Raveon Atlas PT User manual

Atlas PT
VHF GPS Transponder
Technical Manual
Rev F3
Raveon Technologies Corporation
2461 Impala Drive
Carlsbad, CA 92010 - USA
www.raveon.com | www.ravtrack.com

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Table of Contents
1. General Information about the RV-PT ......................................................................5
1.1 Congratulations!.................................................................................................5
1.2 NOTICE .............................................................................................................5
1.3 Safety / Warning Information..............................................................................5
Blasting Caps and Blasting Areas.............................................................................5
Potentially Explosive Atmospheres...........................................................................5
1.4 Lithium-Ion Battery Notice..................................................................................5
1.5 Safety Training information ................................................................................6
2. Overview...................................................................................................................7
2.1 Features.............................................................................................................7
3. Specifications............................................................................................................7
3.1 General ..............................................................................................................7
3.2 Transmitter.........................................................................................................8
3.3 Receiver.............................................................................................................8
3.4 Batteries and Charger........................................................................................8
3.5 User Input and Output Signals...........................................................................8
3.6 GPS and Transponder.......................................................................................9
3.7 Model Numbers.................................................. Error! Bookmark not defined.
4. Electrical Inputs and Outputs....................................................................................9
4.1 Buttons.............................................................................................................10
Power .....................................................................................................................10
Alert........................................................................................................................10
4.2 LEDs................................................................................................................10
Status LED .............................................................................................................10
Power LED .............................................................................................................10
Alert LED................................................................................................................11
4.3 DC Power.........................................................................................................11
4.4 External Battery Port........................................................................................11
4.5 Serial I/O Connector.........................................................................................12
4.6 I/O Cable Options.............................................................................................13
5. Configuring the Atlas SM........................................................................................14
5.1 Overview..........................................................................................................14

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5.2 Command Mode...............................................................................................14
5.3 Setting a Parameter.........................................................................................15
5.4 Reading a Parameter.......................................................................................15
5.5 Configuration Commands ................................................................................16
5.6 Additional Personal-Locator Related Commands.............................................18
5.7 Software Upgrades ..........................................................................................22
5.8 Factory RV–SM Default Settings......................................................................23
6. Setup and Initial Configuration................................................................................24
6.1 Position Transmission......................................................................................25
6.2 Set the Transmission Report rate.....................................................................25
6.3 Battery Life and Power Savings Options..........................................................27
Deep Sleep.............................................................................................................27
Listen-slot Mode .....................................................................................................27
Serial Sleep Mode ..................................................................................................28
6.4 Data Transmission...........................................................................................28
6.5 Data Reception ................................................................................................28
Serial Port Data ......................................................................................................28
GPS Position and Status ........................................................................................28
6.6 Device Addressing...........................................................................................29
Security Key............................................................................................................29
ID Addressing Basics..............................................................................................30
Time Slots...............................................................................................................30
6.7 Local NMEA data from the internal GPS..........................................................31
7. Operation................................................................................................................32
7.1 Battery Life.......................................................................................................32
8. RV-M7 Diagnostic Provisions .................................................................................33
8.1 Status and Statistics Command.......................................................................33
8.2 ATST Command ..............................................................................................33
8.3 ATST1 Command (GPS Statistics).................................................................34
8.4 ATST3 Command ............................................................................................34
8.5 ATST4 Command ............................................................................................34
9. Troubleshooting......................................................................................................35
9.1 Symptom: Unit will not receive........................................................................35
9.2 Symptom: Unit will not transmit.......................................................................35

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9.3 Symptom: Receive light blinks, but no data is received ..................................35
9.4 Symptom: Long delay before transmitting.......................................................36
9.5 Symptom: Cannot enter Command Mode.......................................................36
9.6 Symptom: Repeater will not repeat.................................................................36
9.7 Symptom: Transmits position, but no data......................................................36
9.8 Symptom: Radio does not turn on or does not charge.....................................37
10. Mechanical..........................................................................................................38
11. ATLAS PT Messages..........................................................................................39
11.1 $GPGSV Satellites In View..........................................................................39
11.2 $GPWPL Waypoint Location .......................................................................39
11.3 $PRAVE Raveon Proprietary Message, Location-Status.............................40
12. Maintenance........................................................................................................42
12.1 Antenna ........................................................................................................43
12.2 Battery ..........................................................................................................43
12.3 External Battery Port.....................................................................................43
12.4 Serial I/O Connector .....................................................................................43
12.5 Bottom DC Power Port..................................................................................43

