4
、
Definition of printing
：
DC5V
+5V power input
GND
Power GND input
7
．
5-24V
+7.5-24V power input
电源灯
POWER
Power indicator
错误灯
ERROR
Error indicator
SD
卡
SD CARD
SD card slot
TTL signal
（
245/spi signal
）：
RS485 signal.
NOTE
：
For the TTL(SPI) signal, the controller signal ground must connect to the LED ground directly.
5
、
Mode of connection
Buttons Meaning
保存
SET
Save Settings
（
to save current settings file and the playback speed
）
。
模式
MODE
Change programs
速度
SPEED+
Speed up
Press speed+ and speed- at the same time the
program will play circularly.
速度
SPEED-
Speed down
CLK
Clock signal
B
Signal A / DMX+
DAT
Data signal
A
Signal B / DMX-
GND
Signal ground
GND
Signal ground
