When you upgrade from the mPower or PK to the Apex, Keep in mind when listing the services of the receiver it is now serial and not active sync. Also if you reset your Apex by pressing the reset button, there is no need to go into options, connectivity, bluetooth to activate the serial service as the apex remembers the active state. Sendero Group Featuring Sendero GPS on 4 platforms, BrailleNotes, Sense Nav for Braille Sense products, Mobile Geo on Windows phones and StreetTalk VIP for the Pac Mate. Distributing Trekker Breeze and Wayfinder for Symbian phones. Also distributing Victor Stream, KNFB Mobile Reader, Talks, Mobile Speak, Tiger embossers, Miniguide and ID Mate To change your email settings (unsubscribe, digest only, or vacation mode): http://senderogroup.com/social_media/email.htm Additionally, to unsubscribe send an email to gps-talkusers-request@xxxxxxxxxxxxx with "unsubscribe" in the Subject.