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4 Press [ ]/[ ] or rotate the Tuning control to enter
the current year, then press [
OK].
5 Press [ESC ] to exit Menu mode.
Note:
X When used at room temperature (25°C), the error of the internal
clock in a month is within one minute.
X The internal clock is effective until December 31, 2099.
Q 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.
Q 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.
APRS – 2
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.
532
GND
RXD
TXD
Shield
(to GND on GPS/
WX)
Red
(to DATA OUT on
GPS/ WX)
White
(to DATA IN on
GPS/ WX)
External GPS receiver
COM terminal
Weather Station
(solder side)
Line filter
• 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.
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.
Q Setting Date
1 Access Menu 194.
• The first 2 digits blink.
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.
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.