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1. General Information about the RV-PT
1.1 Congratulations!
Congratulations on your purchase of the ATLAS PT GPS transponder–the most
advanced UHF/VHF GPS transponder available today.
Please take a few minutes to read this manual carefully. The information presented here
will allow you to derive maximum performance from your radio modem. After reading it,
keep the manual handy for quick reference, in case questions arise later on.
1.2 NOTICE
There are no user-serviceable points inside this transceiver. All service work must be
referred to your Authorized Service Center or Raveon Technologies Service
Department.
1.3 Safety / Warning Information
Blasting Caps and Blasting Areas
To avoid possible interference with blasting operations, turn off this radio or remove the
battery pack when you are near electrical blasting caps, in a blasting area, or in areas
posted: “Turn off two-way radio.” Obey all signs and instructions.
Potentially Explosive Atmospheres
Turn off your radio prior to entering any area with a potentially explosive atmosphere.
Do not install this product for use in areas with potentially explosive atmospheres. Do
not remove, install, or charge batteries in such areas. Sparks in a potentially explosive
atmosphere can cause an explosion or fire resulting in bodily injury or even death.
Note: The areas with potentially explosive atmospheres referred to above include fueling areas such as
below decks on boats, fuel or chemical transfer or storage facilities, areas where the air contains
chemicals or particles, such as grain, dust or metal powders, and any other area where you would
normally be advised to turn off your vehicle engine. Areas with potentially explosive atmospheres are
often but not always posted.
1.4 Lithium-Ion Battery Notice
This product contains two Lithium Ion battery cells.
U.S. Postal regulations, Federal Regulations, and other common carriers restrict the
shipment of products containing Lithium-Ion batteries. Consult your carrier before
shipping this product.
When sending the product by US mail, it should be mailed using surface carriers, and
the outside of the shipping container should have a notice:
Package Contains Primary Lithium Batteries
Never mail or ship damaged batteries.

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When shipping this product, properly label the shipping container per current
regulations. Regulations regarding shipment of products containing Li-Ion batteries
changes frequently, so consult your carrier and regulatory bodies. USPS requires a
"Surface Mail Only" label in addition to DOT's "Primary Lithium Batteries--Forbidden for
Transportation aboard Passenger Aircraft" label.
1.5 Safety Training information
Always use this radio with the antenna supplied with it. This radio is restricted to
occupational use. Work related operations are permitted only when the radio operator
has the knowledge to control the exposure conditions of its passengers and bystanders
by maintaining the minimum separation distance. Failure to observe these restrictions
may result in exceeding the FCC RF exposure limits.

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2. Overview
The ATLAS PT GPS transponder is a rugged high-speed UHF/VHF data
modem with a built-in 12-channel GPS receiver. It can be set to output
½ to 5 watts of RF power, and can act as a transmitter or receiver (or
both) of GPS location data.
By default the ATLAS PT is configured as a Personal Locator. All
Raveon GPS tracking products are configured using the GPS x
command. The ATLAS PT comes configured from the factory as GPS 8.
Receiver is always off, serial baud rate is 38400, and battery-saving
features are enabled.
As well as sending position and status data, the ATLAS PT also has a
radio modem with integrated RS232 interface. For privacy and security,
over-the air encryption is standard on every ATLAS PT radio. For
network versatility, the ATLAS PT incorporates a 16-bit identification
code, allowing up to 65,000 objects to be identified in one system. For
wide-area coverage, all ATLAS PT transponders may be set to store-
and-forward messages from other ATLAS PT transponders.
2.1 Features
Transmissions include ID, position, speed, heading, voltage or charge level, temperature,
input/output status, UTC time, proximity, man-down alarm, no-motion alarm and locally
initiated alerts.
Integrated Li-Ion battery and battery charger.
Ultra-fast 3mS TX-RX switching and 4-level GFSK modem allows truly real-time tracking
and status.
Outputs and accepts NMEA 0183 GLL, TLL, WPT, GSV, and PRAVE messages.
High-speed over the air data rates. 9600bps in 12.5kHz.
Built-in TDMA channel access allowing truly real-time tracking (200 transmissions in 10
seconds)
Very low current draw. As low as 25mA average.
16 bit addressing for up to 65,525 different unique IDs per channel.
Programmable proximity alert (1-9999 meters) and programmable position report rate (1-
9999 seconds).
User-initiated alerts with base station acknowledgement.
Arbitrary data exchange on demand.
3. Specifications
3.1 General
All measurements made per TIA-603-B

