![background image](http://html1.mh-extra.com/html/curtis/gpd357/gpd357_specifications_2699766026.webp)
over the detail system information.
2. Click the USB icon to set the USB connecting mode. The setting
interface displayed as shown below.
a. MASS STORAGE: Select this option, the navigator will be directly
connected to your computer and you can just edit the files in the SD card.
b. MS ACTIVESYNC: Before select this option, you must ensure that the
Microsoft Activesync has been installed on your computer system. The
data in the navigator will be synchronized with that in you computer system
by Microsoft ActiveSync when you connect the navigator to your computer
with USB cable. Meanwhile, users can edit the files and data in the SD card
and those in the navigator.
3. Click the Calibration icon to enter the screen calibration interface. Click
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