LMR Master™S412E User Guide : Instrument Overview : Symbols and Indicators : Battery Symbols
 
Battery Symbols
The battery symbol above the display indicates the charge remaining in the battery. The colored section inside the symbol changes size and color with the charge level.
Battery Status
Green with Black Plug body: Battery is fully charged and external power is applied
Green: Battery is 30 % to 100 % charged
Yellow: Battery is 10 % to 30 % charged
Red: Battery 0 % to 10 % charged
Lightning Bolt: Battery is being charged (any color symbol)
Detailed battery information is also available in the Status dialog box (System > Status).
When either the AC‑DC Adapter or the Automotive Cigarette Lighter Adapter is connected, the battery automatically receives a charge, and the battery symbol with the lightning bolt is displayed (Figure: Battery Charging Icon).
Battery Charging Icon
The green Charge LED flashes when the battery is charging, and remains on steady when the battery is fully charged.
Caution
Use only Anritsu‑approved batteries, adapters, and chargers with this instrument.
When operating from external power without a battery installed, the battery symbol is replaced by a red plug body (Figure: Battery Not Installed).
Battery Not Installed