AEM NTX VHF-FM SM28 Installation And Operation Manual Download Page 1 | Manualshive

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SPECIAL NOTICE

This product is now licensed to Anodyne Electronics Manufacturing (AEM) from Northern
Airborne Technology (NAT). AEM is responsible for all matters related to this product, including
sales, support and repair services.

Please note the transition to convert product manuals and supporting documentation is an
ongoing process and is being addressed on an ‘as needed’ basis.

All references to NAT product part numbers (and associated images) are equivalent to AEM
product part numbers.

Contact info:

Anodyne Electronics Manufacturing Corp.

#15-1925 Kirschner Road

Kelowna B.C. Canada

V1Y 4N7

Email:

[email protected]

Toll Free:

1-888-763-1088

Phone: 1-250-763-1088

Fax: 1-250-763-1089

www.aem-corp.com

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Summary of Contents for NTX VHF-FM SM28

Page 1: ...sition to convert product manuals and supporting documentation is an ongoing process and is being addressed on an as needed basis All references to NAT product part numbers and associated images are equivalent to AEM product part numbers Contact info Anodyne Electronics Manufacturing Corp 15 1925 Kirschner Road Kelowna B C Canada V1Y 4N7 Email support aem corp com Toll Free 1 888 763 1088 Phone 1 ...

Page 2: ...ANUAL REV 5 00 May 9 2012 Anodyne Electronics Manufacturing Corp 15 1925 Kirschner Road Kelowna BC Canada V1Y 4N7 Telephone 250 763 1088 Facsimile 250 763 1089 Website www aem corp com 2012 Anodyne Electronics Manufacturing Corp AEM All Rights Reserved SM28 NTX VHF FM Series Remote Mount Transceivers ...

Page 3: ...ft on a Non interference basis Installation should be performed using standard procedures applicable to aircraft radio installation to ensure that the newly installed equipment does not interfere with any other equipment in the aircraft This device complies with Part 15 of the FCC Rules Operation is subject to the condition that this device does not cause harmful interference COPYRIGHT STATEMENT 2...

Page 4: ...allation and operation manual is controlled by the revision shown on the title page The status of each section is controlled by revision shown in the footer of each page All revisions affecting sections of this manual have been incorporated AEM MANUAL REVISIONS Section Revision Number Revision Description Date All Rev 5 00 Updated drawings and template May 9 2012 Tony Pearson Designer May 9 2012 L...

Page 5: ... 3 Transmitter 1 3 1 4 4 Physical Specifications 1 3 1 4 5 Environmental Specifications 1 3 1 5 VHF FM Radio Spurious Frequencies 1 4 1 6 Unit Nomenclature 1 4 2 0 Installation 2 1 Introduction 2 1 2 2 Unpacking and Inspection 2 1 2 2 1 Warranty 2 1 2 3 Installation Procedures 2 1 2 3 1 Warnings 2 1 2 3 2 Cautions 2 1 2 3 3 Notes 2 1 2 3 4 Cabling and Wiring 2 2 2 3 5 Antennas 2 3 2 3 6 Mechanical...

Page 6: ... of control heads provide control for the transceivers The NTX066 range is 66 0000 to 87 9975 MHz and the NTX138 VHF FM models cover a frequency range of 138 0000 173 9975 MHz both in 2 5 kHz increments A maximum of 200 channels are available depending on the type of control head used Depending on the model selected the channels can include a receive frequency and CTCSS or DCS tone transmit freque...

Page 7: ... equivalent 150 Ω balanced unbalanced Scrambling 3 1 kHz Voice Inversion Optional on NTX138 and NTX066 models Frequency range NTX066 models 66 0 MHz to 87 9975 MHz NTX138 models 138 000 MHz to 173 9975 MHz Tone Capability 38 EIA standard CTCSS tones 70 DCS tones Operating mode F3E simplex or semi duplex 1 4 2 Receiver Chanel increments 2 5 kHz Audio output NTX066 and NTX138 models 100 mW into 600 ...

