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English7
PRODUCT INTRODUCTION
AT A GLANCE
Front/Rear
1
LED
Displays the system operation status using red and green indicators.
2
Fixing Hole
Fixing hole for wall-mounting.
3
Connection Cable
Used to connect to the power or I/O cable.
4
Program Port
Port used to upgrade the fi rmware.
5
Buzzer
Piezo buzzer.
5
4
3