You can set your meter to display different options.
To get into set-up mode, press and hold M for three seconds.
A complete display will briefly appear, then go to a display with the time.
Setting the Time:
The number in the hour position will be flashing.
Press ▲ or ▼ until you reach the correct time.
Press M to set.
The number in the minute position
will now fl ash. Press ▲ or ▼ until you reach the correct
minute.
Press M to set.
The PM will now fl ash. Press ▲ or ▼ to choose AM or PM.
Press M to set.