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Table 1
. S556-EP Scanner LED Meanings
LED
Color
Status
Power ON
Red
ON = scanner is turned on
and receiving power from
external power supply
Activity/Error
Yellow
Flicker = scanner detects tag
information.
Constant Flickering with no tag
in the scanning field =
(a) Noisy environment or
possible interference,
resulting in diminished tag
reading.
(b) Loose cable or bad
connector
Transmit On
Green
On = Scanner is transmitting
RF signals.
556-EP Manual.P65
2/27/2001, 3:21 PM
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