Leica RX1200 User Manual page 69

Setting up the Equipment
Description of the LED
IF the is
PWR off
green
flashing green
red
THEN
power is off.
power is okay.
power is low. The remaining time for which enough
power is available depends on the type of survey,
the temperature and the age of the battery.
power is very low. The battery should be changed.
RX1200 69