Stanley M200 Setup & User Manual page 12

Hardware Features
Low Battery Icon
The Low Battery reminder (LED and audible message) initiates
approximately 7 days before the battery is fully drained of power.
It is important to replace all three batteries at the same time.
• When using battery power, and the battery power is low, the low
battery LED blinks yellow once every 3 seconds.
• When connected to external power, and the backup battery is low,
the low battery LED illuminates yellow constantly.
Note:
When using a power supply, keep the three batteries in the monitor
as back-up power.
• Remove the batteries if you will not be using the monitor for an
extended period of time.
For information about expected battery life, see "Batteries" on page
25.
Low Battery Audible Indications
In low battery, a Low Battery Beep is repeated once every minute.
After each alarm clearance, a "Low battery" message is announced
within 3 seconds.
6 M200 Fall Monitor – Setup & User Guide