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Frequency: Model RV-PT-VB..............................................................................................150-174MHz
Size (without antenna) ......................................................................................................5.45” X 2.62’ X 1.23’
Weight (radio) ...............................................................................................................15 ounces (0.43kg)
Weight (external battery pack)…........................................................................................8.5 ounces (0.25kg)
Radio current draw, receiving, over-the-air rates ...................................................................................<90mA
Current draw when transmitting data ........................................................<2.3A typical, 1.2A typical at 2watts
.............................................................................................................<2.5A max at 5watts
Low Power Mode standby current (Transponder in-between timed transmissions ).............................<25mA
Sleep/Chirp Mode standby current...........................................................................................................<1mA
Frequency stability.............................................................................................................................. ±1.5ppm
Narrow-band Over-the-air baud rates ........................................................................................................9600
Internal data buffers (transmit and receive)....................................................................................>2000 bytes
Operating temperature range.....................................................................................................-23ºC to +50ºC
Storage temperature range.......................................................................................................... 0ºC to +35ºC
Power on time to operational ......................................................................................................................<1S
3.2 Transmitter
RF power output (programmable)....................................................................................................½ - 5 watts
Note: RF power output will vary from 3-5 watts at full power, depending upon battery voltage
Maximum duty cycle................................................................................................................................... 10%
Maximum transmit frequency deviation................................................................± 2.2kHz (12.5kHz channels)
Occupied bandwidth................................................................................................11 kHz (12.5kHz channels)
TX spurious outputs............................................................................................................................< -70dBc
Emissions designator..........................................................................................11K0F1D (12.5kHz channels)
3.3 Receiver
Typical RX sensitivity (1% BER)
9600bps, 4-level, 12.5kHz channel.........................................................................-105dBm
RX selectivity .........................................................................................-50dB (12.5kHz channel spacing)
Spurious and image rejection...................................................................................................................-75dB
RX intermodulation rejection....................................................................................................................-70dB
Conducted spurious emissions ...........................................................................................................<-53dBm
3.4 Batteries and Charger
DC input voltage ..............................................................................................................................9-15V DC
Current draw when charging (internal or external) battery..........................................................................<2A
Internal Battery Capacity.................................................................................................................... 2200mAh
Capacity at 0C ...................................................................................................................................... 80%
Capacity at -20C ...................................................................................................................................... 50%
Charge/discharge cycles for >70% capacity ................................................................................................500
Charge time (90%)...............................................................................................................................<3 hours
Self-discharge rate ..............................................................................................................................<400uA
Maximum time between charges.........................................................................................................2 months
3.5 User Input and Output Signals
Serial port baud rates.............................................. 1200, 2400, 4800, 9600, 19200, 38400, 57600*, 115200*
Voltage levels .......................................................................................................RS-232 complaint levels
RS232 handshake signals .........................................................................................................................none
Transceiver RF ......................................................................................................................... 50 ohm TNC
GPS Antenna ..............................................................................................................Amplified Geo-Helix
Power Connector ........................................................................................................... LEMO B-Series 5-Pin
External Battery Port............................................................................................ Sealed pogo spring contacts
* only with ATCM setting disabled

