User's Manual

Atlas PT Technical Manual

6. Setup and Initial Configuration

Charge the battery

Connect the supplied antenna (if not affixed)

Connect a computer terminal, or PC computer running a terminal program, to the 5-pin

I/O connector. The factory default serial ports settings are 38400 bps, 8 data bits, 1

stop, no parity.

Put the ATLAS PT into command mode by entering +++.

Enter +++to enter command mode.

Program the modem’s operating frequency to your desired operating frequency. This is

done with the ATFX xxx.xxxxx command. In most applications, the default settings

from the factory will work fine.

With the unit in the command mode, change any of the default operating parameters

that must be modified. From the factory, the modems are configured and delivered

ready-to-use. Out of the box, they will communicate on the default radio channel using

the factory defaults. Raveon highly recommends you test them first with the factory

defaults and see how they work before reprogramming them. In general, the

parameters you may want to modify will be:

ATFX Frequency for this channel. Set to your frequency.

ATMY The individual ID of this unit. Default is 0001. Number all of your ATLAS PT

transponders with a different MYID. Raveon recommends sequentially numbering

them, starting at number 1.

SLOTNUM Set the TDMA slot number for this radio to use. Typically, this is set to the

same as the ID of the radio as set with the MYID command.

ATDT The ID address of the unit this modem will talk to. Default is 0001.

ATMK The network address mask. Default is F000. This means this unit will receive all

transmissions from any other unit with an ID beginning with 0 (0001 thru 0999).

KEYPHRASE Enter a security key code. Use any word or phrase 1-16 characters

long. It is case-sensitive. DO NOT FORGET WHAT YOU SET IT TO! The

KEYPHRASE is the only parameter that cannot be read out of the Atlas SM. It must

be the same as the KEYPHRASE programmed into all the other ATLAS PT

transponders in your system. The factory default KEYPHRASE is RAVEON, all

capitals.

ATSM If you want the unit to receive also, you must issue the ATSM 0 command. The

default is receiver disabled, ATSM 4, and the receiver will be off. ATSM 0 turns the

receiver on and allows the unit to receive messages from other transponders, both

ATLAS PT type and Raveon’s M7 series.

Remember, that from the factory, all ATLAS PT modems are configured to simply work.

Plug in power and connect to the serial port at 38400 baud, and the modems will