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USER'S GUIDE
n
MYCALL call [-
]
Mode: Packet
Parameters:
call -
n
-
MYCALL
Use the
command to load your call sign into your PK-232's RAM. Your call sign is inserted
automatically in the FROM address field for all packets originated by your PK-232. MYCALL is also
used for identification packets (see HID and ID).
Your PK-232 accepts connect request frames with your
with this call sign in the digipeated field.
The "PK232" default call sign is present in your PK-232's ROM when the system is manufactured.
This "artificial call" must be changed for proper operation of the packet and AMTOR protocols.
Two or more stations cannot use the same call sign (including SSID) on the air at the same time.
Use the SSID to distinguish two stations with the same amateur call.
The SSID will be 0 (zero) unless explicitly set to another value.
Although there is no standardization of SSIDs at present, most Packet operators use SSID 0 (zero)
for manual or local keyboard operation of their main station, and SSID of (-1) or (-2) for a secon-
dary station or dedicated digipeater under their responsibility.
Local area networks operated or maintained by a Packet group or club may use the same call sign
for several stations in their network, each node or unit being identified with a different SSID.
As Packet networks grow and become more complex, with multi-port and gateway systems and
frequency translation between bands, SSIDs become especially significant. For example look at the
hypothetical case:
W2HPM-4>K2AAA-5>W2JUP-1>W2JUP-2>W2JUP-4
145.07
In this example, PBBS (Packet Bulletin Board System) W2HPM-4 is linked to PBBS W2JUP-4 via
three digipeaters, each having a distinctive SSID.
NOTE:
Your PK-232 will not operate in the Packet Mode until you have installed your own
call sign in place of "PK232".
aaaa
MYSELCAL
Mode: AMTOR
aaaa
Parameters:
- Specifies your SELective CALling code (SELCALL)
MYSELCAL
Use the
command to enter the SELCALL (SELective CALLing) code required in AMTOR
ARQ (Mode A) and SELFEC operating modes.
contain four alphabetic characters and is normally derived from your call sign. You can't operate
AMTOR unless your SELCALL is installed. The error message reminds you:
?need MYSELCAL
PK232UG Rev. B 9/86
Mnemonic: MY
Your call sign
0 - 15, indicating an optional substation ID, (SSID)
145.07
221.11
Mnemonic: MYS
Default: PK232
MYCALL
in the TO field and repeats frames
221.11
145.07
Default: empty
MYSELCAL
is a unique character string which must
6-53
COMMAND SUMMARY
155
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