Raveon RV-M7-UC-PL User manual

Company Confidential 1 BioRapids 100608
Raveon Technologies
A T L A S PL
U H F P e rs on a l Locato r
T e c h n ic a l M a n u a l
Version C1
February 011
RV-M7-UC-PL
Raveon Technologies Corporation
990 Park Center Drive, Suite C
Vista, CA 92081
www.ravtrack.com

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Table of Contents
1. General In ormation about the RV-M7........................................................... 4
1.1. Congratulations!........................................................................................................................... 4
1.2. NOTICE ....................................................................................................................................... 4
1.3. Sa ety / Warning In ormation ....................................................................................................... 4
1.4. Lithium-Ion Battery Notice:........................................................................................................... 4
1.5. Sa ety Training in ormation: ......................................................................................................... 5
1.6. FCC Compliance In ormation....................................................................................................... 6
2. Overview ....................................................................................................... 7
2.1. Features....................................................................................................................................... 7
3. Speci ications ................................................................................................ 9
3.1. General ........................................................................................................................................ 9
3.2. Transmitter................................................................................................................................... 9
3.3. Receiver....................................................................................................................................... 9
3.4. Battery and Charger................................................................................................................... 10
3.5. User Input and Output Signals................................................................................................... 10
3.6. GPS and Transponder Speci ications ........................................................................................ 10
3.7. Model Numbers.......................................................................................................................... 10
4. Electrical Inputs and Outputs....................................................................... 12
4.1. Buttons....................................................................................................................................... 12
4.2. LEDs .......................................................................................................................................... 12
4.3. DC Power .................................................................................................................................. 13
4.4. Serial I/O Connector .................................................................................................................. 13
4.5. I/O Connector Type.................................................................................................................... 13
4.6. I/O Cable Options ...................................................................................................................... 14
5. Con iguring the ATLAS PL .......................................................................... 16
5.1. Overview.................................................................................................................................... 16
5.2. Command Mode ........................................................................................................................ 16
5.3. Setting a Parameter................................................................................................................... 17
5.4. Reading a Parameter................................................................................................................. 17
5.5. Con iguration Commands .......................................................................................................... 19
5.6. Additional Personal-Locator Related Commands ...................................................................... 22
5.7. Factory –PL De ault Settings ..................................................................................................... 24
6. Setup and Initial Con iguration .................................................................... 25
6.1. Position Transmission................................................................................................................ 27
6.2. Set the Transmission Report rate .............................................................................................. 27
6.3. Battery Li e................................................................................................................................. 29
6.4. Data Transmission..................................................................................................................... 29
6.5. Data Reception .......................................................................................................................... 29
Serial Port Data ................................................................................................................................... 29
GPS Position and Status ..................................................................................................................... 29
6.6. Device Addressing..................................................................................................................... 30
Security Key ........................................................................................................................................ 30
ID Addressing Basics .......................................................................................................................... 31
Time Slots............................................................................................................................................ 31
7. Operation .................................................................................................... 33
8. FCC Licensing In ormation.......................................................................... 34
9. Technical In ormation .................................................................................. 35
10. RV-M7 Diagnostic Provisions .................................................................. 35
10.1. Status and Statistics Command................................................................................................. 35
10.2. ATST Command ........................................................................................................................ 36
10.3. ATST1 Command (GPS Statistics) ........................................................................................... 36
10.4. ATST3 Command ...................................................................................................................... 37
10.5. ATST4 Command ...................................................................................................................... 37

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11. Troubleshooting....................................................................................... 38
Symptom: Unit will not receive............................................................................................................ 38
Symptom: Unit will not transmit .......................................................................................................... 38
Symptom: Receive light blinks, but no data is received...................................................................... 38
Symptom: Long delay be ore transmitting .......................................................................................... 38
Symptom: Cannot enter Command Mode .......................................................................................... 39
Symptom: Repeater will not repeat..................................................................................................... 39
Symptom: Transmits position, but no data. ........................................................................................ 39
12. Mechanical .............................................................................................. 40
13. ATLAS PL Messages............................................................................... 40
13.1. $GPTLL Target Lat-Lon ............................................................................................................. 41
13.2. $GPGSV Satellites In View....................................................................................................... 41
13.3. $GPWPL Waypoint Location..................................................................................................... 42
13.4. $PRAVE Raveon Proprietary Message, Location-Status.......................................................... 43

