16-14 Calibration Model 6487 Reference Manual
5. Set the calibration due date as desired then press ENTER. The unit will prompt you
as follows:
SAVE CAL?YES
6. With the YES prompt displayed, press ENTER to save and lock out calibration.
The unit will display:
CAL SAVED
klqb Calibration will also be locked out once saved.
Locking out calibration
Use the following procedure to lock out calibration without saving new calibration
constants:
1. Press MENU, select CAL, then press ENTER. Use the up RANGE key to display
the following:
CAL: LOCK
2. Press ENTER. The instrument will display the following message:
CAL LOCKED.
Calibration support
Changing the calibration code
Follow the steps below to change the calibration code:
1. Press MENU, select CAL, then press ENTER. The instrument will display the
following:
CAL: VOFFSET
2. Use the up or down RANGE key to display the following:
CAL: UNLOCK
3. Press ENTER. The instrument will prompt for the present calibration code:
CODE? 000000
4. Enter the present calibration code on the display. (Factory default: 006487.) Use
the up and down RANGE keys to select the letter or number and use the left and
right arrow keys to choose the position. Press ENTER to complete the process and
the unit will display:
CAL ENABLED
Followed by:
NEW CODE? Y/N
5. Select Y, then press ENTER. The unit will prompt for the new code:
CODE? 000000
6. Enter the new code, then press ENTER.
7. Using the LOCK selection in the calibration menu, lock out calibration after
changing the code.
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