Inserting the Batteries
Before using the meter, insert three 1.5V “AA” alkaline batteries into battery compartment, follow the procedure outlined below.
1. Remove the battery cover from meter’s backside.
2. Insert the batteries into the battery compartment, note polarity.
3. Replace the battery cover into its original position. Installation is completed.
When batteries are depleted, the meter allows you to use the USB cable connected to computer as a temporarily power supply.