Page 8: ... 65 dB Frequency stability 0 0003 FM noise 45 dB Distortion 5 nominal 10 max 1 4 4 Physical Specifications Height 2 21 56 1 mm Overall length 11 38 289 1 mm Length without connector 10 67 271 1 mm Width 5 23 271 2 mm Weight 4 0 lbs 1 8 kg Mounting Custom AEM ATR tray NTX VT1 Connector type Male filtered 25 pin D subminiature with Positronics V5 locking tabs Antenna Connector Bulkhead female BNC 1 ...

Page 9: ... VHF FM transceiver 200 channel memory 38 CTCSS tones 70 DCS tones 1 W or 10 W selectable List Priority or List Priority scanning Optional Voice Inversion Scrambling NTX138 000 138 MHz 174 MHz VHF FM transceiver 200 channel memory 38 CTCSS tones 70 DCS tones 1 W or 10 W selectable List Priority or List Priority scanning Optional Voice Inversion Scrambling NTX138 050 138 MHz 174 MHz VHF FM transcei...

Page 10: ...ly to your supplier 2 2 1 Warranty All Anodyne Electronics Manufacturing Corp AEM products are warranted for 2 years See the website www aem corp com warranty for complete details 2 3 Installation Procedures 2 3 1 Warnings Do not bundle any lines from this unit with transmitter coax lines Do not bundle any logic audio or DC power lines from this unit with 400 Hz synchro wiring or AC power lines Do...

Page 11: ...rate breaker or fuse not connected to any other device NAT recommends a 5 A fuse or breaker 28 Vdc Source Coaxial cable should be in accordance with MIL C 17 unless otherwise specified Do not use coax with PVC insulation NAT recommends Teflon dielectric cable at or above VHF frequencies or where cable runs exceed 8 feet Note that at VHF frequencies cable losses due to long cable runs and tight ben...

Page 12: ...m mounted Surround any blade or whip antenna with a ground plane surface metallic grounded material having a radius equal to or greater than the height of the antenna Poor grounding will result in severe reflected power and high levels of RFI throughout the airframe Any antenna will be less prone to interference from rotor modulation and other undesirable stimuli if installed correctly and surroun...

Page 13: ...ll transmit and receive functions Ensure the RX TX status indicator lights green when keying the radio to transmit and amber when receiving c Check the SCAN function Note You may be unable to hear the received audio if the tones do not match those set in the radio To avoid any confusion set the tones to OFF via the Status Edit mode during scanning so that all channels will be heard d Check the ant...

Page 14: ... Periodic maintenance of these products is not required 2 5 Installation Drawings DOCUMENT REV DESCRIPTION TYPE NTX138 403 0 1 30 Remote Mount Radio Interconnect NTX138 405 0 1 00 Remote Mount Radio Connector Map NTX138 922 0 1 20 Remote Mount Radio Mechanical NTX VT1 922 0 1 00 Vertical Mount Tray Mechanical NTX138 634 0 1 00 Post Installation EMI Test Installation Approval Test Procedure NTX066 ...

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Page 19: ... the squelch open VOR ILS GS receivers should be set to the frequencies indicated and selected for display If possible set up a VOR ILS ramp test set on the frequencies indicated and adjust the output until the flags are out of view The transponder and encoder should be monitored with ramp test equipment If possible set the ADF to a nearby navigation station Modulate the NTX138 transmitter on the ...

Page 20: ...for a VFR certified GPS to lose navigation capability while the NTX138 is transmitting providing that it recovers properly and promptly but it is not permissible for an IFR Approach certified GPS to be affected in the same way A complete discussion of all the standards of airworthiness to be applied in assessing EMI effects is beyond the scope of this document 5 Procedure A Operate the NTX138 tran...

Page 21: ... spaces provided in the following chart Modulate the NTX138 transmitter on the following frequencies for at least 20 seconds Listen for any noise or detected audio signals on the VHF comm Example Bendix King KY 196A The first IF frequency is 11 4 MHz The L O is above the received frequency high side injection therefore the image frequency is 22 8 MHz above the selected frequency Set the KY 196A to...

