Sounding of 4 hooters means ________. A. ART B. MRV C. ART & MRV requirement at home Station D. None of these

The correct answer is: C. ART & MRV requirement at home Station

ART stands for Automated Repeater Test. It is a test that is performed on the Automatic Repeater (AR) to ensure that it is functioning properly. MRV stands for Maintenance Required Visit. It is a visit that is performed on the AR to ensure that it is properly maintained.

The sounding of 4 hooters means that the AR has detected a fault and that an ART & MRV is required at the home station. The AR will continue to sound the hooters until the fault is cleared or until the ART & MRV is performed.

Here is a brief explanation of each option:

• Option A: ART. ART stands for Automated Repeater Test. It is a test that is performed on the Automatic Repeater (AR) to ensure that it is functioning properly. The sounding of 4 hooters does not mean that ART is required.
• Option B: MRV. MRV stands for Maintenance Required Visit. It is a visit that is performed on the AR to ensure that it is properly maintained. The sounding of 4 hooters does not mean that MRV is required.
• Option C: ART & MRV requirement at home Station. The sounding of 4 hooters means that the AR has detected a fault and that an ART & MRV is required at the home station.
• Option D: None of these. The sounding of 4 hooters does not mean any of the options listed above.