Operation Manual

NANO Version 2.0 May 2012
Page 10 of 27
3.4 LEDs
On the left side there are five LEDs; four green and one red. The LEDs show the status of
the NANO flight recorder. During normal operation, the first LED blinks when NANO is
powered on. The second LED blinks when GPS status is ok. The third LED blinks when
recording of flight is started. The fourth LED blinks when the Bluetooth module is switched
on.
LED sequence after powering up NANO with rocker button is following
PWR GPS LOG BT Err
Description
After pressing rocker button
One second later
Startup sequence 1 OK
Startup sequence 1 OK
Power led blinks
After short pressing of rocker button up or down battery
level is indicated
After long pressing of rocker button, Nano will turn off. Red
and green LED will blink isophasic.
When Nano is communicating with PC through USB, LEDs will blink like shown on next table.
PWR GPS LOG BT Err
Description
Nano is off
Connected to USB
Next second
Next second (Nano is in USB mode)
When USB is disconnected, off sequence will follow
(SD card error) Nano is powered on via USB– only reset button can turn off Nano
PWR GPS LOG BT Err
Description
SD card error