LaMotte DO 6 Dissolved Oxygen Meter - Manual (Page 9)

3.2 Inserting the Batteries
The battery compartment is found at the back of instrument as shown in
Figure 3. To open the battery compartment first remove protective rubber
boot/stand then:
1. Push in the direction of arrow and lift up the cover.
2. Note the polarity of battery before inserting into position.
3. After replacement, place cover back and press down until it locks tight.
Figure 3: Inserting the batteries
3.3 Battery Replacement
A low battery annunciator in the LCD alerts you when battery power is
running low. See Figure 4. Replace with the same type as recommended by the
manufacturer.
Figure 4: Low Battery Condition
Caution: Power off the meter when changing battery.
8
3.0
%
+
-