
AWR250 User Manual
13/02/20
Page 11 of 45
4.2 The status LEDs above the display
The AWR250 has two status LEDs above the display.
The left LED is a multicolor type and is used for
multiple purposes. When the display is switched off, it
indicates the charging status of the battery. During the
activation of the RFID engine it shows the reading
status.
The LED on the right is blue and it is used for indicating
the connection status with the display is switched off.
The RGB LED on the left side indicates the charging status of the battery pack with the display
switched off:
Color
Interval
Meaning
Flashing, every second for 10ms
Battery is being charged
Solid
Battery is fully charged
The multicolor LEDs are only used when the AWR250 is in
Suspend-Mode
(display is switched
off but the device is connected to USB and hence is being charged). When switched on, the
battery symbol in the display indicates the charging status.
With activated RFID engine, the multicolor LED shows the reading status as follows:
Farbe
Intervall
Bedeutung
Flashing slowly
RF is activated, ready to scan tags
Flashing fast
Tag has been read the first time (new tag)
Flashing fast *
Same tag has been read repeatedly *
* only for continuous reading mode (see chapter 7.6.1.2)
The blue LED on the right side is only used when the display is turned off. Then it indicates the
following operating modes:
Color
Interval
Meaning
Flashing every 3 seconds
AWR250 is in
SD-Card-Mode
(MSC)
Flashing once a second
AWR250 is in
Suspend-Mode
(CDC)
R
G
B
Blue