How to set a lock code on a DM300C, DM400C, DM450C, and DM475
Products affected: DM300C™, DM400C™, DM450C™, DM475™
Follow these steps to set up a code that will be required to use the meter:
- Press Menu.
- Select Setup.
- Select Lock Code/Password.
- Select Change Lock Code.
Note: If you currently have a lock code, you will be prompted to enter it now.
- Enter the new lock code.
- Select Accept.
- Re-enter the new lock code to confirm.
- Select Accept.
- At the Lock Code Enabled message, select OK.
UPDATED: May 06, 2020
