User's Manual

40
8. PACKET OPERATION
Packet Mode Setting
1. Press FUNC key. While F icon is on, press SQL key. [ ] appears on the LCD
display and the transceiver enters packet mode. Repeat the same sequence to exit
from packet mode.
2. Use the computer keyboard to send designated commands from your PC to enter the
packet network and start operation. Refer to the chart for TNC commands. Use the
commands to select between 1200/9600 bps data speed.
Reference:
The configuration of EJ-41U is as follows. Please use PC commands to program.
• Data Speed (Transfer Rate) 9600bps (to computer)
• Data Length 8 bit
• Parity Bit none
• Stop bit 1 bit
• Flow Control Xon/Xoff
Once the EJ-41U is programmed, the settings are stored in memory even if the unit
is removed from the transceiver. Some EJ-41U functions may be limited as com-
pared to those found in an external TNC.
W2
VCO case
CN107
DSUB-9
Bottom side
W1
D
A
TA
T
X
3. Place the cushion sticker on the VCO shield case (a metal housing on the circuit
board).
CAUTION:
In order to replace a lithium-Ion battery installed on EJ-41U, please be mindful to the
polarity of the battery. If it is replaced in wrong way, it may cause damages to the EJ-
41U and/or the radio risking even the explotion of components. A soldering iron is
required for the task and if you are not confident, please consult with your local
Alinco dealer for the replacement.
EJ-4 1U (option)