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GA0383P02 Rev. C
Contents
Specifications....................................................................................................................................... 5
Application .......................................................................................................................................... 6
Principle of Operation .................................................................................................................... 6
System Description ............................................................................................................................. 7
System Electronics .......................................................................................................................... 7
Display Panel ................................................................................................................................. 7
Input/Output Board ......................................................................................................................... 7
Installation........................................................................................................................................... 8
Mounting......................................................................................................................................... 8
System Design Considerations ........................................................................................................... 9
Transit Time Calculations ................................................................................................................ 10
Sampling System Components ........................................................................................................ 11
Electrical Connections ...................................................................................................................... 12
Contacts ........................................................................................................................................ 12
Signals .......................................................................................................................................... 12
System Operation ............................................................................................................................. 13
GCM-A Initial Startup .................................................................................................................. 13
Typical Responses to GCM-A Warning & Alarm Indications ..................................................... 14
GCM-A Initialization ....................................................................................................................... 16
GCM-A Menu Displays .................................................................................................................... 17
Navigating the LCD Display ........................................................................................................ 17
LCD Display Menu — Two Modes of Operation ......................................................................... 17
Menu Profile ................................................................................................................................. 17
Menu Navigation Tutorial ................................................................................................................ 18
Activating the Menu ...................................................................................................................... 18
Navigating the Menu in Scrolling Mode (GCM-A default) .......................................................... 18
Disabling Scrolling Mode ............................................................................................................. 18
Navigating the Menu in Non-Scrolling Mode ............................................................................... 18
Function (FN) Menu ..................................................................................................................... 19
Setup Menu ................................................................................................................................... 19
Test Menu ...................................................................................................................................... 20
View Menu .................................................................................................................................... 21