Chapter 1
Getting to Know the GL400
The GL400 is enclosed in a UV protected
PVC weather-resistant enclosure.
Access the included 12V, 2 AH lead acid gell
cell directly from inside enclosure.
Page 8
COM port
Global Water ● (800)876-1172 ● www.globalw.com
The COM port can connect to a PC se-
rial port using the included Communica-
tion Cable.