Position and time indicationWhen a GPS receiver (NMEA0183 ver. 2.0 or 3.01) is con-nected, the transceiver displays the current position and time.When no GPS receiver is connected, the transceiver displaysthe manually entered position and time.A GPS receiver appropriate for the IC-M505 is not suppliedby Icom. A GPS receiver with NMEA0183 ver. 2.0 or 3.01 for-mat is required for position and time indication. Ask yourdealer about suitable GPS receivers.➥ When the connecting GPS receiver is compatible withseveral sentence formatters, the order of input prece-dence is ‘RMC,’ ‘GGA,’ ‘GNS’ and ‘GLL.’➥ When sentence formatter ‘RMC’ is received, time indi-cation includes a date. Thus the ‘UTC’ or ‘Local’ indica-tion is not displayed.➥ “????” may blink instead of position and time indicationswhen the GPS data is invalid, or has not been manuallyupdated after 4 hours. GPS information indicationWhen a GPS receiver (NMEA0183 ver. 2.0 or 3.01) is con-nected, the transceiver displays the GPS information afterpushing and holding [CHANNEL•ENTER] for 1 sec.When connecting GPS receiver is compatible with severalsentence formatters, the order of input precedence is‘RMC,’ ‘GGA,’ ‘GNS’, ‘GLL’ and ‘VTG.’--GPS Info--DATE : JAN/16/2006UTC : 12:00POS : 34°34.506N123°23.236WCOURSE: 261°MSPEED : 18.5ktPush for 1 sec.25W INTTAG34°34.506N123°23.236WUTC 12:00 CALLING226 DSC OPERATION