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3.6 GPS and Transponder
Number of channels.......................................................................................................................................12
Horizontal accuracy (24 hour static)...............................................................................<2.5m 50%, <5m 90%
Acquisition (-130dBm, 50%)........................................................................<40sec cold start, <15sec hot start
Sensitivity ..............................................................................Tracking -150dBm, Acquisition -142dBm
NMEA Output sentences.................................................................................. WPL, TLL, GLL, GSV, PRAVE
Position report rate, programmable...................................................................................... 1 to 9999 seconds
Position report resolution ..........................................................................................................0.0001 degrees
Voltage report resolution/accuracy.....................................................................................................0.1V/10%
Temperature resolution and accuracy (enclosure temperature).................................2 degrees C/4 degrees C
Velocity resolution and accuracy.........................................................................................1km / 1km per hour
4. Electrical Inputs and Outputs
The top of the ATLAS PT modem has these features:
RF connector for UHF/VHF antenna
Power Button/LED
Alert Button/LED
Status LED (Receive data = green, TX = red)
Sealed GPS Antenna

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4.1 Buttons
Power
Press this button to turn the power on. Press and hold it for two seconds to turn the
power off.
The ATLAS PT can be configured to disable the ability to power off via the power button
(see the POWER command). This can also be achieved over-the-air.
Alert
Press this button to generate an alert. Press and hold it for two seconds to generate a
Critical Alert. Press and hold it for more than 5 seconds to clear all wearer-initiated
alert conditions.
Alerts may be acknowledged over-the-air or via a serial connection. See the command
section for more details. Alerts have many configurable parameters. See the
ALERTCAN and ALERTLEVELS command.
4.2 LEDs
The status LEDs visually show the current status of the radio.
Status LED
This LED is green for two seconds when first powered on. For the first ten minutes of
operation, the LED indicates GPS lock and carrier detect status, in the following
manner:
Flashing Orange –Looking for GPS lock
Red Blink –Transmitting position
Green –GPS lock attained and carrier detected
Off –GPS lock attained; no carrier detected
After ten minutes of operation, this LED is off. If the power button is pressed briefly, the
status LED will operate as above for five seconds.
Power LED
If the there is a charger plugged into the Atlas SM, the Power LED will blink green
shortly every three seconds to indicate that the unit is working. If no charger is plugged
in, the Power LED is off. The ATLAS PT has many power savings options which may
modify the operation of the Power LED. See the section on battery and power saving for
more information.

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POWER LED
Charger plugged in
Battery Charged
Battery Low
Unit is OFF
No
OFF
YES
Solid green
Solid Orange
Unit is ON
No
Green blink
10 second rate
Red blink
3 second rate
YES
Green blink
3 second rate
Orange blink
3 second rate
Battery failure detected
(See the Maintenance
Section)
No
Radio will not turn on
YES
Red Blink @Half second rate
Alert LED
While off during typical operation, this LED turns orange when an Alert condition is
being transmitted. When the alert is acknowledged over-the-air, this Alert LED will turn
green. This LED can only be turned off over-the-air to disable the alert alarm.
4.3 DC Power
DC power for the SM is connected to the 5-pin Lemo connector near the bottom-side
of the unit. Use the supplied cable to connect the DC power. The red wire is
positive (+) and the black wire is negative (-).
The internal smart-battery electronics will charge and keep the battery charged as long
as DC is supplied. The DC input range is 10-15VDC and the charging supply should be
able to handle at least 2A.
The SM also has the ability to connect to a gang charger by means of three contacts on
the bottom of the radio shown below.
4.4 External Battery Port
The ATLAS PT has the ability to connect to an external battery
pack for extended operation. The SM connects to this battery

