Datalogic Reader Matrix-1000 Reference Manual page 20

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The following indicators are located on the top of the reader:
red LED indicates that the reader is connected to the power supply (see Figure A,
PWR
5);
yellow LED indicates external trigger activity (Figure A, 6); for details refer to par
TRIG
3.3.4;
red LED signals successful code decoding (Figure A, 7).
READ
It is also used to signal successful startup. At power on this LED turns on and after a
few seconds turns off. If the startup is not successful, this LED remains on.
green LED indicates data transmission on the main serial interface (Figure A, 8).
COM
F1 yellow LED signals distance of code from the center of FOV during the Positioning
(Optional) procedure. The faster it blinks, the better Matrix-1000™ is positioned (see
Figure A, 4).
F2 green LED signals reader calibration with respect to image quality during the Auto
Learn procedure (see Figure A, 2).
The keypad button is software programmable. By default it starts the Auto Learn or
Positioning procedure to calibrate and position the reader for quick installation without using
a PC (see Figure A, 3).
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Matrix-1000™ Reference Manual