Datalogic Matrix 120 Reference Manual page 41

INTRODUCTION
In normal operating mode the colors and meaning of the five LEDs are illustrated in the
following table:
green LED indicates that the reader is ready to operate (Figure 15, 3)
READY
green LED confirms successful reading (Figure 15, 4)
GOOD
yellow LED indicates the status of the reading phase (Figure 15, 5)
TRIGGER
yellow LED indicates active communication on the main serial port * (Figure 15, 6)
COM
red LED indicates a NO READ result (Figure 15, 7)
STATUS
* When connected to a Fieldbus network through the CBX500, the COM LED is always active, even in the
absence of data transmission, because of polling activity on the Fieldbus network.
During the reader startup (reset or restart phase), these five LEDs blink for one second.
In X-PRESS Configuration mode the colors and meaning of these five LEDs are described in
par. 2.3.
The keypad button (Figure 15, 8), is software programmable. By default it starts the X-
PRESS interface for quick installation without using a PC (see chp. 1).
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