Cover 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
Introduction 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
Introduction 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 company’s 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.
Introduction (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 13:30 Slide Show Presentation. (~20 minutes) 14:00 Radio Demonstration. (~10 minutes) 14:10 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
Overview Aircraft Operation Block Diagram
Overview Equipment Block Diagram ANTENNA
Features - 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
Specifications 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)
Specifications (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 20:1 (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 Power:25 mW (Adjustable) Refer to Install and Operation Manual, Description §1.4 for more details.
Operation, 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
Operation, Display Layout Tone/SquelchFlag Channel Name Modulation Type Scan Flag 001=Abcd23Efg WSC T:173.9975 067 LO Channel Number TX Power Tone/Squelch Number Display Type Frequency Refer to Operation Manual section 3.5
Operation, Controls/Annunciators Main RX/TX Annunciator Main On/Off/Volume Scan- Normal-Guard Transmit 001=ABCDEFGHI WSC R:173.9975 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
Operation, Change Channels 002=Forestry NSC R:173.9975 067
Operation, Squelch Disable 002=Forestry NSC MAIN SQ DISABLED
Operation, Guard Transmit GD1=Guard1 N R:168.6250
Operation, Menus Settings Menu DsplBrt Lt On:20 Menu Keys Refer to Operation Manual section 220.127.116.11
Operation, 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
Operation, Help for Menus HELP text scrolls past
Channel 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
About 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’.
NPX136D Installation and Operation Manual See www.fs.fed.us/fire/niicd/documents.html
NPX136D ProgrammingFlow Chart See www.fs.fed.us/fire/niicd/documents.html
NPX136D Cheat Sheet See www.fs.fed.us/fire/niicd/documents.html