talks of a reset button behind the battery tray.
and also from Moultrie themselves
September 19, 2014
How do I set my camera password?
Step 1: From the "PROGRAM SECURITY" screen, press the OK
Step 2: Use the Up/Down
buttons to select a 5 digit security code of your choice
Step 3: Press the OK
button to confirm the selection. Press the Right
button to move to the next option.
NOTE: Please remember your security code. If the code is lost, you can contact Moultrie customer support to reset the password (charges may apply). Also, use caution when navigating through the Security Code option as not to set a code by mistake. For no Security Code, the setting should remain as "00000
How do I reset my camera password?
A: If you forget your code, for your security, you'll need to contact Moultrie customer support to reset the password (charges may apply). For this reason choose a code you can easily remember, or otherwise be sure to keep your code in a safe, secure location, away from your camera. Also, use caution when navigating through the Security Code option at setup as not to set a code by mistake.