New Cosmos Electric SDM-72, Instruction Manual

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5. Operating Procedure
5-1. Installing Batteries
Open the battery lid and insert 4 AA size (LR6) alkaline dry batteries correctly with
respect to their polarity (+ and -). Do not mix old and new batteries.
5-2. Battery Check
Rotate the selector switch from “OFF” position to “BATT” position. After indicating
- - - - on LCD for a period of 2 - 3 seconds, the battery voltage will be displayed.
•
Example of battery voltage display
Battery voltage is 5.6
•
BATTERY alarm lamp
If the voltage is higher than 3.6V, it is ready to start measurement.
BATTERY alarm lamp will be lights up when the voltage is lower than 3.6V.
Replace batteries.
When the voltage drops below 3.2V, BATTERY alarm lamp will blink and buzzer
sounds. It needs to replace batteries for reliable measurement.
Press the batteries
with battery lid and
slide to close.
b 5. 6
NOTE BATTERY alarm lamp lights up when the battery voltage drops below
3.6V while measuring at “MEAS”. If it drops below 3.2V, BATTERY alarm lamp
blinks and buzzer sounds.
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