Carrozzeria Avic Drz09 Navigation-installation Disk -

First, let’s clear up a massive misconception. This is not a standard map update DVD. The "Installation Disk" (often labeled Install Disc or Setup Disc) serves a unique purpose:

In short: The navigation-installation disk is the BIOS of your navigation system. Without it, you see a static "Please insert Navigation Installation Disk" error on a blue screen.

After a fresh install, the gyro needs recalibration. Drive in a figure-eight pattern in an empty parking lot for 2 minutes. The navigation will then ask for "Distance Calibration." Drive 5 km on a straight highway at a constant speed. Carrozzeria AVIC DRZ09 Navigation-installation disk

Assuming you have acquired the correct disk (original or a verified backup), here is the exact procedure to restore your Carrozzeria AVIC DRZ09.

Do not buy those "Universal Unlock" disks from eBay. They are usually bogus data disks that will freeze your laser mechanism. Also, remember that the DRZ09 only works in Japan. Unless you have a very expensive external GPS converter (like a GTracker), it will not show your location in the USA or Europe. It will simply show you driving through an ocean. First, let’s clear up a massive misconception

Some tuners have extracted the installation files onto a FAT32 formatted SD card. To do this, you need a hex editor to modify the install.cfg file to bypass the DVD drive check. This is not recommended for beginners.

After the disk has done its job, the system usually restarts. Depending on the specific files used, you may then be able to: In short: The navigation-installation disk is the BIOS

If you bought a used DRZ09 from Japan, it is locked to Japanese menus. Some advanced installation disks (specific versions) allow you to switch the base UI language to English, though this is rare for strictly Japanese-market disks.