page 18 of 36
ANNA-LISA Manual - Version 1.1
CHAPTER 4: Operation
Battery
The device can operate continously up to two hours with a fully charged battery.
The battery level is indicated by the ‘LEVEL’ led.
Battery - Charge
LED (green) - indicating charge status
ON
= charging battery
OFF
= no charge
blinking = error
Battery - Level
LED (green / yellow / red) - indicating battery
level while operation
green = charged (> 3.5 V)
yellow = needs charging soon (> 3,3 V)
red = immediate charging required (< 3.3 V)
NOTE
The operating time of the battery depends on the environmental conditions (tem-
perature, type of installed SFP module).
NOTE
See „Charging the battery“ on page 15.
