Milwaukee MW105 Manuel D'instructions page 20

20 MW105 & MW106 Portable Meters
Time
Options: hour, minute or second
Press RANGE/ to select. Use  keys to modify the values.
Auto Off
Options: 5, 10 (default), 30, 60 minutes or off
Use  keys to select the time.
The meter will power off after set period of time.
Sound
Options: enable (default) or disable
Use  keys to select.
When pressed, each key will emit a short acoustic signal.
Temperature Unit
Options: °C (default) or °F.
Use  keys to select the unit.