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pack through a 5 pin POGO interface, 6 pins are used on the connector for ruggedness
and alignment but the middle pin in the bottom row is unused. This port is potted with a
sealant for waterproofing purposes and the SM has internal short-circuit protection but
can be damaged if an external voltage is applied to the wrong pins. Please use only
Raveon supplied assemblies for connection to this port.
4.5 Serial I/O Connector
The I/O connector is a LEMO B-Series 5-pin circular waterproof connector. It is used for
RS232 connection and for the DC input for the charger. This is a locking connector and
is released by simply pulling outward from the center of the connector.
The 5-pin I/O connector has the following pin-out:
Number
Function
Notes
1
Charger Input (DC-IN)
10-15VDC input for charging battery.
2
Internal Battery
Output
5-8.5V output, 200mA max current
draw. This line is switched and is only
on when specifically configured
3
GND
System Ground
4
TxD
Data into the SM. Also used as digital input
IN2 for exception reporting. GND or floating for
a 0, >3V for digital 1. If enabled for digital
inputs, the serial data entering this pin is
ignored (except in the command mode). Use
the TRIGBITS command to set which bits are
used as inputs.
5
RxD
Radio data output
Pin 1
Pin 1 Marker
Front view radio side
Front view cable side

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4.6 I/O Cable Options
There are 4 basic types of interface cables available for the Atlas SM. They are shown
below.

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5. Configuring the Atlas SM
5.1 Overview
The RS-232 serial port on the unit is used to send and receive data over the air, as well
as to configure the RF modem. In normal operation, the user sends serial data into the
TxD pin of the user port, and this data is transmitted over the air. Received data from
another RF modem is output to the user via the RxD pin of the user port. This is the
default operating condition of the RF modem. No special characters, hardware control
lines, or timing is required to operate the RV-M7 modem.
If the ATLAS PT is configured as a Personal Locator (GPS 8 mode), the serial port need
not be connected to anything. The internal GPS will initiate the transmissions of
position and status.
There is also a Command Mode used to program and configure the Atlas SM. In the
Command Mode, the ATLAS PT modem accepts commands via the serial port TxD pin.
The commands can be used to change certain internal parameters of the ATLAS PT
modem as well as to read-out the current configuration and diagnostic statistics.
The ATLAS PT also supports Raveon’s Wireless Modem Exchange (WMX) protocol for
commanding and messaging. WMX is ideal for fully automated control and tighter
integration. For more information, see the WMX Protocol Description document and the
Raveon Tech Note “Rapid Radio Configuration using WMX”.
5.2 Command Mode
The ATLAS PT modem may be put into a Command Mode, by entering a sequence of
three plus characters +++. To keep the ATLAS PT modem from unintentionally entering
the Command Mode because of the +++ pattern occurring in a stream of data entering
the modem, there must be a pause in the data stream before the +++ as well as a
pause after the +++ is sent. If either pause is missing, the modem will not enter the
command mode.
Using serial communications software such as HyperTerminal, send the 3-character
command sequence +++.
When the ATLAS PT modem first enters the Command Mode, it sends the phrase RV-
M7-SM out it serial port, and then an OK sequence. The OK sequence is a sequence of
4 characters:
“O”, “K”, <CR>, and <LF>characters (<CR> = ASCII 0D, <LF>= ASCII 0A)
Note that the internal power-management function may turn the product off to save
power. The LEDs on the unit will continue to blink, but all internal circuits are off. This
only happens if the TXRATE is greater than 60 seconds. The Power LED will blink at a
4-second rate if the radio is off. When the radio powers on, it will send an OK.
To ensure the internal radio is on, and able to be put into Command Mode, you may
turn the unit off, and then back on.

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For configuration and other communication in a machine-to-machine environment,
Raveon recommends the WMX protocol instead of command mode. See the WMX
specification for usage information. The ATLAS PT fully implements the WMX protocol.
5.3 Setting a Parameter
To set a parameter in the ATLAS PT modem, enter the Command Mode as described
above. Then enter the proper command, a space, the parameter, and then a carriage
return. For Example, to set the destination address of the ATLAS PT modem to 1234,
enter the following command:
ATDT 1234<CR>.
Once a Parameter is changed, it will be permanently saved and the modem will begin
using the new parameter.
5.4 Reading a Parameter
To read the value of a particular setting, issue the command with no parameter. The
modem will return the value followed by an “OK”.
For example, if the user enters the command to read the ATLAS SM’s destination
address and its address was 1234, the user would issue the following command:
ATDT<CR>
and the modem will respond with:
1234<CR><LF>
OK<CR><LF>
To get on-line help with a command, enter the command and put a question mark in for
the parameter. For example, to see what the ATDT command is used for, type ATDT ?.
The modem will respond by listing a brief description of the command. To see a list of
all commands, type HELP.

