Press the M button once more to return to the normal time display. Alarm Functions

While you should confirm with your device’s label, common specs include:

If you cannot locate a free PDF, consider purchasing a used manual from online marketplaces or contacting a marine electronics repair shop – they sometimes have internal service documents.

NAKO Electronics produces different models with similar numbering. The NA-613D typically includes a dual-station intercom or VHF transceiver with a digital display .

Use the D button to increase the value of the flashing category. To clear seconds to zero, press D while they are flashing.