Bose FREESPACE 4400 - Manual (Page 66)

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9.0 Restoring FreeSpace ® 4400 Microcontroller Code
The firmware upgrade runs automatically and will notify you
when it is complete.
Once the upgrade is completed, select the Service Hardware
mode and verify that the microcontroller version number is
correct. For example:
-------------------------------------------------
Microcontroller: v3.0.0.18
DSP: v2.0.1.0
Peripheral: v1.0.0.10
Lower Amplifier: v1.1.8.5
Upper Amplifier: v1.1.8.5
-------------------------------------------------
If you do not see the correct microcontroller version
number, or if any of the other firmware version numbers
are less than the values shown in this example, please
contact your local Bose represenetative or visit
pro.Bose.com.
9. Open the design file you saved in Step 6. Click the
(Flash Hardware Configuration) button to restore your
hardware configuration.
10. Perform an Auto Volume calibration for those zones in which
Auto Volume is used. Click the (Flash Configuration)
button to send your final settings to the FreeSpace 4400
hardware.
11. Click the (Save File) button and save the design file to
your PC.