Figure 1-9 Vsense (non-contact voltage) calibration . . . . . . . . . .49Figure 1-10 Calibration count mode . . . . . . . . . . . . . . . . . . . . . . . .53