Multi-Functional Card User Manual
1
Chapter 1 Introduction
1.1 Overview
As an accessory of the LED sending card, the second generation multi-functional card is designed
to implement functions such as remote screen adjustment, 3D display, voltage detection,
temperature detection, and light sensing.
You need to upgrade both the receiving card and the sending card first, to enable 3D function of
the multifunctional card. Refer to the user manual of LED display for details.
1.2 Physical Interface
1.2.1 Front Panel
The appearance and description of the front panel are shown as below.
Figure 1-1
Front Panel
Table 1-1
Front Panel Description
Name
Description
Name
Description
12V GND
Sensor interface
RS232
Serial interface for
remote
telecommunication
3.3V GND
（
SCL SDA
）
Sensor interface
POWER
Power indicator
AI/DI GND
Sensor interface
ACTIVE
Indicator for normal
working status
RS485
Serial interface for
telecommunication
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