Bose ControlSpace ESP-880 Service Manual page 90

1.9 GPIO Test
By using "GPIO loop back unit", GPIO test will be performed.
2. Audio performance Testing
After previous testing, the Audio Testing dialogs will appear.
If the measured level is not within the criteria, the "Out of
range" dialog will appear.
If you need terminate this test, choose "Abort".
If you retry this test, choose "Retry".
If you need to continue and record without retry, choose
"Ignore".
Before retry, check all connections.
This error is usually the result of:
• Incorrect wiring
•
Loose connection
•
ESP-88F not uploaded with design file
•
ESP-88F not booted-up
• Expansion outside connection is missed
If the connections are correct, the DUT has a problem.
The audio performance test will be done at each gain setting.
2.1 Debug Message Suppression
At end of this testing, the command to suppress the boot
message "kerv 0" is issued to the DUT.
The returned value is recorded to the logged .txt file.
m25p80 spi0.0: SE:addr_width = 3, to = 00050000, ear = 00 /cmd success
or
cmd success
will be recorded.
TEST PROCEDURES
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