Kenwood TH-D72 User Manual 1 - Page 45

CONNECTING TO AN EXTERNAL GPS UNIT OR WEATHER STATION The COM terminal on this transceiver accepts a 2.5 mm (1/10") 3-conductor plug. If necessary, use the cable (service part: E30-3400-XX) to modify the cable end of external GPS receiver or Weather Station. Weather Station External GPS receiver COM terminal White (to DATA IN on RXD GPS/ WX) Line filter GND 53 TXD 2 Red (to DATA OUT on GPS/ WX) Shield (to GND on GPS/ WX) 9-pin D-SUB connector (solder side) • Attach the line filter to the cable. • Use a GPS receiver which conforms to the NMEA-0183 format and is compatible with RS-232C signal polarity output at the below mentioned levels. [Low level: less then +0.5 V / High level: more then +3 V] You cannot use GPS receivers with USB-type connections. • Depending on the specifications of the equipment you are connecting, it may be necessary to connect pins 4 and 6, and pins 7 and 8, on the 9-pin D-SUB connector. ADJUSTING THE INTERNAL CLOCK When the internal GPS function is turned ON, the year, month, day, and time are automatically set from the GPS satellite information. If the GPS information cannot be received, you can manually enter the date and time. Note: The battery for the clock backup is built into the unit. When the battery pack is connected, the backup battery begins to charge. It takes approximately 8 hours to become fully charged. ■ Setting Date 1 Access Menu 194. • The first 2 digits blink. 3 Press [ ]/[ ]
or rotate the Tuning control to enter the current day (TH-D72A) or month (TH-D72E), then press [ OK]. • The last 2 digits blink. 4 Press [ ]/[ ]
or rotate the Tuning control to enter the current year, then press [ OK]. 5 Press [ESC ] to exit Menu mode. Note: ◆ When used at room temperature (25°C), the error of the internal clock in a month is within one minute. ◆ The internal clock is effective until December 31, 2099. ■ Setting Time 1 Access Menu 195. • The first 2 digits blink. 2 Press [ ]/[ ]
or rotate the Tuning control to enter the current hour, then press [ OK]. • To set 1 o'clock PM for example, select 13. • The next 2 digits blink. 3 Press [ ]/[ ]
or rotate the Tuning control to enter the current minute, then press [ OK]. 4 Press [ESC ] to exit Menu mode. ■ Setting UTC Offset 1 Access Menu 196. 2 Press [ ]/[ ]
or rotate the Tuning control to select the appropriate UTC offset, then press [ OK]. • The selectable range is from +14:00 to -14:00 in steps of 15 minutes. 3 Press [ESC ] to exit Menu mode. 2 Press [ ]/[ ]
or rotate the Tuning control to enter the current month (TH-D72A) or day (TH-D72E), then press [ OK]. • The next 2 digits blink. APRS - 2