Vishay VT400 - Service Operations Details; 8.1.3 Viewing Load Cell mV; 8.1.4 Viewing A;D Count; 8.1.5 View Software Version

Service Operations and Testing
Service Operations
VT400 Technical Manual, Rev. A5 57 Doc # UM-VT400-EN
To check calibration seal and audit trail counter:
1. Access the function menu and select function 48.
2. The display shows the audit trail counter. Check to see that this counter is the
same as it was after the last authorized calibration. Press PRINT (
).
3. The display shows the status of the physical calibration seal. Press ESC (
) to exit.
8.1.3 Viewing Load Cell mV (Function 80)
To view an mV meter:
Access the function menu and select function 80. The indicator loads calibration
data, and displays the mV transmitted by the load cell.
8.1.4 Viewing A/D Count (Function 81)
To view the A/D count:
Access the function menu and select function 81. The indicator shows the internal
count of the analog-to-digital converter. Press ESC (
) to exit.
8.1.5 View Software Version Number and Date (Function 82)
To view the number and date of the current software version:
Access the function menu and select function 82. The indicator shows software
version number and the date it was released. Press ESC (
) to exit.
8.1.6 Locking and Unlocking Keys
To lock keys:
1. Access the setup menus and navigate to SETUP > SETUP 1.
2. Set one or more of the following parameters to 1:
 1.3 – ZERO.
 1.4 – TARE.
 1.5 – P.TARE.
 1.6 – PRINT.
 1.7 – TOTAL.
 1.8 – FUNCTION.
Keys you lock will not work (i.e. if a user presses them nothing will happen) until
you unlock them.