Personal Ozone Monitor Manual Rev. E-2
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from the current value of Z; e.g., if Z was set to 3 during the measurements, change Z
to
–1. For more details about calibrating the Personal Ozone Monitor against another
instrument or calibrated ozone source, see
the “Calibration” section of this manual or
refer to Tech Note No. 15 at:
http://www.twobtech.com/tech_notes/TN015.pdf
5.11. To Set the Time and Date
From the main
Menu
, select the
Cfg
submenu. Next, select the
D/T
submenu. The
display will read, for example:
D/T:
14:32:21
17/10/2015
meaning that it is 21 seconds after 2:32 p.m. on October 17, 2015 (military time and
European date). To change a number in the date and time, move the cursor to
underline the numeral you want to change. Pressing the Select button then causes a
blinking cursor to cover that numeral. The number can then be changed by pressing
the Move button. Once the number is correct, press the Select button to turn off the
blinking cursor. You may now use the Move button to choose another numeral to
change. Once the time and date is correct, selecting
will set the internal clock to
that time and return the display to the
Cfg
menu. As in setting a digital watch, the
seconds should be set in advance of the real time since the clock starts to run again
only when the set time is entered; in this case by selecting
.
5.12. Viewing the Power Supply Voltage via the Front Panel
To view the power supply voltage in real time, select
Bat
from the
Cfg
Menu. Exit this
view by pressing the Select button.
5.13. Viewing GPS Coordinates via the Front Panel
To view real time Latitude, Longitude and Altitude data, select
GPS
from the
Cfg
Menu. Latitude and Longitude are constantly shown and Altitude (in meters) is
available by pressing and holding the Move button. Exit this view by pressing the
Select button.
