LaMotte DO 6 Dissolved Oxygen Meter - Manual (Page 23)

Temperature mode. Salinity setting feature, on the other hand, will only be
available when Set Up menu is derived from the mg/L (ppm) Concentration
mode. See Section - Advanced Setup Overview for more information.
During measurement, the DO meter will automatically compensate for salinity
and pressure based on the values entered in the Set Up Menu. The meter is
factory set at 760 mm Hg (101.3 kPa) barometric pressure setting and a salinity
factor of 0.0 ppt.
5.4.1 Pressure Setting Adjustment
(See Figure 16 for flow chart explanation)
1. Switch off your meter in mg/L (ppm) Concentration mode.
2. While pressing and hold the MODE key, switch on the meter by pressing
the ON/OFF key.
3. Once the ON/OFF key is released, the meter will enter the Set Up menu
by displaying “SEt.P”. By releasing the MODE key, the display will show
the configuration menu “COF.1”. See section – Advanced Setup
Functions
4. Press the
p and q keys to scroll through the Set Up main group menu till
the display shows “DPr.7”.
5. Press the HOLD/ENTER key and the meter will enter the barometric
pressure units selection menu with the display showing one of two; either
“A.HG” for mm Hg or “A.PA” for kilo Pascal, depending on what the
meter’s last set up was.
6. Use the
p and q keys to toggle between the two units of pressure
measurement and press the HOLD/ENTER key to confirm selection.
7. Use the
p and q keys to set the pressure value and press the
HOLD/ENTER to confirm the setting. A confirmation indicator “CO” will
be displayed for 1.5 seconds before the meter shows the next display of
Salinity setting “b.SAL”. If the Set Up menu is derived from other than the
mg/L (ppm) Concentration mode, the meter will return to the Set Up
main group menu “DPr.7”.
8. Press CAL key to return to measurement mode, or continue to make a
salinity setting adjustment.
.
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