MAINTENANCE
Battery
Your monitor comes with four 1.5V AA size alkaline batteries.
Low Battery Signal
The monitor will display the message below to alert you when the
monitor power is getting low.
Replacing the Battery
To replace the batteries, make sure that the monitor is turned off.
1. Press the edge of the battery cover and lift it up to remove.
2. Remove the old batteries and replace it with four 1.5V AA size
alkaline batteries.
3. Close the battery cover.
20
The "
" appears along with display messages:
The monitor is functional and the result remains
accurate, but it is time to change the batteries.
The "
" appears with E-b and low:
The power is not enough to do a test. Please change
the batteries immediately.