Symbols indicating critical situations are colored red.
Battery Status Symbols
Checking Battery Charge
To check the charge status of a battery, refer to the battery power gauge on the screen, or open the
When Battery Lifetime is Expired
When the battery is aged, either after 3 years from manufacturing date or after 500 charge/discharge
cycles, it is recommended to replace the battery. To remind you of this, a message will appear in the
time on the monitor is correct.
Optimizing Battery Performance
The performance of rechargeable batteries may deteriorate over time. Battery maintenance as
recommended here can help to slow down this process.
Display Brightness Setting
brightness suitable for most monitoring locations that uses less battery power than brighter
Ensure that the current level of brightness is suitable for your monitoring location.
Battery is empty
Battery not charging as the
temperature is above or below
the specified range
Battery requires maintenance
Charging stopped to protect the
window. This message will only be displayed at the appropriate time when the date and
Battery Malfunction Symbols
4 FM20/30 Battery Option
(Red) incompatible battery
(Red) battery malfunction
(Red) battery has no power left
(Red) battery temperature too
(Red) battery is missing, insert
. This selects a level of