Selecting Units; Auto Power-Off; Backlight - Tintometer Lovibond SD 400 Oxi L Mode D'emploi

S means that the salinity correction is deactivated if, for instance, fresh water samples or
OFF
water samples with a very low ion content are being measured.
The salinity correction can be activated (S
the sample to be measured is entered in ppt or in mS/cm. This value is then used for the
salt compensation. The current settings are selected by pressing the ENTER button and the
instrument returns to measuring mode. Alternatively, you can proceed to the concentration
display with the RIGHT arrow key:
1. Select CONFIG with the arrow keys (RIGHT/LEFT) and confirm with ENTER.
2. The S is selected with the arrow keys (RIGHT/LEFT). The salt correction is activated with
OFF
the arrow keys (UP/DOWN): S
3. The desired unit (ppt or mS/cm) is selected and confirmed with ENTER.
4. The value can be increased/decreased with the arrow keys (UP/DOWN). The cursor can be
movedto the next position with the arrow keys (RIGHT/LEFT). The value is confirmed with
ENTER.
5. Now the salt content will be compensated for according to the displayed oxygen values.

7.4 Selecting units

Concentration display (mg/l or ppm)
Select the CONFIG menu with the arrow keys (RIGHT/LEFT) and confirm with ENTER. The
display of the CONCENTRATION is selected with the arrow keys (RIGHT/LEFT). The arrow keys
(UP/DOWN) are used to select mg/l or ppm. The current settings are selected by pressing the
ENTER button and the instrument returns to measuring mode. Alternatively, you can proceed
to the temperature with the RIGHT arrow key.
Temperature
Select the CONFIG menu with the arrow keys (RIGHT/LEFT) and confirm with ENTER. The
display of the TEMPERATURE UNIT is selected with the arrow keys (RIGHT/LEFT). The arrow
keys (UP/DOWN) are used to select °C or °F. The current settings are selected by pressing the
ENTER button and the instrument returns to measuring mode. Alternatively, you can proceed
to the Auto Power-Off function with the RIGHT arrow key.

7.5 Auto Power-Off

The display P0 means that the automatic shut-down function is deactivated and the instru-
ment remains switched on continuously.
The display P1 means that the instrument switches off automatically after 10 minutes (after
the last use of a button).
We recommend activating the shut-down function in order to extend the service life of the
sensor and the batteries.
If the automatic shut-down function is activated (P1 display), a 30-second countdown is
shown in the display before the instrument switches off. You can then select with the arrow
keys (RIGHT/LEFT) whether the device should be switched off or not. The current settings
are selected by pressing the ENTER button and the instrument returns to measuring mode.
Alternatively, you can proceed to the date display with the RIGHT arrow key.

7.6 Backlight

The backlight of the display is switched on and off by pressing the ON/OFF button. The back-
lighting does not switch off automatically. In order to extend the battery life, we recommend
not leaving the light switched on continuously.
26
) in CONFIG. The known salt concentration of
ON
and confirm with ENTER.
ON
SD_400 Oxi L_4a 01/2021