If you are connection to HandPunch using serial connection or you are using serial to TCP/IP converter, then you must know the address of your HandPunch. You can follow instructions below to check and/or change the address of your HandPunch.
- Press [Clear] button and then [Enter] button.
 - Enter your user ID and press [Enter] button.
 - Place your hand.  If you are recognized, then you will see a message “ENTER PASSWORD”
 - Enter [2] and press [Enter] button.  You should see “SET LANGUAGE” on the screen
 - Enter [*] for No few times until you see “SET ADDRESS” on the screen
 - Enter [#] for Yes.  You should see in the screen “RDR ADD IS X”, where X is current address of your HandPunch.
 - Enter new number using a keypad and press [Enter] button.
 - Press [Clear] button to return to the main screen and make sure the time is correct.
 - Adjust settings in your Time and Attendance software so that it can connect to your HandPunch with new settings.