Alinco DR-635 - Manual (Page 53)

51
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] disappears, the
unit exits from packet mode and the display
returns to its normal status.
2.
Use the computer keyboard to send designated
commands from your PC to start packet com-
munication.
NOTE: • Parameters for communication with a PC terminal.
Please use PC commands to program the following.
Data Speed (Transfer Rate) : 9600bps
Data Length : 8 bit
Parity Bit : None
Stop Bit : 1 bit
Flow Control : Xon/Xoff
• What is programmed from a PC is stored in memory even after the TNC unit is
removed from the transceiver.
• This TNC unit is not equipped with all the functions an external TNC may have
(Some functions may be limited).
IMPORTANT: • Packet communication is easily affected by the transmission and re-
ception environment especially in the 9600bps packet mode, commu-
nication error may easily occur unless all segments of the S-meter are
displayed.
• While in the packet mode or geolocating communication mode, tones or
codes are not output even if a Tone setting or a DCS setting is programmed.
TNC