TECH MASTER VIDEOS

INSTRUCTIONAL:
HOW TO CHANGE
A MANAGER CODE

INSTRUCTIONAL:
HOW TO CHANGE
A USER CODE

INSTRUCTIONAL:
HOW TO DELETE
A USER CODE

INSTRUCTIONAL:
HOW TO CHANGE
THE KEYPAD BATTERY

TROUBLESHOOTING:
ERROR ON I/O INTERFACE

TROUBLESHOOTING:
HOW TO TEST THE MEMBRANE