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USER'S GUIDE
Some of the call signs groupings now in use:
GROUP
1 by2
1 by3
2 by1
2 by2
2 by3
For "1 by 2" call signs, the first letter is doubled, e.g., W1AW becomes WWAW. For most cases this
is acceptable.
However, if you become aware that a station in another call district or zone is also active on AM-
TOR and may be using the same SELCAL, you can derive your own unique SELCAL by substituting
a letter for your call district number. Use the letter corresponding to the call district number as it
appears on the keys of a standard typewriter or Baudot RTTY keyboard.
Let's assume that your call sign is N7ML. You discover that there is another station with the call
N?ML. Change your SELCAL to NUML, according to the following table:
1 = Q
2 = W
3 = E
Although the convention is to form the SELCALL from the call sign, your PK-232 is capable of in-
cluding any AMTOR character in the SELCALL, including digits 0 through 9. In accordance with
CCIR Recommendation 491, four- or five-digit numbers may be entered; the PK-232 automatically
translate the numeric entry to your four-letter alpha SELCALL.
NEWMODE ON|OFF
Mode: Packet
Parameters:
ON -
OFF - The PK-232 does not return to Command Mode at disconnect.
NEWMODE
determines how your PK-232 behaves when the link is broken.
Your PK-232 always switches to a data transfer mode at the time of connection, unless NOMODE is
ON.
Set
NEWMODE
for the type of operation most suitable to your needs.
NEWMODE
If
is OFF and the link is disconnected, your PK-232 remains in Converse or Transparent
Mode unless you have forced it to return to Command Mode.
NEWMODE
When
is ON and the link is disconnected, or if the connect attempt fails, your PK-232
returns to Command Mode.
Bulletin Board or other host computer programs designed to operate with earlier TNC systems may
NEWMODE
require
to be set OFF.
PK232UG Rev. B 9/86
CALL
W1XY
W1XYZ
AB1X
AB1XY
KA1XYZ
4 = R
5 = T
6 = Y
Mnemonic: NE
The PK-232 automatically returns to the Command Mode at disconnect.
SELCALL
WWXY
WXYZ
AABX
ABXY
KXYZ
7 = U
0 = P
8 = I
9 = O
Default: ON
6-54
COMMAND SUMMARY
156
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