Firmware Installation Instructions
1. Download the new firmware PRG update file from the Sound Devices website and copy the
file onto an approved microSD card that has been formatted in the A10-TX-US. 

2. Insert the microSD card in the unit.

3. Insert fresh AA batteries in the unit..

4. Power on the A10-TX-US. Then Enter the System menu and choose Update. The unit will indicate the revision of firmware to update.

5. Confirm that you want to update the unit. The update process begins after confirmation

6. Do not power down the unit until instructed to do so. When the update process has completed
the following message displays on the screen:

Update Success
Unit will power down.
OK. 

Press the centre button to select ‘OK’. The A10-TX-US automatically powers off. 

7. Press the red power button to power on the A10-TX-US. Verify the revision of firmware on
the unit from Menu>System>Info. 