When Using the Main Unit with Batteries
*Always use alkaline batteries. (4
•When replacing batteries, always use 4 fresh alkaline batteries of the same type from the same manufacturer, and replace them simultaneously.
1.Turn the main unit over and
remove the battery cover by sliding it in the direction of the arrow while pressing
lightly on the
mark.
2. Check the polarities of the batteries and install them correctly.
3. Replace the battery cover and slide it closed.
Notes for using the main unit with batteries
Approximately 150 measurements can be taken. Depending on the conditions, battery life may be dramatically shortened.
Use of the main unit with the dedicated AC adapter (EW31555) (included) is recommended.
Replace batteries when:
• The mark shown to the left appears during use.
• No display appears even if the On/Off and Start button is pressed.
CAUTION:
•Always follow the cautions printed on the batteries.
•Check the polarities of the batteries and install them correctly.
•Remove exhausted batteries promptly.
•If the product will not be used for long periods of time, remove the batteries first.
•Batteries should be used before their expiration date.
Use after the expiration date may result in injury or staining of the surrounding area due to generation of heat, bursting, or leakage.