3When operating APRS using the GPS functionWhen the GPS function is activated, the internal clock setting and location coordinatesof your own station will be acquired from the GPS satellite signals automatically. Werecommend that the GPS function be used in mobile operations.1 Press and hold the [DISP] key → Touch [APRS] → [20 GPS POWER].2 Turn the DIAL to select “GPS ON”.GPS ON: GPS function is usable.GPS OFF: GPS function is not usable.Reference Factory shipping value: GPS ON3 Press the PTT.To exit the set mode and return to the operating screen.In order to use the GPS satellite data for your own position information, press and holdthe [DISP] key → Touch [APRS] → [24 MY POSITION] to “GPS”. If [24 MY POSITION],is set to “Manual”, the coordinates registered in set menu “P1-P10” will be used by yourtransceiver for APRS operations, and the acquired GPS data will become invalid.Tips• The position GPS coordinates for your own station can be registered in 10 memories (P1 - P10). Theregistered coordinates can be set as the position information of your own station (page 58).• When using the GPS function in APRS operations, be sure to set [APRS] → [24 MY POSITION] to“GPS”.• When using the GPS function, the current consumed will increase by about 18 mA. As a result, thebattery standby time is shorter compared to when the GPS function is set to OFF.When operating APRS without using the GPS functionWhen operating APRS without using the GPS function, follow the procedure below tomanually set the clock and position information.y Setting the clockIf the internal clock of this device is set, the time will be reflected in the time display ofthe APRS screen. Please refer to “Setting Clock Time” (FT3DR/DE Operating Manual) onhow to set the time.1 Press and hold the [DISP] key → Touch [APRS] → [21 GPS TIME SET].2 Turn the DIAL to select “MANUAL”.3 Press the PTT.The GPS clock will be set to MANUAL and the set modewill be cancelled.