CHAPTER 2System Setup24Elements on A850LED IndicatorLEDs and LED patternsThe device has three LEDs which are forced on during a CPU resetand during the boot process.Figure 2. Front of the A850All three LEDs are off if there is no power (neither AC nor battery).Please notify that this LED pattern is never used while the system ispowered.Table 1. LED patternLED On Blinkingslow Blinking Blinkingfast Flashing OffPWR AC present Battery > 75% Battery > 50% Battery > 25% Battery low -RUN Booting - - Error Noconfiguration-USR Kernel - - - RTU activity Sysinit
