About components
Name of each part
How to use
Trouble-shooting
Product standards
Trouble shooting
31
4-1
How to replace a battery
Replace the battery
2
Open the cover of the main body
1
•
Replace all 4 batteries with the correct direction as shown in the picture (AA 1.5V alkaline battery)
•
Unfasten the screw on the battery cover by
turning counterclockwise, and then pull it
forward to open the cover.
Note
•
If the battery polarity (+ -) is incorrectly inserted, the product will not work.
•
Replace batteries with brand new alkaline batteries. (do not mix for use)
•
If you hear the battery change voice guide, replace batteries with new ones as soon as
possible.
•
The product will stop working suddenly if batteries are not changed when you hear the
voice guide reminder to change battery.
When the product is being used and the battery needs to be replaced, the battery change LED light on the lower left will illuminate if the keypad is touched.
➜
4
Voice guide
“
Please change the battery
”
Summary of Contents for EF 680E
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