Below is the User Manuals for Napco's Gemini Alarm Systems. If you dont know the model of the alarm it can be found by pulling up the tab behind the keypad, if supplied. You can also Identify your keypad by the pictures below. Just click on them to open up the manual for your alarm system. 

                                         If you have any questions please feel free to contact us.

Has a ENTER Key GEM-K1CA	Has a ON/OFF Key GEM-RP1CAE2
GEM-K4	GEM-RP2ASE2
GEM-RP4	GEM-RP8
2WAY-UNIVKF	Coming Soon!