Alinco EJ-41U Bedienerhandbuch PDF herunterladen (Seite 39)

8. PACKET OPERATION

[APRS Operation]

Boot up the PC and open the APRS software. Tune to the APRS system frequency.

Press FUNC key and while F icon is on press SQL key to enter to the data (APRS) mode. Repeat

the same sequence to exit.

[ ] appears on the LCD display when the unit is in data (APRS) mode

The PC monitor will display the initial menu of TNC when it enters the APRS mode.

•

Set the packet speed in command mode (cmd:). I.e.

cmd:HB 1200 and 9600

• Register your call sign cmd:MY xxxxxx

• Set the speed on GPS port cmd:GB4800

• Set the automatic transmission time separation cmd:LOC E 3

• Set the monitoring header option OFF cmd:LTMH OFF

• The transceiver will start transmitting automatically when data is received from the GPS re-

ceiver. Refer to the command chart and EJ-41U instruction manual for more details.

Note: Set the transceiver and GPS receiver as far away from each other as possible to minimize pos-

sible interference.

[SET UP]

Please refer to the previous chapter for the set up and installation of the EJ-41U unit, TNC and PC.

See below for the connection of a GPS receiver. It requires a 3.5mm stereo plug to connect to the

DATA Terminal on the radio's front panel. See the chart for plug connections. Program the EJ-41U

by using commands from the PC in the same way as in the packet mode.

The PC can be removed from the transceiver once the EJ-41U is configured. EJ-41U will hold the

settings in memory. Repeat configuration only when it is necessary.

DSUB-9 cable

GPS receiver

Personal Computer

DATA IN

terminal

GND（GPS receiver）

3.5 mm

3-conductor plug

RXD (To TXD of GPS receiver)

TXD (To RXD of GPS receiver)

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Alinco EJ-41U Bedienerhandbuch Seite 39