问题：
What SFN (Single Frequency Network) tests does the MTM400 perform?
答案：
Where Single Frequency Network (SFN) information is included in a stream, it can be viewed by selecting the SFN button. This action will open an SFN Information screen (see below figure).
When SFN information is present in the stream the MTM400 will perform the following tests:
Test Name | Event ID |
SFN Error | 3400 |
| SFN (No MIP) | 3401 |
| SFN One MIP per M/F | 3410 |
| SFN Repetition | 3411 |
| SFN (Invalid MIP) | 3403 |
| SFN MIP Length | 3412 |
| SFN CRC | 3413 |
| SFN MIP Coding | 3414 |
| SFN Periodicity Consistency | 3415 |
| SFN Pointer Consistency | 3416 |
| SFN (Timer) | 3404 |
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常见问题 ID 56156
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