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1. General Information a out the RV-M7
1.1. Congratulations!
Congratulations on your purchase o a RV-M7-PL GPS transponder – the most advance
UHF GPS radio available today.
Please take a ew minutes to read this manual care ully. The in ormation presented here
will allow you to derive maximum per ormance rom your radio modem. A ter reading it,
keep the manual handy or quick re erence, in case questions arise later on.
1.2. NOTICE
There are no user-serviceable points inside this transceiver. All service work must be
re erred to your Authorized Service Center or Raveon Technologies Service Department.
1.3. Safety / Warning Information
Blasting Caps and Blasting Areas
To avoid possible inter erence with blasting operations, turn o 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 o your radio prior to entering any area with a potentially explosive atmosphere. Do
not install this product or 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 ire resulting in bodily injury or even death.
Note:
The areas with potentially explosive atmospheres re erred to above include ueling areas such as
below decks on boats, uel or chemical trans er or storage acilities, 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 o your vehicle engine. Areas with potentially explosive atmospheres are o ten but not always posted.
1.4. Lithium-Ion Battery Notice:
This product contains two Lithium Ion battery cells.
US Postal regulations, Federal Regulations, and other common carriers restrict the
shipment o products containing Lithium-Ion batteries. Consult your carrier be ore shipping
this product.
When sending the product by US mail, it should be mailed using sur ace carriers, and the
outside o the shipping container should have a notice:
Package Contains
Primary Lithium Batteries
Never mail or ship damaged batteries.
When shipping this product, properly label the shipping container per current regulations.
Regulations regarding shipment o products containing LiIon batteries changes requently,
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.

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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 only where the radio operator must have the
knowledge to control the exposure conditions o its passengers and bystanders by
maintaining the minimum separation distance o ollowing range. Failure to observe these
restrictions may result in exceeding the FCC RF exposure limits.

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1.6. FCC Compliance Information
This device complies with part 15 o the FCC Rules. Operation is subject to the ollowing
two conditions: (1) This device may not cause harm ul inter erence, and (2) this device
must accept any inter erence received, including inter erence that may cause undesired
operation.
Changes or modi ications not expressly approved by the party responsible or compliance
could void the user’s authority to operate the equipment.
NOTE: The manu acturer is not responsible or any radio or TV inter erence caused by
unauthorized modi ications to this equipment. Such modi ications could void the user’s
authority to operate the equipment.
This product also complies with FCC Part 22, 90 and Part 95 Subpart J o the FCC rules
and regulations.
The Federal Communications Commission (FCC), with its action in ET Docket 93-62, has
adopted a sa ety standard or human exposure to Radio Frequency (RF) electromagnetic
energy emitted by FCC-certi ied equipment. This product meets the uncontrolled
environmental limits as stated in OET-65C (01-01) when operated in accordance with the
operation guidelines described in this manual. Proper operation o this radio device
according to the instructions in this publication will result in user exposure substantially
below the FCC recommended limits.

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2. Overview
The ATLAS PL GPS transponder is a rugged high-speed UHF data modem with a built-in
12-channel GPS receiver. It has ½ to 5 watts o RF power output, and operates as both a
GPS transponder or tracking, and a radio modem or sending and receiving data.
The ATLAS PL is con igured or operation as a Personal Locator. All Raveon GPS
tracking products are con igured using the GPS x command, and the ATLAS PL is GPS
mode 8 (GPS 8). It comes con igured rom the actory this way.
Personal Locator: (GPS 8) The actory de ault con iguration or this product. Receiver is
always o , serial baud rate is 38400, and battery-saving eatures are
enabled.
As well as sending position and status, the ATLAS PL also has a radio modem with
integrated RS232/422/485 inter ace.
For privacy and security, over-the air encryption is standard on every ATLAS PL radio. For
network versatility, the ATLAS PL incorporates a 16-bit identi ication code, allowing up to
65,000 objects to be identi ied in one system. For wide-area coverage, all ATLAS PL
transponders may be set to store-and- orward messages rom other ATLAS PL
transponders.
2.1. Features
• Transmissions include ID, position, speed, heading, voltage, temperature, input/output status, UTC time, and
proximity.
• Built-in Li-Ion battery and battery chager.
• 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.

