To Set 12- And 24-Hour Display Modes - HP -01 Owner's Manual

Time 14
TO SET 12- AND 24-HOUR DISPLAY MODES. To switch from 12-hour AM/PM to 24-hour
mode whenthe time is displayed, simply press @ @. (The time can be set in the 24-hour mode
as well as the 12-hour mode.) To change back to AM/PM mode, press @@ again.
Press Display
This time display conversion is particularly helpful if you are involved with both military and
civilian time schedules, or if you travel and do business internationally.
Suppose your HP-01 reads 1 /:54 |2| and you are not sure which display mode is
set. Simply add 12 hours, and examine the display.