You receive a Routine DSC call to your vessel, without specifying an alternate working voice frequency & emission. Your transceiver frequency display reads: 2177 kHz transmit 2177 kHz receive. What must you do?

Correct Answer: Option D — Call other vessel on 2182.0 kHz and shift to a proper working frequency.

Under USCG National Maritime Center examination standards, the accepted correct answer is: Call other vessel on 2182.0 kHz and shift to a proper working frequency..