D7212B, D9112B, 7000/9000 Series, all G thru GV4 with firmware ver 1.00-1.99: Using a D1255 type keypad, press [Command] + [5 9] to display the firmware revision. D4412 or D6412: Using a D623 or D625 type keypad, press [Command] + [5 9] to display the firmware revision. GV4 with firmware ver2+ and B Series control panels: Using a B920, B921, B925, B926F, or B930 keypad, press Menu, select 3 for Actions, 3 for Test Menu and 3 for Display Revisions. Or press Menu +3+3+3.
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