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• High-speed over the air data rates. 19 00bps in 5kHz channel, 9600bps in 1 .5kHz.
• Built-in TDMA channel access allowing truly real-time tracking ( 00 transmission in 10 seconds)
• Very low current draw. As low as 5mA average.
• 16 bit addressing for up to 65,5 5 different unique IDs per channel.
• Programmable proximity alert ( 1-9999 meters) and programmable position report rate (1-9999 seconds).

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3. Specifications
3.1. General
All measurements made per TIA-603-B
Frequency: Model RV-PL-UC........................................................................................... 450 – 480MHz
Model RV-PL-UB (export Only) ..................................................................... 419 – 440MHz
Model RV-PL-UA (export only) ...................................................................... 403 – 434MHz
Size ..................................................................................................... 148mm X 68mm X 32mm
Weight ................................................................................................................. 6 ounces (0.17kg)
Radio current draw, receiving, over-the-air rates < 4800bps ............................................................... <115mA
Current draw when transmitting data ........................................................ <2.3A typical, 1.2A typical at 2watts
............................................................................................................ <2.8A 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 (programmable)..........................................................4800, 8000, 9600
Wide-Band Over-the-air baud rates (programmable).........................................................9600, 14400, 19200
Note: Contact the actory or enhanced-sensitivity applications (1200 & 2400 baud)
Internal data bu ers (transmit and receive) ................................................................................... >2000 bytes
Operating temperature range.....................................................................................................-10ºC to +60ºC
Storage temperature range....................................................................................................... -20ºC to +35ºC
Power on time to operational ............................................................................................................... <500mS
Internal use ..................................................................................................................................3A Mini
FCC ID Model RV-M7-UC ........................................................................................SRS-RV-M7-UC
All other models or export or OEM use
3.2. Transmitter
RF power output (programmable) .................................................................................................... ½ - 5 watts
Note: RF power output will vary rom 3-5 watts at ull power, depending upon battery voltage
Maximum duty cycle .................................................................................................................................. 25%
Maximum transmit requency deviation..............................................................± 2.25kHz (12.5kHz channels)
.....................................................................................................± 3.0kHz (25Hz channels)
RF Bandwidth .................................................................................................................... 20MHz, no-tune
Occupied bandwidth ...............................................................................................11 kHz (12.5kHz channels)
....................................................................................................15.3kHz (25kHz channels)
TX spurious outputs ............................................................................................................................ < -70dBc
Emissions designator..........................................................................................11K0F1D (12.5kHz channels)
..................................................................................................15K3F1D (25kHz channels)
3.3. Receiver
Typical RX sensitivity (1% BER)
19200bps, 4-level, 25kHz channel ......................................................................... -107dBm
9600bps, 4-level, 12.5kHz channel ........................................................................ -108dBm
4800bps, 2-level..................................................................................................... -116dBm
No-tune bandwidth................................................................................................................................. 20MHz
RX selectivity .........................................................................................-50dB (12.5kHz channel spacing)
............................................................................................-65dB (25kHz channel spacing)
Spurious and image rejection................................................................................................................... -75dB

