Specifications

9. When done using
the PK-96 as
a Stand Alone Tracking Device, connect
your
TNC
to the computer
again, verify
that
your
terminal
baud rate is at 4800 baud, 8 bits, no
parity,
one stop bit.
A l'ew
sec-
onds
after
powering
up, the PK-96
will notice there is no GPS receiver connected and will
dispiay
its
sign-on message and command
prompt.
APRS Hardware
Single Port Mode
(HSP)
Set-Up:
Requires
a
registered version of
APRS
APRS version 4.03
and higher includes
a
routine
that controls thc switching of the Single Port Mode be-
tween the TNC and
any GPS receiver using the handshaking lines
of the COM
port.
HSP allows
you
to
operate
APRS
on a computer with limited
COM
ports,
such as a laptop which usually has only one COM
poft,
or
your
PC which
uses one of the two
COM
ports
dedicated to a
mouse. This is
the only configr-rra-
tion which
uses the APRS adapter cable. You
will need to have a registered copy of APRS in able to acti-
vate
the GPS input. Registration
infbrmation is contained in the APRS readme flles.
Follow
these sleps to connect
the APRS Adapter Cable to
your
equipment:
l. Look
at the APRS adanter
cable. It looks like this:
COMPUTER
*WE
*
APRII!
-IADAPTER
cABLEI;
Notice
the words
on the outside of the rectangle;
they say
TNC,
Computer, and GPS.
This
is
how
the
Cable should be connected.
2.
Connect the APRS Adaptcr
Cable to the
serial
port
on the TNC. The male side of the Adapter
Cable, labeled TNC,
should be connected
to the
I'emale
serial
port
on the PK-96.
3. Connect an RS-232
(not
included) to
a
lree
COM
port
on
your
computer. Connect the other end of
this
cable to the RS-232
port
rnarked
"Computer"
on the
APRS Adapter
Cable.
(The/emale
skle
ol
the Adapter
Cable,
labeled
'computer',
should
be connected to a cable
going
to the computer.)
4. The
cable
thal. comes out the side
of the APRS Adapter, labeled
"GPS",
connects to
the NMEA-
0183
port
on
your
GPS receiver.
The
cable is now
correctly connected
to
your
equipment.
To
set up the PK-96
for HSP
operation, follow these
steps:
1. Connect
your
TNC to
your
computer and to
your
GPS
receiver
using the Timewave APRS Adapter
Cable fbllowing
the
steps noted
previously.
Get the computer running APRS software and the TNC
running. Leave
the GPS receiver
ofT until
you
are ready to receive the
NMEA string.
2. Press
ALT-S
to bring up the setup menu.
3.
Now
press
G
for
GPS.
4.
Press H
for HSP.
5. Now
press
ALT-S
to save.
6. Enter
S for SAVE.
1. Now
follow
the
prompt
fiom APRS
to
validate
your
APRS registration and save the rnode changes.
8. Turn
your
GPS receiver
on, and
you
are ready for APRS HSP
operation.
9.
When
finished
using the PK-96 for
APRS HSP operation,
simply
quit
APRS.
APRS
may
ask
you
for
some information
before
quitting.
Answer
the
questions
and
when
done,
your
PK-96 will be
ready
for non-GPS
activities.
+
rl
Ltil*