FBI XL20 Codes

Master Code User 1
Secondary Codes User 2 to 5
Hostage Code User 6 (May not be enabled)

Adding Code
1. Press CODE key + Master Code (Keypad should beep)
2. Enter User to add (1 to 6) (Keypad should beep again)
3. Enter New 4-digit User Code (keypad should beep again)
Delete Code
1. Press CODE key + Master Code (Keypad should beep)
2. Enter User to add (2 to 6) (Keypad should beep again)
3. Press * (keypad should beep again)
Master Reset
1. Enter Programming
2. Press 7 and 9 together
3. Lights will flash and exit programming (Master is now 1234)