GeoVision GV-AS2120 IP Control Panel - Manual (Page 135)

GV-EV48 Controller
133
6
4
7
6.3.3 Restoring Factory Defaults
To restore GV-EV48 to factory default settings, press the
Default
button for 10 seconds.
Load Default
2 1
NO
BAT- BAT+ GND +12V
B- B+ A- A+ B A
Terminal
Resistor
RS485
Figure 6-10