Calibration Procedures 1
Keysight U1270 Series Service Guide 45
Adjustment procedure
1 Turn the rotary switch to the respective test function position as shown in the
adjustment input values table (Table 1-3).
2 Unsecure the instrument to enter the adjustment mode. (See “Unsecuring the
Instrument for Calibration” on page 36).
3 The reference value of the calibration item will be shown on the display.
Figure 1-8 Reference value display
4 Configure each calibration item.
5 Use the arrow keys to select the calibration range.
6 Apply the input signal shown in the Reference value column of Table 1-3. The
analog bar graph displays the input reading. There is no bar graph display for
temperature adjustment.
Review the “Test Considerations” and “Adjustment considerations” before
beginning the adjustment procedures.
While in the adjustment mode, press and simultaneously to exit the
adjustment mode.