R-sensors LLC
Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia
+7 (498) 744-69-95,
NDAS-N. User Manual.
78
Table 1-2. LED operation modes
Color
Operation mode
POWER status
LED
RED
Off – no power, power failure or device malfunctioning.
Steady on for the first 2 minutes from the moment when the power
supply is on – normal operation, operating system is booting.
Steady on after 2 minutes or longer from the moment when the power
supply is on – unsuccessful boot, power failure or device
malfunctioning.
Flashing with the frequency of 1 time per second – normal operation
SYNC
synchronization
status LED
RED
GREEN
Steady red – no suitable synchronization source, no synchronization
Flashing red/green – synchronizing the time of the data logger
Steady green – the data logger has been synchronized
DISK storage
activity LED
GREEN
Off – no recording into the internal storage
Flashing – recording into the internal storage
NET data transfer
LED
GREEN
Off – the data logger is not connected, no data transfer
Flashing – the data logger is connected, the data is transferred
USB1 power status
LED
ORANGE
Off – no device connected to USB1
Steady on – a device is connected to USB1
Flashing – a CME-ND digital sensor is connected to USB1
