■ Setting Date1 Enter Menu mode and access Menu 524.• The first 2 digits blink.2 Rotate the Tuning control to enter the currentmonth (K type) or day, then press the Tuningcontrol.• The next 2 digits blink.3 Rotate the Tuning control to enter the current day(K type) or month, then press the Tuning control.• The last 2 digits blink.4 Rotate the Tuning control to enter the current year,then press the Tuning control.5 Press [ESC] to exit Menu mode.Note:◆ When used at room temperature (25°C), the error of the internalclock in a month is within one minute.◆ The internal clock is effective until December 31, 2099.■ Setting Time1 Enter Menu mode and access Menu 525.• The first 2 digits blink.2 Rotate the Tuning control to enter the current hour,then press the Tuning control.• To set 1 o'clock PM for example, select 13.• The next 2 digits blink.3 Rotate the Tuning control to enter the currentminute, then press the Tuning control.4 Press [ESC] to exit Menu mode.■ Setting UTC Offset1 Enter Menu mode and access Menu 526.2 Rotate the Tuning control to select the appropriateUTC offset, then press the Tuning control.• The selectable range is from +14:00 to –14:00 insteps of 15 minutes.3 Press [ESC] to exit Menu mode.APRS-2CONNECTING WITH A GPS RECEIVER OR WEATHERSTATIONThe GPS jack on this transceiver accepts a 2.5 mm(1/10") 3-conductor plug. If necessary, use the suppliedcable to modify the cable end of your GPS receiver orWeather Station.• Use a GPS receiver which conforms to the NMEA-0183format and is compatible with RS-232C signal polarity outputat the below mentioned levels.[Low level: –15.0V ~ +0.5 V / High level: +3.0V ~ +15.0V]You cannot use GPS receivers with USB-type connections.• Set Menu No. 602 (GPS PORT-INPUT) to “GPS” (GPSreceiver), “WEATHER (Davis)” (Weather Station), or“WEATHER (PeetBros.)” (Weather Station), depending onthe equipment connected to the GPS terminal.When a GPS receiver is selected, the “GPS” indicatorappears. When a Weather Station is selected, the “WXI”indicator appears.• The “GPS” indicator blinks while positioning.ADJUSTING THE INTERNAL CLOCKThis transceiver has a clock to manage information onwhen APRS packets are received. Use Menu Set-up tocorrect the current time, date, and if necessary the UTCoffset; UTC stands for Universal Time Coordinated.The year, month, day, and time are automatically setfrom the GPS satellite information. If the GPS informationcannot be received, you can manually enter the date andtime.Note: The battery for the clock backup is built into the unit. Whenthe power source is connected, the battery begins to charge. It takesapproximately 12 hours to become fully charged.GPS receiverTo GPS jackShield(to GND on GPS/ WX)Red(to DATA OUT on GPS/ WX)White(to DATA IN on GPS/ WX)Weather Station