AML Guardian Vehicle-Mounted Computer - Manual (Page 14)

AML
V 1.0.0
800.648.4452
www.amltd.com
Operating system upgrade
 Prepare a SD card with capacity of 4GB or below. Format it to be FAT32.
 Put ‘Upgrade.me’, ‘eboot.nb0’ and ‘xip.nb0’ into SD card.
 Insert SD card to Guardian’s SD card slot and power on the device. The system will be
upgraded automatically.
 When screen shows “Upgrade has been finished, reset unit”, it means that the upgrade is
finished. Unplug power and restart the device. Upon reboot the device will show the WinCE
desktop.
Logo upgrade
 Prepare a SD card with capacity of 4GB or below. Format it to be FAT32.
 Logo condition: .bmp format; capacity can’t be over 512KB; 24 bits; no compression;
centrally located. Its name must be ‘ebootlog.bmp’.
 Put ‘Upgrade.me’, ebootlog.bmp into SD card.
 Insert SD card to SD card slot of Guardian and power on the device. The device will
upgrade the logo automatically.
 When screen shows “Upgrade has been finished, reset unit”, it means that the upgrade is
finished. Unplug power and restart the device. The boot-up logo will be on the screen.
Backlight interface
[DllImport("Wrapper.dll")]
public static extern int UpdateBklSettings(BYTE level);
Level：0-255
0：lowest light
255: high light
Get Backlight interface
[DllImport("Wrapper.dll")]
public static extern int GetBklSettings ();
Return：0-255
0：lowest light
255: high light
Shut Down interface
Shut down the device.
[DllImport("Wrapper.dll")]
public static extern int ShutDown ();
Open Key LED light
[DllImport("Wrapper.dll")]
public static extern int TurnOnKeyPadBackLight ();