3.3.1.7 Display Backlight Notification

int IndoorTouch.LedsEnableBacklightNotification(boolean enable);

If enabled, the blue LED is displayed when the display is switched off (switched into the sleep mode).
The return value is as follows:

• IndoorTouch.RC_OK = 0;
• IndoorTouch.RC_ERR_CONN = -1; API daemon connection error