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5.5 Configuration Commands
The following commands are implemented by the Atlas SM.
Command
Command Description
Parameters
Factory
Default
ATBD
Baud Rate –Sets serial com port baud rate (bps). Over-the-
air (throughput) baud rate is set with ATR2 command.
If a PC’s serial baud rate is set higher than the fixed over-the-
air baud rate of the module, hardware handshaking may be
required.
Range: 0 –7
0 = 1200 5= 38400
1 = 2400 6=57600
2 = 4800 7=115200
3 = 9600
4 = 19200
5
ATDT
Destination Address–Sets address of the modem to send
data to.
Range: 0-9999
0001
ATF
Display frequencies –Display all of the frequencies
programmed into all of the channel memories.
N/A
ATFT
Transmit Frequency –Program the transmit frequency for
this channel. Enter in Hz or in MHz. The frequency will
automatically be saved in non-volatile memory (flash) for this
current channel number.
Range: See product data
sheet. For MURS products,
frequency cannot be changed.
See
product
data sheet.
ATFR
Receive Frequency –Program the receive frequency for this
channel. Enter in Hz or MHz. The frequency will
automatically be saved in non-volatile memory (flash) for this
current channel number.
Range: See product data
sheet. For MURS products,
frequency cannot be changed.
See
product
data sheet.
ATFX
TX and RX Frequency –Program the receive and transmit
frequency for this channel. Enter in Hz or MHz. Same as
issuing an ATFR and an ATFT command. The frequency will
automatically be saved in non-volatile memory (flash) for this
current channel number.
Range: See product data
sheet.
N/A
ATGP
Group Number –Set or read the unit’s Group Number. 0
means this feature is not used. If GP is set to any number
other than 0, then all radios communicating with this unit must
have the same group number programmed into them.
Range 0-255
0
ATHP
Channel Number –Select separate channels to minimize
interference between multiple sets of modules operating in the
same vicinity.
Range: 1 - 6
1
ATIC
Read Current Draw Read the current draw in mA. Accuracy
is within 20% of actual current draw.
Range: 0-9999
N/A
ATMK
Address Mask –Configures local and global address space.
Each digit may be a 0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,or F. In
most applications, this is kept at FFFF.
Range: 0000 - FFFF
FFFF
ATMY
Unit Address –Configures the individual; address for this unit.
Each digit may be a 0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,or F. Note:
FF is interpreted as a group. See addressing section.
Range: 0000 - FFFF
1234
ATNB
Parity –Selects parity format. Settings 0-4 transfer 8-bits over
antenna port and generate the parity bit on the RF receiving
side.
Range: 0 –5
0 = none
1 = Odd
2 = Even
3 = Mark (1)
4 = Space (0)
0
ATNS
Stop Bits –Selects the number of stop bits.
Range: 1-2
1
ATPO
RF Power Output. Set or show the RF power output setting.
Value is in percent, from 0% to 100%. Use and RF wattmeter
to confirm the power setting, and adjust the % accordingly to
obtain the desired RF power level.
0-100
100

