Lathem 4000 - Manual (Page 7)

2000 – 4000 Series Time Recorder User’s Guide
Page 5
Dial of Decimal Equivalents
Figure 3
The dial in Figure 3 shows the tenths and hundredths setting for each
minute. The inner circle represents regular minutes, the middle circle
represents tenths, and the outer circle represents hundredths of a
minutes.
For example:
45 minutes = .7 tenths = .75 hundredths