<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div>Using Macbook Pro with OS 10.10.5 (Yosemite)</div><div id="yui_3_16_0_1_1440029646719_2978">Chirp 0.4.1</div><div id="yui_3_16_0_1_1440029646719_2978" dir="ltr">Radio - Baofeng UV-5R</div><div><br></div><div id="yui_3_16_0_1_1440029646719_3056">I've been successful using older mac os' in communicating to this radio in the past</div><div><br></div><div>I try to download the radio's program i get this error message </div><div><br></div><div>"An error had occurred</div><div dir="ltr">could not open port /dev/cu.vernebrownscomputer-Blu:[Ermo 16]</div><div dir="ltr">resource busy : '/dev/cu.vernebrownscomputer-Blu'</div><div dir="ltr"><br></div><div dir="ltr">Not sure what I'm doing wrong or forgot to do. </div><div dir="ltr" id="yui_3_16_0_1_1440029646719_3058">did the cable check - it recognizes the type of chip in the cable as the debug instructions.</div></div></body></html>