T4S T8S Firmware Update Instructions

Before proceeding, please read the following instructions:

These instructions describe how to update the firmware of your ToneMatch® mixer.

1. Download and install the LI System Updater tool at https://www.bose.com/en_us/l1_downloads.html.
2. Connect the mixer to your computer via the 2.0 USB Type-B port on the rear panel of your mixer.
   See Figure 1.
   Figure 1
   
3. Connect your mixer to a power source via a ToneMatch cable or power supply and turn on your mixer.
4. To download the latest firmware, follow the appropriate link:
   • http://bosepro.link/t4s
   • http://bosepro.link/t8s
5. Launch the L1 System Updater.
6. Click the "Update" button next to "T4S (or T8S) Firmware". See Figure 2.

PDF version File:T4S T8S Firmware Update Instructions.pdf