on the camcorder's LCD screen or on the video when transferred to a computer and played back using a media player on the computer?

Also, have you tried using the white balance control in the camcorder's menu?

Just in case, link to the manual:
http://gdlp01.c-wss.com/gds/4/0300022044/01/vixiahfr70-72-700-im-en.pdf
Page 115.

Has the camcorder been used successfully before? If yes, other than the subject, what is different?