Motorola RDM2020 - Manual (Page 35)

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English 27
LOW BATTERY ALERT
This feature provides a sequence of loud and
high beep tones to alert that the battery level is
low. The LED blinks orange several times. The
RDM2080d also provides a battery gauge icon
on the screen that indicates the battery level as
shown in the previous image. TALK RANGE
Industrial Multi-Level
Inside steel/concrete
Industrial buildings
Inside multi-level
buildings
Up to 220,000 Sq. Ft. Up to 13 Floors