Function:
1) Passage
funcion: can set the door
to passage function by code
2) 9 digitals maximum ---combined
by numbers from 0-9
3) Low voltage indication:
inform the user to change batteries
automatically
4) Emergency: use
mechanical key to unlock under emergent
situation.
5) Alarm: alarm
will be on for 1 minute if you enter
incorrect code for 3 times. In such
case each key will lose their function
during that period.
6) Code: you can
enter any number(unlimited) before
you enter the correct code.