5 FM20/30 Battery Option
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Symbols indicating critical situations are colored red.
Checking Battery Charge
To check the charge status of a battery, refer to the battery power gauge on the screen, or open the
Battery Status window.
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
Battery Status window. This message will only be displayed at the appropriate time when the date and
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
1 In the Main Setup menu, select User Interface, Brightness, then Optimum. This selects a level of
brightness suitable for most monitoring locations that uses less battery power than brighter
settings.
2 Ensure that the current level of brightness is suitable for your monitoring location.
Battery Status Symbols Battery Malfunction Symbols
Battery is empty (Red) incompatible battery
Battery not charging as the
temperature is above or below
the specified range
(Red) battery malfunction
Battery requires maintenance (Red) battery has no power left
Charging stopped to protect the
battery
(Red) battery temperature too
high
(Red) battery is missing, insert
battery
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