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RX intermodulation rejection.................................................................................................................... -70dB
Conducted spurious emissions ........................................................................................................... <-53dBm
3.4. Battery and Charger
DC input voltage ....................................................................................................................... 11.5 - 15V DC
Current draw when charging battery ........................................................................................................ <1.5A
Battery Capacity .............................................................................................................................. 2700mAh
Capacity at 0C ...................................................................................................................................... 80%
Capacity at -10C ...................................................................................................................................... 50%
Charge/discharge cycles or >70% capacity ................................................................................................500
Charge time ................................................................................................................................<4 hours
Sel -discharge rate ................................................................................................................................... 1mA
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
Modem handshake signals ........................................................................................................................none
Transceiver RF ......................................................................................................................... 50 ohm SMA
GPS Antenna .............................................................................................................. Ampli ied Geo-Helix
GPS Antenna connector option........................................................ SMA 50 ohm, 3.3V or ampli ied antenna
Power Connector ...............................................................................................................Hirose HR30 series
3.6. GPS and Transponder Specifications
Number o 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
3.7. Model Num ers
The model number o the RV-M7 modem identi ies its operating requency band, r power
level, and bandwidth. The models are:
RV-PL-
ab-c where:
a = The band (V=136-174MHz, U=406-512MHz)
b = Sub band (A,B,C,…)
c = Channel Spacing (blank=12.5kHz, W=25kHz)
Other requency bands, power levels, and channel spacing are available. Contact the actory
or your speci ic needs.
Sub-Bands

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Su -Band Letter VHF (RV-M7-V…) UHF (RV-M7-U…)
A 13 -150MHz 403-434MHz
B 150-174MHz 419-440MHz
C 450-480MHz

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4. Electrical Inputs and Outputs
The top o the ATLAS PL modem has these eatures:
1. RF connector for U F antenna
2. Power LED
3. Status LED (Receive data = green, TX = red)
4. Alert LED
5. Alert Button
4.1. Buttons
Power Press this button to turn the power on. Press and hold it or two seconds to turn
the power o .
Alert Press this button to generate an alert. Press and hold it or two seconds to
generate a Critical Alert. Press and hold it or more than 5 seconds to clear all alert
conditions.
4.2. LEDs
The status LED visually show the current status o the radio.
Status LED This LED blinks green upon the reception o data or RF carrier. I the GPS is
not locked, its will ast-blink orange twice-per-second.
Power LED This LED does a short blink, once every two seconds, indicating to the user
that the power to the modem is ON and the modem is working. I the TXRATE (the rate at
which the unit reports its position), is > 60 seconds, the internal power-management may
turn the radio circuit completely o . In this case, the Power Led will blink once every 4
seconds. When the unit transmits its position, it will also blink green.
The ollowing table summarizes the power LED indications.

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Charger
plugged in
Battery
Charged
Battery elow
30%
Battery
elow 10%
Over/Under
temperature
Unit is OFF No
Not lit Not lit Not lit Not lit
Unit is OFF YES
Steady green Steady orange Steady
orange
Not lit
Unit is ON No
Green blink-
2 sec rate
Orange blink -
2 sec rate
Orange blink-
0.5 sec rate
Steady red
Unit is ON YES
Green blink-
2 sec rate
Green blink- 2
sec rate
Steady
orange
Steady red
Alert LED This LED turns yellow when a normal Alert condition is being transmitted. It
ast-blinks (twice-per-second) when a Critical Alert is being transmitted. It changes to slow-
green blink twice-per-second when the alert has been acknowledged over-the-air. Press
and hold the Alert button or 5 seconds to clear the alert which will turn the Alert LED o .
4.3. DC Power
DC power or the PL is connected to the 6-pin I/O jack on the bottom-side o the unit. Use
the supplied cable to connect the DC power. The red wire is positive (+) and the black
wire is negative (-).
4.4. Serial I/O Connector
The 6-pin I/O connector has the ollowing pin-out:
Number Function Notes
1 DSR
3 TXD
Data into the PL. Also used as digital input IN2 or
exception reporting. GND or loating or a 0, >3V
or digital 1. I enabled or 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.
2 RXD
Serial data out o the PL.
4 Switched B+ 5-8.5V output, 200mA max current
draw.
5 Ground System ground
6 Charger Input 10-15VDC input or charging battery.
4.5. I/O Connector Type
The I/O connector is a Hirose HR30 series. Circular waterproo . Used or RS232
connection and or the DC input or the charger.

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Front view of male pins on ATLAS PL
4.6. I/O Ca le Options
There are 3 basic type o inter ace cables available or the ATLAS PL. The are shown
below.

