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5.0. User Interface
5.1. Status LED
ACR40T has three different LED behaviors to show various operation status, where:
•
Green LED - Card and reader status under USB mode
Color
LED Activity
Slow flash
(2 seconds/flash)
Green
Fast flash
5.2. Configurable push button (ACR40T-A7/8 only)
ACR40T has a push button which can operate in various modes, where:
Mode
0
1
2
ACR40T – Reference Manual
Version 1.01
No card operation and the reader is waiting for PC instructions
Data transferring between the reader and PC
On
Card is connected and powered on
Table 3: Status LED
Read button's status by sending escape command
Table 4: Operation mode of button
Status
Description
Emulate card removal event
Disable button feature
Page 9 of 46
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