ECOTEST STORA-ABG RKS-01 Operating Manual page 51

2.3.3.4 LCD backlight control.
Each press of any button of the radiometer activates the LCD backlight for circa
6 seconds. Press THRESHOLD button twice (time between presses should not exceed
0.5 s) to turn on a continuous LCD backlight. Press THRESHOLD button twice once
again to disable continuous LCD backlight.
2.3.3.5 Batteries status control.
Irrespective of the chosen operating mode, the radiometer carries out a non-stop
control of batteries status. The results of control are displayed on the LCD with a
battery status symbol
The number of blinking segments shows the level of batteries discharge. No
segment of the status symbol blinks with a fully charged batteries. When batteries
gradually discharge, one segment starts blinking first, then two, etc. All segments
blink with fully discharged batteries.
Blinking of three or four segments is accompanied by short audio signals. This
means that the batteries should be replaced.
(6) (Figure 2.1), which consists of four segments.
49