3Initial Settings for APRS®Operating APRS using the GPS function.When the GPS function of the transceiver is used, your transceiver’s internal clockand position are automatically set by the obtained GPS information. If you useAPRS with your transceiver while walking or traveling, the use of the GPS function isrecommended.1 Press M over 1 second.Enters the Set mode.2 Turn O to select [9 APRS].3 Press H.4 Turn O to select [20 GPS POWER].5 Press H.6 Turn O to select “ON”.ON: GPS can be used.OFF: GPS cannot be used.Tip Default: ON7 Press M.8 Press p.Exits from the Set mode.When operating APRS, the position information obtained from GPS can be used foryour transceiver’s position information. Select [9 APRS] [24 MY POSITION] and set[24 MY POSITION] to [GPS]. If you set the Lat/Lon or P1 to P10 to other than [GPS], theGPS data is nullified even if it is obtained. The position information designated by thissetting, such as Lat/Lon or P1 to P10, is transmitted.Tip• Your own station position Information obtained from GPS can be registered to 10 memory channels(P1 to P10). The registered position information may then be used to transmit the position of yourown station (See page 63).• To use the GPS function for APRS operation, select [9 APRS] [24 MY POSITION] and then set[24 MY POSITION] to [GPS] in the Set mode.• Using the GPS function increases the consumption current by approximately 30mA. As a result, thebattery life is reduced by about 20% compared to when the GPS function is not used.• If dual reception is used while APRS is active, weak signals may be inaudible due to noise producedby the APRS unit.Operating APRS without using the GPS function.In order to operate APRS without using the GPS function, set the clock and positioninformation manually by performing the following steps. Setting the clock.If the internal clock is set, it will be reflected in the time display on the APRS screen. Fordetails, refer to “Setting clock time” (Basic Operation See page 33).