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5. Configuring the ATLAS PL
5.1. Overview
The RS232 serial port on the unit is used to send and receive data over the air, as
well as to con igure the RF modem. In normal operation, the user sends serial data
into the TxD pin o the user port, and this data is transmitted over the air. Received
data rom another RF modem is output to the user via the RxD pin o the user port.
This is the de ault operating condition o the RF modem. No special characters,
hardware control lines, or timing is required to operate the RV-M7 modem.
I the ATLAS PL is con igured as a Personal Locator (GPS 8 mode), the serial port
need not be connected to anything. The internal GPS will initiate the transmissions
o position and status.
There is also a “Command Mode” used to program and con igure the ATLAS PL.
In the Command Mode, the ATLAS PL modem accepts commands via the serial
port TxD pin. The commands can be used to change certain internal parameters o
the ATLAS PL modem as well as to read-out the current con iguration and
diagnostic statistics.
5.2. Command Mode
The ATLAS PL modem may be put into a “Command Mode”, by entering a
sequence o three plus characters (+++). To keep the RV-M7 modem rom
unintentionally entering the Command Mode because o the +++ pattern occurring
in a stream o data entering the modem, there must be a pause in the data stream
be ore the +++ as well as a pause a ter the +++ is sent. I either pause is missing,
the modem will not enter the command mode.

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Using serial communications so tware such as HypterTerminal, send the 3-
character command sequence “+++”.
When the ATLAS PL modem irst enters the Command Mode, it sends the phrase
“RV-M7” out it serial port, and then an “OK” sequence. The “OK” sequence is a
sequence o 4 characters:
“O”, “K”, <CR>, and <LF> characters
(<CR> = ASCII 0D, <LF> = ASCII 0A)
Note that the internal power-management unction may turn the product o to save
power. The LEDs on the unit will continue to blink, but all internal circuits are o .
This only happens i the TXRATE is greater than 60 seconds. The Power LED will
blink a a 4-second rate i the radio is o . When the radio powers on, it will send an
“OK”.
To ensure the internal radio is on, and able to be put into the Command Mode, you
may turn the unit o , and then back on.
5.3. Setting a Parameter
To set a parameter in the ATLAS PL 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 o the ATLAS
PL modem to 1234, enter the ollowing command:
ATDT 1234 <CR>.
Once a Parameter is changed, the modem will begin using the new parameter. I
the new parameter was saved to non-volatile memory using the ATSV command,
then the new parameter will be used as well the next time the RV-M7 modem is
powered on. I a parameter is changed, but the ATSV command is not issued, the
new parameter is used to operate the modem, but when power is turned o and
back on, upon powering up, the RV-M7 will revert back to the previously saved
parameter value. I parametric changes are to be permanent, always issue the
ATSV command a ter all parameter changes have been made.
Note: Radios with irmware version B10 or higher do not require the ATSV
command. B10 and higher radios automatically save the parameter to EEPROM
whenever the parameter is changed.
5.4. Reading a Parameter
To read the value o a particular setting, issue the command with no parameter.
The modem will return the value ollowed by an “OK”.
For example, i the user enters the command to read the RV-M7’s destination
address and its address was 1234, the user would issue the ollowing command:
ATDT<cr>
and the modem will respond with:
1234 <CR> <LF>
OK <CR> <LF>

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To get on-line help with a command, enter the command and put a question mark
in or the parameter. For example, to see what the ATDT command is used or,
type ATDT ?. The modem will respond by listing a brie description o the
command. To see a list o all commands, type ELP.