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17
ATPC
Read TX Current. Read the device’s current draw during the
last transmission, in mA.
0-9999
-
ATRQ
Receiver Signal Level –Reads the Receiver Signal strength
this instant, and returns the level in dBm.
Range: -40 to –130 (dBm)
-
ATRS
RSSI (Receive Signal Strength Indicator) –Returns the
signal level of last received packet. The reading is in dBm.
Usable for relative comparison of signals, but absolute value
is within10dB at -90dBm.
No parameters. Returns a
number: -50 to –140
(dBm) varies by model.
none
ATRV
Disable Remote Access –When enabled (set to a 0), the
modem will respond to over-the-air RPR requests, Pings, and
over-the-air commands. Default is OFF (1).
0= Remote Access on
1=Remote Access off
1
ATSL
Serial Number –Reads and returns a unique serial number
for this unit.
Read Only
1 - 999999999
unique
ATSH
Show –Display the configuration of the modem. This will
return a page of ASCII characters, showing the main
configuration parameters.
none
None
ATSM
Power Savings Options –When set to 0, the internal radio
receiver will be ON. When set to 4 (default for the Atlas
SM), the internal radio receiver will always be OFF and the
radio will not receive over-the-air messages.
Range: 0, 1, 2, 3, 4, 5
4
(RX OFF)
ATST
Statistics –Show the unit’s operational statistics. See
Statistics section of user manual.
0, 1,2, 3, 4, or 5
None
ATTE
Read product temperature –Read the internal temperature
of the unit’s circuit board in degrees Celsius.
-40 to +99
-
ATTT
Max Packet Size –Set the maximum number of bytes in an
over-the-air packet.
1 - 512
80
ATVB
Read DC input Voltage–Returns the DC input voltage
reading, in mV (12500 = 12.5VDC input).
None
none
ATVR
Firmware Version –Returns firmware version currently
loaded on the module.
Read Only, 3 characters
none
ATXn
Show or Configure the Repeat Table –Set the addresses
that this unit will store-and-forward data to/from. n = 1, 2, 3, or
4 designating the entry in the table to show or edit..
Four parameters
aaaabbbbccccdddd where
aaaa=Source Address
bbbb = S.A. Mask
cccc = Destination Address
dddd = D.A. Mask
ATXR
Enable/Disable Store and Forward Repeating –0=disabled,
1 –enabled.
0 or 1
0 (Off)
ATHX
Enable/Disable single-hop repeating –0=any number of
repeats, 1 –unit will not repeat a packet that was already
repeated.
0 or 1
0 (multi-hop
OK)
AT&F
Restore Factory –Restore the factory default values. This
command will not erase the calibration values.
none
PING
Ping another modem. Format is PING xxxx, where xxxx is
the ID of the modem to ping. If remote access is enabled on
xxxx, it will respond.
XXXX
-
RPR
Remote Procedure Request. Used to request execution of a
command on a remote mode (over the air). See RV-M7
System Protocol manual for information on using this feature.
SHOW
Show/display an overview of the radio’s configuration.
None
-
BAND
Show/display the radio band. Displays the frequency band
that the radio is configured for, along with the upper and lower
frequency, in MHz. BB is the band code, lll is the lower
frequency in MHz, and uuu is the upper frequency in MHz.
None
BB, lll, uuu
CONFIG
Show Configuration. Display the settings of every parameter
in the unit. If the parameter is 1, then the help text is not
displayed, If the parameter is 2, the configuration is output in
None, 1, 2
-

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18
strictly the format used to program another unit.
** indicates values that are calibrated in the factory and are unit-specific. If the “Radio Type” is changed,
these will need to be re-calibrated.
5.6 Additional Personal-Locator Related Commands
The following commands are also implemented in the Atlas SM. Many of these
commands will appear in other Raveon products as well.

