Part 2 of TZtouch2 version 6.21 software update
Part 2 of the software update process contains world base charts,
world 3D data, SiriusXM US Marine Zones, SiriusXM Canadian
Marine zones, POI data, internal sounder update and eGuide.
1. With the TZtouch2 MFD powered off, insert the USB flash drive (Part
2) containing the following files into the USB pigtail cable on the back
of the MFD.
2. Insert the USB memory into the TZTL12F/15F USB port as shown
below.
3. Power the MFD On.
4. Shortly after a short beep, the progress bar will disappear and then
the installation will start. You will see the following notices during the
installation. The entire update for Part 2 will take about 10 minutes.