General Tools and Instruments DTR900 v.1 - Manual (Page 6)

SET THE TIME AND DATE
Flip the unit over in your hand so its front faces you
and note that the minutes field of the TIME display
at right is flashing. Press the MIN/MAX button as
many times as necessary to advance the minutes
reading to the correct value. Then press the
IN/DATE button to store the setting.
Note that storing the minutes setting causes the
hour field of the TIME display to begin flashing.
Without delay, press the MIN/MAX button as many
times as necessary to advance the hour reading to
the correct value (including AM or PM if you have
chosen °F units). Then press the IN/DATE button to
store the setting.
Immediately after the hour setting is stored, the
month field of the DATE display at lower left will
begin flashing. (If you have chosen °F units, the
month field will be on the left; if you have chosen
°C units, the month field will be on the right).
Without delay, press the MIN/MAX button as many
times as necessary to advance the month to the
correct value. Then press the IN/DATE button to
store the setting.
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when the display is flashing “11:XX AM”
advances the display to “12:XX PM”.
• The DTR900 will show the date in a “Month-
Day” format (as in the U.S., China and Japan).
If the switch is in the °C position:
• The DTR900 uses a 24-hour clock (also called
military or railway time). For example, pressing
the MIN/MAX button when the TIME display is
flashing “12:XX” advances the display to
“13:XX”.
• The DTR900 will show the date in a
“Day-Month” format (as in South America
and most of Europe).
Move the °F/°C switch to the position you prefer.
Then—if you are prepared to enter the time and
date quickly—remove the tab between the
battery’s + terminal and its connector. This
activates the unit. You must then begin within
15 seconds to…
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