3M 50 - Manual (Page 7)

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Initial Settings
Press MENU to access the following commands (from HOME screen).
Set day of the week
Touch the Day of the week area to cycle through the days of the week to select the current day.
Set time of day
Touch the Time of Day arrows to move the time selection forward or backward until
it displays the current time. Touch and hold for faster setting.
Set oF-oC display
Touch the oF and it will toggle to oC.
Set audible chirp
Touch the musical note icon to select the chirp
or no chirp.
Return HOME by touching the home icon.
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