Harbor Freight Tools Model 67980 - Manual (Page 28)

Operation Instructions
On Screen Navigation
26
272B
While in the Primary Settings Screen (Fig. 12), select Advanced
Settings from Setup and then press OK button, you will enter
the secondary settings screen (Fig. 25) where you can set the
Date and Time, Restore Defaults and select a Language as
needed. Press the Back button at any point to go back to the
primary settings screen and press it again to go back to the live
screen.
Fig. 25