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NEO 2 Interface Developer’s Guide
Copyright © 2019, International Technologies & Systems Corporation. All rights reserved.
125
Data Item
Length
(bytes)
Description
07h: One long beep of 600 ms
08h: One long beep of 800 ms
LED Number
1
00h: LED 0 (Power LED)
01h: LED 1
02h: LED 2
03h: LED 3
FFh: All LEDs
Where the LEDs are numbered 0, 1, 2, 3 counting from the left.
Note
: Users can attempt to control the Power LED (LED 0) but other UI
behavior takes control, so attempting to manipulate the Power LED in non-
Pass-Through Mode has no effect.
LED Status
1
00h: LED Off
01h: LED On
Response Frame
Byte 0-9
Byte 10
Byte 11
Byte 12
Byte 13
Byte 14
Byte 15
Header Tag &
Protocol Version
Command
Status Code
Data
Length
(MSB)
Data
Length
(LSB)
CRC (MSB)
CRC (LSB)
ViVOtech2\0
01h
See
00h
00h
If the status code does not return
OK
, the command failed.
8.2.5.
Set/Get Source for RTC/LCD/Buzzer/LED (01-05)
The
Set/Get Source for RTC/LCD/Buzzer/LED
command sets up or retrieves the source for
RTC/LCD/Buzzer/LED on the ViVOpay reader. The reader can be configured to use internal
source or external source for RTC/Buzzer/LED control. If necessary, users can configure the
reader to use both an internal and external source except for the RTC.
Note:
ViVOpay readers may not support all these options. Pay careful attention to these
details.
When the data length is 02h, the command is used to set up the source configuration for
RTC/LCD/Buzzer/LED; when the data length is 0, the current source configuration is returned
in the response frame.