Bose ControlSpace ESP-88 Service Manual page 93

6. Phantom test
The phantom test will be done after the audio tests.
Pass/Fail is detected by "Phantom Checker".
This phantom checker is modified a GIO used to measure the voltage of the phantom power.
Test Limits
Item
Hot and Cold line
(CH 1/2/3/4)
Perform these tests for channels 1 through 4.
Refer to section "4-7. About Phantomtest on ATS2".
7.GIO test.
This GIO test will be done by the ATS2 macro automatically.
This test requires the GIO 2.2k ohm loop back cable.
The GIO settings are as follows.
ESP Setting: Set GIO outputs.
(Command on COM = ^BO{0~7}{0/1}^C)
ESP Setting: Get the value of GIO input .
(Command on COM = ^BI^C)
Test Limits
Item
GIO test (Full)
GIO test (Half)
Perform this test for ports 0 through 7.
8.Time test.
This time test will be done by the ATS2 macro automatically.
In this test, the time that is stored on the ESP is compared with the PC time by the ATS2 macro.
ESP Setting : Get time report from ESP.
(Command on COM = t )
Test Limits
Item
Date diff
Time diff
TEST PROCEDURES
Pass
Measured channel
More than 13V
Opposite channel
Lower than 2V
Upper limit
100%
48%
Upper limit
0
+3
93
Fail
Measured channel
Lower than 13V
Opposite channel
More than 2V
Lower limit
95%
45%
Lower limit
0
-3