PK-232 MBX – OPERATING MANUAL COMPUTER INSTALLATION
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Follow the installation directions that come with the Terminal program you wish to use.
Once installed on the computer, you should start the program and set the communication
parameters for the following:
COMPATIBILITY:
1200 bauds, 7 bits/character, even parity, Handshake XON/XOFF, FULL-DUPLEX, Modem
connection, "telephone" port.
Once these settings have been achieved, proceed to section 2.5.
2.5 System Startup and Loop-back Test
Make sure that you have connected your PK-232 to a 12-14 Volt DC power source and to the
RS-232 port of your computer or Computer Terminal. If you are using a computer, you must
also have a communications program and be familiar with its operation. You are now ready
to begin the following PK-232 Startup and Loop-back check-out procedure.
1. Don't connect any cables to your radio yet!
2. Set the front-panel RADIO 1/RADIO 2 switch to RADIO-1 (out).
3. Remove one of the 5-wire shielded Radio Cables from the PK-232 accessory bag. If
you have a single 10-Ft. cable with 5-pin connectors on each end, it should be cut
in half.
4. With your pocket knife or wire strippers, remove about an inch of cable jacket ex-
posing the five colored wires and the shield-wire.
5. Strip about ¼ inch of insulation from the GREEN and WHITE wires. Short the
GREEN and WHITE wires together by twisting gently.
6. Plug this Radio Cable into the 5-pin RADIO 1 socket on PK-232's rear panel. Make
sure that the cable exits the PK-232 downward.
7. Set the AFSK level on the right-rear of the PK-232 to 50 % rotation (straight up and
down) using a small screwdriver.
8. Turn on your computer. Load and run your communications program.
If you are using Timewave program, follow the program instructions to enter the
Packet mode, then skip to step 11.
If you are using another Terminal Program or a Computer Terminal, Set your computer's ter-
minal program to:
o 1200 bauds (if available);
o seven-bit word;
o even parity;
o one stop bit.
NOTE: You may use other terminal baud rates with the PK-232 – we recommend
1200 baud here to keep this procedure easy and consistent.
9. Press the PK-232's power switch to the ON position.
The four LEDs clustered at the left side of the panel will light briefly and then the
BAUDOT LED will light. If any other LEDs light, the PK-232 has been previously ini-
tialized. If you know the terminal baud rate the PK-232 has been set to, you may
proceed to step 11; otherwise you must remove the JP1 battery jumper as de-
scribed in section 2.2.1 before you proceed.
If your serial port is operating at 1200 bauds as we recommend, you'll see the
"autobaud" message:
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