44  Installation and Programming Guide 
Method 4: NXX-1820-  Keypad 
The NXX-1820-  is able to access all panel programming features with a valid installer code. 
1.  Press Menu – [Installer PIN] – [ENTER] – Program. 
2.  Scroll through the menus using the up and down buttons. Refer to Appendix 3: 
Advanced Menu Tree on page 137. 
3.  Press an item to go down a level or to select an option. Press the back arrow to go up a 
level or to cancel without saving. 
4.  Repeatedly press the back arrow to return to the main menu. 
Note on legacy devices: NetworX keypads (including NX-1820) have limited access to 
Aritech Reliance XR programming. Aritech Reliance XR keypads (NXX-1820 and 7” Touch 
Screen) can program legacy NetworX devices via the Advanced – Devices menu.