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5.5. Configuration Commands
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.
I a PC’s serial baud rate is set higher than the ixed over-the-
air baud rate o 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
ATCH
Configure Hardware Flow Control – Enable (1) or disable
(0) flow control. When enabled, the modem will monitor the
RTS line, and if it is negated, stop sending data o t the serial
port. If disabled, the modem will ignore the state of RTS, and
always send o t characters.
1 = Enable
0 = Disable 0
ATDT
Destination Address to call– Sets address o the modem to
send data to. Note, in the ATLAS PL this parameter is entered
in decimal ormat. Each digit may be a 0,1,2,3,4,5,6,7,8, or 9.
Do not use A,B,C,D,E,or an F.
Range: 0-9999 0001
ATF
Display frequencies – Display all of the freq encies
programmed into all of the channel memories. N/A
ATFT
Transmit Frequency – Program the transmit freq ency for
this channel. Enter in Hz or in MHz. The freq ency will
a tomatically be saved in non-volatile memory (flash) for this
c rrent channel n mber.
Range: See prod ct data
sheet. For MURS prod cts,
freq ency cannot be changed.
See
prod ct
data sheet.
ATFR
Receive Frequency – Program the receive freq ency for this
channel. Enter in Hz or MHz. The freq ency will
a tomatically be saved in non-volatile memory (flash) for this
c rrent channel n mber.
Range: See prod ct data
sheet. For MURS prod cts,
freq ency cannot be changed.
See
prod ct
data sheet.
ATFX
TX and RX Frequency – Program the receive and transmit
freq ency for this channel. Enter in Hz or MHz. Same as
iss ing an ATFR and an ATFT command. The freq ency will
a tomatically be saved in non-volatile memory (flash) for this
c rrent channel n mber.
Range: See prod ct data
sheet. N/A
AT P
Group Number – Set or read the unit’s Group Number. 0
means this eature is not used. I 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
inter erence between multiple sets o modules operating in the
same vicinity.
Range: 1 - 6 1
ATIC
Read Current Draw Read the current draw in mA. Accuracy
is within 20% o actual current draw. Range: 0-9999 N/A
ATMK
Address Mask – Con igures 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 – Con igures the individual; address or 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 ormat. Settings 0-4 trans er 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 o stop bits. Range: 1-2 1

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ATPO
RF Power Output. Set or show the RF power output setting.
Value is in percent, rom 0% to 100%. Use and RF wattmeter
to con irm the power setting, and adjust the % accordingly to
obtain the desired RF power level.
0-110 100
ATPC
Read TX Current. Read the device’s current draw during the
last transmission, in mA. 0-9999 -
ATR2
Over-The-Air bit rate - This is the data rate the radio ses
to send data over the air. All RF modems in the network
must use the same over-the-air baud rate. Refer to
section 9 for information on how to set the OTA ba d rate.
Range:
0 = 800 5 = 9600 2L
1 = 1200 6 = 19200 4L
2 = 2400 7 = 5142 2L
3 = 4800 8 = 9600 4L
4 = 8000 4L 9 = 2000 2L
10=14.4k 4L
3
ATRQ
Receiver Signal Level – Reads the Receiver Signal
strength this instant, and ret rns the level in dBm. Range: -40 to –130 (dBm) -
ATRS
RSSI (Receive Signal Strength Indicator) – Ret rns the
signal level of last received packet. The reading is in dBm.
Usable for relative comparison of signals, b t absol te val e
is within10dB at -90dBm.
No parameters. Ret rns a
n mber : -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 req ests, Pings, and
over-the-air commands. Defa lt is OFF (1).
0= Remote Access on
1=Remote Access off 1
ATSL
Serial Number – Reads and returns a unique serial number
or thjs unit.
Read Only
1 - 999999999
unique
ATSH
Show – Display the con iguration o the modem. This will
return a page o ASCII characters, showing the main
con iguration parameters.
none None
ATSM
Power Savings Options – When set to 0, the internal radio
receiver will be ON. When set to 4 (defa lt for the ATLAS
PL), the internal radio receiver will always be OFF and the
radio will not receive over-the-air messages.
Range: 0, 1, 2 4
(RX OFF)
ATST
Statistics – Show the unit’s operational statistics. See
Statistics section o user manual. 0, 1,2, 3, 4, or 5 None
ATTE
Read product temperature – Read the internal temperature
o the unit’s circuit board in degrees Celsius. -40 to +99 -
ATTT
Max Packet Size – Set the maximum number o 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 irmware 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- orward data to/ rom. n = 1, 2, 3, or
4 designating the entry in the table to show or edit..
Four parameters
aaaa bbbb cccc dddd 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 o
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 actory de ault values. This
command will not erase the calibration values. none
PIN
Ping another modem. Format is PING xxxx, where xxxx is
the ID o the modem to ping. I remote access is enabled on
xxxx, it will respond.
XXXX -