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19
Command
Command Description
Parameter
s
Factory
Default
ACK0
Clear all alerts. Will reset all alert flags
(both user-initiated and hardware
generated). An alert flag will re-appear if the
triggering condition has not ceased.
N/A
N/A
ACK1
Acknowledge user alert. Intended for
over-the-air commanding. Changes the alert
LED from orange to green. Returns NACK if
the unit is not in a wearer-initiated alert.
N/A
N/A
ACK2
Clear user alert states. Turns off the alert
LED if it is on and resets the user alert
sequence. Returns NACK if the unit is not in
a wearer-initiated alert or ACK state.
N/A
N/A
ALERT
The ALERT x command may be used to
read the alert condition and control the alert
feature via the serial port, or over-the air
using RPR commands. 0=none, 1= normal,
2=critical alert, 3=acknowledged.
Alert 2 will fail if the radio is configured
to have only one alert mode.
1-3
0
ALERTLEVELS
Number of Alert Levels. If set to 1, the
alert led will only ever turn Orange or Green
and only the “A” alert will ever be
transmitted.
If set to 1 while in Critical Alert (ALERT 2),
the alert level will downgrade to Alert.
1-2
2
ALERTCAN
Enable/disable local Alert cancellation. If
set to 1, alerts will not cancel when the alert
button is held. Alerts can only be cancelled
via the serial or RPR.
0 or 1
0
ATCM
RS-232 power saving mode. The serial
port will be in receive-only mode on startup
until a character is received.
0 or 1
0
ATTX
Transmit Channel Access Method.
Enables TDMA operation. 0=standard
carrier-sense. 1=TDMA.
1 - 6
1
ATHX
Singe-hop repeat. Only applicable if
repeater function is enabled. (ATXR = 1)
0 = repeater will repeat as programmed. 1
= will not repeat any packet that has already
been repeated.
0 or 1
0
ATMC
Set/Read Channel Access Method.
0=Standard carrier-sense CSMA. 1=Time-
Division Multiplex, where user-data is
transmitted in the unit’s TDMA slot.
0 or 1
0
GPS
GPS Operation Mode. Set the SM
version’s Operating mode.
1 –9
1
GPS&F
Reset all GPS (-SM version) parameters.
Set the SM version’s Operating mode to
GPS mode 4, and sets all GPS parameters
to factory defaults. It does not erase
frequency or other radio-related
parameters.
-
-
IDLERATE
IDLE TX Interval. Set the number of
seconds between position transmissions
when the unit is idle (has not moved more
than TRIGDX meters).
0-9999
seconds
10
KEYPHRASE
Privacy Security Key Code. Set the
privacy key for this device. It must be the
same key as used on all other Raveon
2-16 ASCII
characters.
“RAVEON”

Atlas PT Technical Manual
20
products in your system. It secures radio
transmissions from unauthorized reception.
Set it to 0 to disable security encryption of
data.
MAXBYTES
Read Max num of Bytes. This command
asks the modem for the maximum number
of bytes it can transmit in one TDMA slot. It
is read-only.
-
N/A
MANDOWN
Set/Read Mandown feature. Configure
the number of seconds that the unit may be
horizontal before triggering a man-down
alert. 0=disable.
0-9999
seconds
15
NMEAOUT
Enable/Disable NMEA messages.
Configures the M7 GX to output standard
NMEA messages (GGA, GLL, RMC) out its
serial port. NMEAOUT 0 disables the
messages. NMEAOUT 1 enables them.
0, 1
1
NMEAMASK
Set/Read NMEA message bit mask. The
NMEAMASK register contains configuration
bits to enable various NMEA standard
messages from the internal GPS receiver
that will be sent out the serial port. The
parameter is the decimal integer value of
the mask.
0-9999
258
(RMC, GLL,
GAA)
NMEARATE
Set/Read NMEA message rate. Set/read
the number f seconds between NMEA
messages from the internal local GPS.
1-99
5
OFF
Power off unit. Will immediately power
down the unit. After executing this
command, the only way to turn the unit back
on is to press the power button.
N/A
N/A
POWER
Power button disable. Set to 1 to disable
to ability to turn off the unit via the power
button. It can still be turned off by charging
on a Raveon Gang Charger, using the OFF
serial command or by using the power
button while plugged in to a standard
charger.
0 or 1
0
PREFIX
ID Prefix. Set an ID prefix. The prefix is 1-
8 characters that will be put in front of the ID
when reporting an ID as a waypoint name.
A dash means no prefix. Default is a capitol
letter V.
1-8 ASCII
characters
Set it to “0”
for no prefix.
V
PROX
Proximity Alert. Set a minimum proximity
distance. When any ATLAS PT with
properly configured ID codes and
KEYPHRASE comes within this many
meters of this unit, a proximity warning is
triggered. The report interval will be at the
TXRATE setting, and report the proximity
warning at least 8 times or until the distance
between the two Atlas SMsincreases
beyond the PROX distance.
0-9999
0=feature
disabled
Disabled (0)
QSIZE
Number of queued WMX messages. See
the WMX Protocol specification for more
information.
N/A
N/A
REPEAT
Enable -SM Repeating. This simple
command enables the repeater feature of
the Atlas SM, and configures it for standard
operation. The user may alternately use the
ATX and ATRX commands, but they are
0 off
1 configure
repeater.
0