To get to the check-in screen, you need to sign into the system as a check-in user.  To create the check-in users use the following steps:

1. Activate the security system by giving the Director user a password
2. Create a check in user.  Expand the Administration menu.  Select User Security.  Click the plus sign in the lower left
3. Give the user a name, password, and mark as a Check In user type
4. Mark the options that apply for this check in user. 
5. Mark touch screen if you'd like a virtual keyboard. 
6. Mark "self check in" if this will be an unmanned stations. 
7. Mark rapid check in if you'd like to bypass the confirmation screen.
8.  Mark check out if this user will be "checking students out"

Once you have your check in users defined, expand the Check In/Out menu item.  Select Launch.  Sign in as the check in user you just created.  You are now at the check in screen.