

升级说明：
1 准备一张SD卡	
2 把UPAPP.SRC  sacgm.nb0  SACGM   config  ksd2002  logo4这几个升级程序文件拷贝解压到SD卡上不要建文件夹
3 机器开机后把拷贝有升级程序的SD卡放到GPS卡槽内
4.再把机器关机在开机后，机器就会自动升级 ；
5. 升级过程在1-4分钟左右，中途不要关机；如弹出找不到文件等对话框，请不用理会
6 当Application update界面的进度条满时，升级完成，升级完成，把SD卡拿出，关机再开机，新的系统就可以使用并测试了。
7.如出现校准界面，则校准之；请点校准界面里的十字架中间校对！
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Instruction for Update:

1. Preparing a SD card.

2. Copy and decompress the update files"Upapp.src" to SD card, please note that do not creat a new folder.

3. Turn the item on and copy all the update files from SD card to GPS card slot.

4. Reboot the item again, the item will upgrades automatically.

5. Upgrading procedure may takes 1-4 minutes, please do not switch the item off and ingoring all kinds of dialog boxes during this period of updating.

6. Take out the SD card when the updating operation has been successfully  accomplished. Reconnect all wires of item, then the new system will be activated.

7. If there is  a interface of calibration, please do as the guide.: please make sure you  are pointing at the middle of the cross.


