Fluke Biomedical ASM-990 Series - Manual (Page 28)

ASM-990 Series
Operators Manual
4-2
4.4 Battery Replacement
The low battery indicator (icon) will appear on the display approximately two (2) hours prior to the
instrument becoming inoperable. To ensure that the instrument operates to specification, it is
recommended that the batteries be changed within one (1) hour after the low battery icon appears.
Regular or alkaline batteries can be used for replacement purposes.
Both “D”-cell batteries are located in the rear of the unit and are easily accessible and replaceable with
the battery cover removed.
NOTE
Be sure to observe proper polarity when replacing
the batteries.
Battery Access