11
To replace the battery:
1 Use a round object, such as coin, to open the battery cover on
the back of the unit.
USB Calculator/Keypad - back view
2 Remove the old battery, insert a new one and close the battery
cover using the same round object.
Things to Remember
• Avoid using or storing the keypad in extreme temperatures. The
environmental specifications while operating are 32° to 104°
Fahrenheit (0° to 40° Celsius)
• If you use the keypad in a low temperature environment, the
display response may slow down or fail temporarily. For best
results, allow the keypad to reach room temperature before
using it.
• Avoid using or storing the keypad in dusty or humid
surroundings.
RESET
Battery
cover
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