Title: NAT NPX136D
1NAT NPX136D
2Cover Slide
P25 Aviation Radio Training, Introduction to the
NPX136D-070 P25 Digital Airborne Radio Presented
by National Interagency Fire Center, Edmo
Distributors Inc. and Northern Airborne
Technology Ltd. March 10-14, 2008 Oxford Suites
Hotel, Boise, Idaho
3Introduction
VHF P25, Panel Mount Transceiver
The NPX136D panel mount P25 VHF transceiver is a
stand-alone radio designed for aircraft and
operated by a single mission user. It provides
all the features needed to satisfy communications
within the VHF high band.
S/W Ver X.XX Checking Modules
4Introduction
VHF P25, Panel Mount Transceiver
S/W Ver X.XX Checking Modules
Introduction to the NPX136D P25 Digital Airborne
RadioNAT will be providing a 3-4 hour session on
features, operation, functionality, programming
and maintenance of the companys NPX136D P25
Digital Airborne Radio. The lightweight and
compact design is a perfect fit for the space and
weight restricted cockpit of helicopters and
light fixed-wing aircraft. Operational modes for
the radio include Analog Simplex/Semi-Duplex and
Digital P25. The NPX136D has been tested and
accepted by NIFC/USFS as a fire approved radio.
5Introduction (Cont)
Intended Audience
People familiar with VHF FM Radio operation in an
aircraft and with an understanding of the terms
used with the digital modulation of the P25
Common Air Interface
Training Schedule
1330 Slide Show Presentation. (20
minutes) 1400 Radio Demonstration. (10
minutes) 1410 Hands on operation of (1-3 hours,
depending on group size) - Front Panel
Controls - Main Frequency Editing - Guard
Frequency Editing - Maintenance - PC
Application Installation and Operation - Channel
Loading into Radio
6Overview
Aircraft Operation Block Diagram
7Overview
Equipment Block Diagram
ANTENNA
8Features
- Analog FM 25 kHz, 12.5 kHz and digital C4FM
12.5 kHz channels. - Two channel synthesized
guard receiver - Multiple scan modes - Agile
operation - Encryption capable - Modular
construction - DTMF generation - Dzus panel
mount. 2 5/8 in. height. - Control operation
similar to other products from NAT
9Specifications
Power 28 Vdc ( Transmit 2.6 A max.) Lights 28
Vdc, 300 mA max. Frequency Range 136.0000 -
173.9975 MHz Operating Modes Project 25 and
Analog Simplex or Semi-Duplex Channels 255 max.
(main) (Zones 16 max.)Plus two guard
channels Analogue Tones CTCSS - 42 tones from
67.0 to 254.8 HzCDCSS - 83 data patterns Remote
Interface RS232C Serial Data Bus RF Impedance 50
ohms Channel Increments 2.5 / 6.25 kHz Channel
Bandwidth 12.5 / 25 kHz Scan Capability 16
channels max. 1 home, 1 priority, 14 list, 8
chan/sec Audio Output Power 100 mW (600
ohms) Guard Audio Output Power, minimum 10 mW
(adjustable)
10Specifications (Cont)
Carrier Output Power 1 or 10 W Time-out
Timer 30-300 s (Factory Set to 60 s) Duty
Cycle 20 (1 min Tx, 4 min Rx.) VSWR 201 (30 sec
duration - undamaged) Rated Deviation ?5.0 kHz
(25 kHz BW)?2.5 kHz (12.5 kHz BW) Audio Input
Sensitivity 100 mV rms (60 of rated
deviation) Sidetone Audio Output Power25 mW
(Adjustable)
Refer to Install and Operation Manual,
Description 1.4 for more details.
11Operation, Power On
To turn on the radio, rotate the main (MN) knob
clockwise past the OFF detent.
Refer to Operation Manual section 3.4.2
12Operation, Display Layout
Tone/SquelchFlag
Channel Name
Modulation Type
Scan Flag
001Abcd23Efg WSC T173.9975 067 LO
Channel Number
TX Power
Tone/Squelch Number
Display Type
Frequency
Refer to Operation Manual section 3.5
13Operation, Controls/Annunciators
Main RX/TX Annunciator
Main On/Off/Volume
Scan- Normal-Guard Transmit
001ABCDEFGHI WSC R173.9975 067
Guard Channel Select
Guard Channel RX/TX Annunciator
Guard Volume
Display Switch Channel Switch Squelch/Help
Select Number Pushbuttons
Refer to Operation Manual section 3.4.3
14Operation, Change Channels
002Forestry NSC R173.9975 067
15Operation, Squelch Disable
002Forestry NSC MAIN SQ DISABLED
16Operation, Guard Transmit
GD1Guard1 N R168.6250
17Operation, Menus
Settings Menu DsplBrt Lt On20
Menu Keys
Refer to Operation Manual section 3.4.3.15
18Operation, Menus (Cont)
Menu Structure Settings Menu Display
Menu Channel Menu Edit Main Edit Guard Edit
Zone Edit Scan Maintenance Menu
Refer to Operation Manual section 3.6-3.8
19Operation, Help for Menus
HELP text scrolls past
20Channel Serial Load from PC
Using a personal computer with a RS232 serial
data connector system, channel data can be
uploaded to, and downloaded from the NPX136D.
The NUDP NPX136D Application runs on a PC and can
be used to enter, edit and upload system and
channel data to the NPX136D
21End of Presentation
22About NAT
Northern Airborne Technology Ltd. (NAT) is a
leading manufacturer of specialized aircraft
communication equipment. Products include Audio
Management Systems, FM Radios, Intercoms, PA
Loudhailers, Airborne Data Management Systems,
Satellite Communication Systems, and Aural
Warning Generators. OEMs such as Bell,
Eurocopter, MD Helicopters, Raytheon and Rockwell
have NAT products installed as standard equipment
on numerous production aircraft. Founded in
Prince George and now located in beautiful
Kelowna BC Canada, Northern Airborne Technology
Ltd. (NAT) has been a leading designer and
manufacturer of specialized aircraft
communication equipment since 1979. With the
restructuring of Cobham plc in 2005, NAT is now
within the Cobham Avionics Surveillance
division. Continuing to develop avionics and
electronic products in response to industry
demands, NAT is proud that many of its products
have earned recognition as Industry Standard.
23NPX136D Installation and Operation Manual
See www.fs.fed.us/fire/niicd/documents.html
24NPX136D ProgrammingFlow Chart
See www.fs.fed.us/fire/niicd/documents.html
25NPX136D Cheat Sheet
See www.fs.fed.us/fire/niicd/documents.html