User Manual

LS9 User Guide
Libre Wireless Technologies User Guide : LS9 / LS9AD, Ver. 5.3 Page 38 of 75
Libre Confidential
6.3. Source Switching
LibreSync enables user to switch the playback sources without any hitches. User can
choose to stream music either from Cast-For-Audio (C4A) Spotify connect and the music
streams on the selected device from the source.
For example, A LS Device streaming Cast-For-Audio (C4A) starts streaming music from
Spotify connect when, the user selects music from Spotify APP to be played on the device.
6.4. Failsafe Mechanism
Failsafe Mechanism safeguards the modules from being corrupted or unusable, in case of
power failure or reset during the firmware upgrade.
If there is a power failure during the firmware update process of the critical portions like
kernel, firmware update process is re-tried automatically in the next boot up. There is no
need to connect to the network, open device webpage or download the single image again
from the server to complete the Firmware update process.
For more information on Failsafe Mechanism see LibreWirelessTechNote_Failsafe-
Firmware_Upgrade , available in Libre Portal.
6.5. Software Security
LibreSync software is secured using Crypto IC. Crypto IC is embedded either in the LS9
module or the ACP. Crypto IC authenticates and allows only the valid LS9 software to boot
on the LS9 modules.
6.6. Airplay
®
After the speaker or device is configured to the network, it is discovered by the iOS device
and iTunes, and is available for AirPlay streaming.
To stream AirPlay proceed as below
Failsafe Mechanism is applicable for network and internet update only.