General Tools and Instruments DOM5512SD - Manual (Page 7)

▲ button to navigate to the current month and press the REC/ENTER button to store
the setting. When the next screen flashes the value above “dd”, again use the ▼ or ▲
button to navigate to the current day and press the REC/ENTER button to store the
setting.
Once you have set the date, the display will prompt you to set the hour, minute and
second of the current time. Again use the ▼ or ▲ buttons to navigate to the correct
values, and the REC/ENTER button to store the settings.
5. Set the datalogging sampling time. Once the date and time have been set and
stored, the display will show a value below the letters “SP-t”. Press the ▼ or ▲
button to decrease or increase the flashing hour value until the desired number
appears below “SP-t”. Press the REC/ENTER button to store that setting. The minutes
value will then flash. Press the ▼ or ▲ button to decrease or increase the value and
then press the REC/ENTER button to store that setting. Finally, press the ▼ or ▲
button to decrease or increase the flashing seconds value and then press the
REC/ENTER button to store that setting.
6. Enable or disable auto power off. Once the sampling time has been set and stored,
the display will show the word “yES’ over the term “PoFF”. Press the ▼ button until
the desired automatic power off management scheme (“yES” for enable; “no” for
disable) is displayed. Press the REC/ENTER button to store the selection. If enabled,
the power off function shuts off the DOM5512SD after a period of inactivity of ten
minutes.
7. Enable or disable the beeper. Once the auto power off function has been enabled or
disabled, the display will show the word “yES” over the word “bEEP”. Press the ▼
button until the desired setting (“yES” or “no”) is displayed, and then press the
REC/ENTER button to store the selection.
8. Choose a decimal point or comma to represent the decimal division between
integers and fractions (for example, American-style 20.88 vs. European-style 20,88).
Once the beeper has been enabled or disabled, the display will show the word
“bASIC” above the phrase “dEC”. Press the ▼ button to make “bASIC” (American
style) or “Euro” appear in the upper display, as desired. Press the REC/ENTER button
to store the selection.
9. Select the temperature unit. Once the format of decimal divisions has been set and
stored, the display will show the term “t-CF”. Press the ▲ or ▼ button until your
preferred unit—degrees Fahrenheit (ºF) or degrees Celsius (ºF)—is displayed. Then
press the REC/ENTER button to store the setting as the default.
10. Compensate DO measurements for the presence of salt in the liquid. Once the
temperature unit has been selected and stored, the term “SaLt” will appear in the
lower portion of the display. Press the ▲ or ▼ button repeatedly until the reading in
the upper portion of the display matches the known percentage of salt in a liquid
sample. Then press the REC/ENTER button to store this value as the temporary default
(until the instrument is powered off).
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