Charles and April, Thank you for help me. I am not fully understand but I will re-read the manual. I am still on the first chapter. I will have GPS trainer soon for 10 days. Leslie-- No virus found in this outgoing message. Checked by AVG. Version: 7.5.519 / Virus Database: 269.22.1/1352 - Release Date: 3/31/2008 10:13 AM