Micro 800 Optical DO Instruction Manual
Rev 1
© 2014 Palintest Ltd.
www.palintest.com
Page 11 of 41
temperature is automatically corrected for. During measurement of EC, the readings can be
displayed without any temperature correction, corrected to 20
q
C, or corrected to 25
q
C. See
section 9: Setting Units of Measurement for more details.
During calibration of the DO electrode, variations due to temperature and air pressure are
automatically compensated for. During the measurement of DO, temperature, air pressure
and salinity are automatically compensated.
7.
GPS Reception
The Micro 800 Meter contains a built-in GPS receiver and antenna. The antenna is situated
at the top of the case, just behind the PALINTEST Logo.
For optimum s
ignal reception, the antenna must be able to ‘see’ a reasonably large amount
of the sky.
The GPS receiver will not work indoors or when shielded from the sky by
any solid structure.
After switch-on, the GPS receiver will automatically start to search for satellites. During this
phase an ‘A’ character will be shown at the top right of all the screens.
As soon as three satellites are acquired, two dimensional position (no altitude) will be
calculated and a ‘2D’ character will be shown at the top right of a
ll the screens.
Once a fourth satellite is acquired, altitude will be calculated and a ‘3D’ character will be
shown at the top right of all the screens. With a good view of the sky, position should be
calculated within ninety seconds of switch-on. To see your geographic position and the
number of satellites in use, use the left or right arrow keys to scroll to the Position page.
If you switch the meter on indoors, then carry it outside after several minutes, there may be
a considerable delay in acquiring satellites. In this case, switch the meter off, then back on
again to reset the acquisition process.
