Alinco Dr-620t/e Vhf/uhf Fm Transceiver Instruction Manual

48
Special Functions
Setting on the Master side
1.Press the CALL key with FUNC key pressed.
CLONE will be displayed and the radio enters
the clone mode.
2.Press PTT. SD*** will be displayed and the
master unit starts sending data to the slave unit.
3.[PASS] will appear on the display when the data
has been successfully transmitted.
4.The master radio may stay turned on for the
next clone. Turn off the unit to exit from the
clone mode.
If the data is not successfully transmitted, turn off both units, make...

49
Special Functions
Packet Communication
Packet communication is a high-speed data communication system transmitting a package of data
generated through a personal computer. The use of Digi-peaters (relay stations) offers communica-
tions with DX stations (distant stations). For packet communication, a personal computer, DSB-9
cable and the optional EJ-50U (TNC unit) are required in addition to this unit.
The EJ-50U is equipped with a Digi-peater function. For detailed information, please refer to the...

50
Special Functions
4.Connect the EJ-50U with a personal computer.
Connect the DSUB connecter on the rear panel and the serial port of a personal
computer with a straight cable.
IMPORTANT: Between the DSUB9 and a personal computer, use a 9-pin RS-232C
straight cable (male-female).
RS-232C
straight cable
Personal computer 
Packet Mode Setting
1.Press the FUNC key. While [F] icon is on, press
the H/L and SQL keys. [TNC] lights up on the
display and the unit enters packet mode.
By the same operation, [TNC]...

51
Special Functions
APRS
Install the optional TNC unit EJ-50U and an external GPS receiver to operate in this mode.
APRS (Automatic Packet/Position Reporting System) is program software registered as a trade-
mark of Bob Bruninga, WB4APR. With this program, you may trace a mobile station on a map
displayed by a computer.
For tracking a mobile station, you may need a PC installed with APRS, this unit (transceiver), and
a TNC (EJ-50U). You may also need a GPS receiver, which captures signals from...

52
Special Functions
APRS operation
For detailed information, please see a list of commands and
the instruction manual of the EJ-50U.
1.Boot up the terminal software on the PC, press
the FUNC key and press the H/L key while the
[F] icon is on. [TNC] lights up on the display
and the unit enters Geolocating communication
mode.
2.The initial screen of the TNC appears on the
PC.
3.Set communication speed of the packets from
the command mode (cmd:).
[Example cmd: HB 1200 or 9600]
4.Register the call sign of...

53
Special Functions
TNC Clone
This feature enables setting changes required for APRS function without connecting to a PC.
Please use this feature when a setting change is desired while the APRS function is in operation.
Setting changes are available for the call sign of your station, communication speed and data trans-
mission time separation (Setting is made in setting mode).
1.Press the FUNC key and then press the H/L
key while [F] icon is on (Enter packet mode).
2.Press the CALL key with the FUNC key...

54
Special Functions
KeyTransceiver corresponding keyFunction Page
0-9–Direct frequency input–
A V/M Memory channel access 19
B CALL Call channel access 23
C SET mode SET mode access (Note 1) 26
DFUNC+BANDSwitching reception band 34
*Press and hold SQL Monitor function 24
# BAND Switching MAIN band 15
 0 H/L Switching transmission output 25
Remote Control Operation (EMS-57 Only)
The transceiver can be controlled remotely by operating the DTMF keys on the microphone. Fre-
quencies can also be entered...

55
Special Functions
Entering a frequency directly
Frequencies can be entered directly by pressing the numerical keys of the microphone.
• Range of frequencies to be input
76.000 - 107.995MHz (WFM reception)
144.000 - 145.995MHz
430.000 - 439.995MHz
1.Set the microphone DTMF/REMOTE switch to the REMOTE position.
2.DTMF keys can be used to enter from the 100MHz digit.
(Ex.) When setting 144.20 MHz with the tuning step set to 20kHz.
Enter 1  4  4  2  0
After entering the f ifth digit a slightly longer beep...

56
Maintenance / Reference
DCSSUBTNCRAM
SQLBUSYBUSY13579
MiLoNar
Reset
Resetting the unit returns all programmed contents to their factory default settings.
Factory Default Settings
IMPORTANT: While holding the FUNC key down, turn the power on. All segments of the LCD will be
displayed, then default settings are displayed.
All LCD segments
1.Press the PWR key for more than 1 second with
the FUNC key pressed and turn the power on.
2.All segments of the LCD will be displayed, then
default settings are...

57
Maintenance / Reference
Troubleshooting
Please check the list below before concluding that the transceiver is faulty.
If a problem persists, reset the transceiver. This can sometimes correct erroneous operation.
Problem
Power is on, nothing 
appears on the 
Display
Display is too dim.
No sound comes 
from the speaker. 
The unit does not 
receive.
Keys and the dial do 
not function.
Rotating the dial will 
not change memory 
channel.
Pressing the 
UP/DOWN key will 
not change 
frequencies or 
memory...