Martel Electronics 235 - Manual (Page 9)

This indicates the date in MMDDYY format of the last factory
calibration. The example indicates the Model 230/235 was calibrated
on August 5, 1993.
The next display will be:
This shows the name of the owner of the calibrator. The above display
shows the default setting as the calibrator is shipped. The name can be
changed by selecting “owner” from the setup menu. See page 25 for
details on how to change the owner’s name.
The next display will be:
This display will remain until the internal tests and calibrations are
finished, followed by the main prompt display:
On the Model 235 calibrator four line display, the time and date are
displayed.
This display indicates the calibrator is operating properly and is ready to
accept input or output function selections.
Operation
230/235 4
property of
YOUR NAME HERE
Auto Calibration
in progress
Select Select
Input Output
Select Select
Input Output
Apr 26 12:21:18