Icom IC-M412 Instruction Manual - Page 26
Position indication, Distress call
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6 DSC OPERATION n Position indication When a GPS receiver is connected, the transceiver displays the current position data with an accuracy in seconds. A NMEA0183 ver. 2.0 or 3.01 (sentence formatters RMC, GGA, GNS, GLL) compatible GPS receiver is required. Ask your dealer about suitable GPS receivers. ➥ 'Latitude,' 'Longitude' and UTC time data scroll in sequence in the channel comment display. • Channel comments are displayed for about 10 seconds after the channel selection. ➥ "NO POSITION" and "NO TIME" scroll when no GPS is connected. Scrolls n Distress call A Distress call should be transmitted whenever, if in the opinion of the Master, the ship or a person is in distress and requires immediate assistance. NEVER USE THE DISTRESS CALL WHEN YOUR SHIP OR A PERSON IS NOT IN AN EMERGENCY. A DISTRESS CALL CAN BE USED ONLY WHEN IMMEDIATE HELP IS NEEDED. D Simple call q Confirm no Distress call is being received. w While lifting up the key cover, hold down [DISTRESS] for 3 seconds to transmit the Distress call. • Emergency channel (Channel 70) is automatically selected and the Distress call is transmitted. • W hile holding down [DISTRESS], the key backlighting blinks. • W hen the GPS receiver is compatible with several sentence formatters, the order of input precedence is 'RMC,' 'GGA,' 'GNS' and 'GLL.' • "GPS" blinks when the GPS data is invalid. Scrolls e After transmitting the Distress call, the transceiver waits for an acknowledgment call. • T he Distress call is automatically transmitted every 3.5 to 4.5 minutes. • "DSC REPEAT" scrolls in the channel comment display on Channel 16. 18