Troubleshooting
2001989-351A ApexPro™ 5-9
ii. Update the antenna design documentation and resubmit it for approval.
iii. Once approved, modify the antenna system according to the approved
design.
iv. Repeat the tests in the Antenna System Installation Verification Test
Plan section of the ApexPro Antenna System Installation Test
Instructions.
6. Verify the antenna system meets the requirements of the In-Band Noise Test.
a. Perform the In-Band Noise Test.
b. Record data in the Clinical Systems Design Tool.
c. If test passes, go to the next test.
d. If test fails:
i. Verify that no transmitters are programmed to occupy the failed TTX
number.
ii. Change transmitter TTX numbers as required.
iii. Verify by repeating the test.
iv. Update the CIC Pro TTX number list and documentation.
e. Perform step 4 again if it previously failed.
f. If step 4 fails a second time:
i. Complete step 7 and contact GE technical support.
ii. Notify the Director of Service or Field Product Specialist.
7. Verify transmitter TTX numbers are valid for installed notch filters in the system.
a. Perform the Transmitter Frequency Validation Test.
b. If test passes, go to the next test.
c. If test fails:
i. Change transmitter TTX numbers as required.
ii. Verify by repeating test.
iii. Update the CIC Pro TTX number list and documentation.
8. If drop-out continues, contact GE technical support.
ApexPro transmitter carrier impairment measurement
procedure
Rationale for test
The purpose of this test is to compare the transmitter’s carrier level to the
transmitter’s modulated output. The transmitter’s carrier level must be at least 30 dB
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