User Guide

Instruction Manual DO 100
5
3 PREPARATION
3.1 Inserting the Batteries
The DO 100 is packaged with 4 “AAA” alkaline batteries required for operation. To insert the
batteries into the meter, follow the procedure outlined below.
1. To open the battery compartment, press down the catch of the battery cover. See Figure
3a below.
2. Note the polarity and insert the batteries into the battery compartment correctly (Figure
3b).
3. Replace the battery cover into its original position, ensuring the catch is lock into its
position.
Your hand-held meter is now ready for operation.
Figure 3b: Battery position
Figure 3a: Back panel of meter
showing battery compartment
LR03 'AAA' (AM4)
MADE IN S'PORE