Takeoff and landing isn't box manuvers look at your call sheet, (EB) is for enter box and (EX) is for exist box, you can get a call sheet here,
http://www.rcpattern.com/call_sheet_1.htm
or here.
http://www.nsrca.org/scheduleA.htm
and here is a great beginners page from the NSRCA site
http://www.nsrca.org/technical/beginners/begin3.htm

Steve Maxwell