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12.5 Calibration (Changing the Factory Default Calibration Values)
12-10
Executing Calibration
3.
Press LOCAL . CALIB is displayed in Display 2, the sequence of tests is
displayed in Display 1 as they are carried out (dC -> tV -> FunC), and then
PASS or FAIL is indicated.
If PASS is displayed, the board is operating normally. Go to step 4.
If FAIL is displayed, a problem has occurred. Proceed to step 5.
Changing the Factory Default Calibration Values
4.
Press SHIFT. CAL COPY appears in Display 2, and after the factory default
calibration value is changed, PASS appears in Display 1. The new calibration
value will take effect the next time the power is turned ON. Go to step 6.
If calibration is not completed successfully, FAIL is displayed in Display 1 after
CAL COPY. In this case, servicing is required. Contact your nearest
YOKOGAWA dealer for repairs.
Checking the Calibration Results
5.
Turn the rotary knob to display DC CAL, TV CAL, or FUNC CAL in Display 2.
PASS or a hexadecimal value is displayed in Display 1.
If PASS is displayed, the calibration results are normal.
If a hexadecimal value is displayed, a problem has occurred. Please note the
hexadecimal value that is displayed.
The calibration items corresponding to the words displayed in Display 2 are as follows:
DC CAL:
AC voltage level
TV CAL:
Time–voltage conversion
FUNC CAL:
Measurement/computation
To perform all calibrations again, press LOCAL.
6.
Press <. TESTMODE is once again displayed in Display 2.
Restarting the Instrument
7.
Turn OFF the power switch.
8.
After approximately three seconds, turn the power switch ON again. The model
name and results of each test are displayed on Display 2 (model name -> EQ
board -> MEMORY -> ETHER, and so on). If the test program finishes
successfully, the instrument enters measurement mode.
IM 704610-01E
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