Keysight Technologies U1450 Series Service Manual

Keysight Technologies U1450 Series Service Manual Manual pdf 37 page image

Calibration Procedures 1Unsecuring the Instrument for CalibrationU1450 Series/U1461A Service Guide 35To change the calibration security code1 After the instrument has been unsecured, press (forU1452A/U1452AT/U1451A) or press (for U1461A/U1453A) formore than 1 second.2 The factory default calibration security code “1234” is shown on thedisplay if you are changing the calibration security code for the firsttime.3 Set your new calibration security code (0000 to 9999).• Press or to move the cursor to the right or to the left.• Press or to increment or decrement the digit.4 Press to save the new calibration security code.5 Alternatively, press (for U1452A/U1452AT/U1451A) or press(for U1461A/U1453A) for more than 1 second to cancel thechanges made.If the new calibration security code has been successfully stored, thedisplay will show PASS. Record down your new calibration security code,and store it in a safe location.To reset the calibration security code to its factory defaultIf you have forgotten the correct calibration security code, you may followthe steps below to reset the calibration security code to the factory defaultcode (1234).U1461A/U1453A U1452A/U1452AT/U1451A