Page 22: ...frequency Choose one set in the localizer frequency range and one in the VOR frequency range Record these values in the spaces provided in the following chart Modulate the NTX138 transmitter on the following frequencies for at least 20 seconds Listen for any noise or detected audio signals on the receiver audio look for any movement of flags or needles on the navigation display FREQUENCIES RESULTS...

Page 23: ...TS G S 1 NTX138 PASS FAIL 334 7 108 1 167 3500 FREQUENCIES RESULTS G S 2 NTX138 PASS FAIL 334 7 108 1 167 3500 NOTES Note For the following tests select frequencies at the top middle and bottom of the range of the NTX138 Frequency 1 ______________ Frequency 2 ______________ Frequency 3 ______________ E At a safe altitude engage the autopilot or stability augmentation system Modulate the NTX138 tra...

Page 24: ...t least 20 seconds Observe any effect on the autopilot Repeat for each different system such as ILS 2 GPS FMS etc Observations G List the power plant fuel and other electric instruments in the chart provided and note any anomalies that occur while transmitting Assess the results STEP SYSTEM PASS FAIL NOTES 1 Xponder Encoder 2 ADF 1 2 3 VG 4 Compass 5 Directional Gyro 6 Oil Pressure 7 Fuel Pressure...

Page 25: ...Approval Test Procedure Rev 1 00 Aug 31 2001 Page 7 of 7 E NG FORM 634 0100 DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD STEP SYSTEM PASS FAIL NOTES NOTES End of Installation Approval Test Procedure ...

Page 26: ... minimum compliment of satellites The VHF comm should be set to the frequencies indicated in the applicable table with the squelch disabled VOR ILS GS receivers should be set to the frequencies indicated in the applicable table and selected for display If possible set up a VOR ILS ramp test set on the frequencies indicated in the applicable table and adjust the output until the flags are out of vi...

Page 27: ... and promptly It is not permissible for an IFR Approach certified GPS to be affected in the same way A complete disclosure of all the standards of airworthiness to be applied in assessing EMI effects is beyond the scope of this document 5 Procedures 5 1 Operate the NTX066 transmitter on the frequencies listed in Table 1 for at least 20 seconds Observe the GPS for any degradation in satellite statu...

Page 28: ... Comm Set the KY 196A to 120 000 MHz and the NTX066 to 71 400 MHz The image frequency for the KY 196A would then be 120 000 22 800 MHz which equals 142 800 MHz The second harmonic of 71 400 MHz is 142 800 MHz Frequencies Results Channel Image NTX066 Pass Fail VHF 1 VHF 1 VHF 2 VHF 2 Table 2 NOTES 5 3 Modulate the NTX066 transmitter on the frequencies listed in Table 3 for at least 20 seconds Liste...

Page 29: ...100 MHz G S 2 334 7 108 100 87 995 MHz Table 4 NOTES Note For the following tests select frequencies at the top middle and bottom of the range of the NTX066 Frequency 1 ______________ Frequency 2 ______________ Frequency 3 ______________ 5 5 At a safe altitude engage the autopilot or stability augmentation system Modulate the NTX066 transmitter on frequencies 1 2 and 3 for at least 20 seconds Obse...

Page 30: ...lant fuel and other electric instruments in Table 5 and note any anomalies that occur while transmitting Assess the results STEP SYSTEM PASS FAIL NOTES 1 Xponder Encoder 2 ADF 1 2 3 VG 4 Compass 5 Directional Gyro 6 Oil Pressure 7 Fuel Pressure 8 Oil Temp 9 Amps 10 Bus Voltage 11 Fuel 12 Ng 13 TOT 14 Torque 15 Annunciators 16 Digital Clock Table 5 NOTES End of installation approval test procedure ...

Page 31: ... and transmitting over 138 173 9975 MHz on the VHF high band and the NTX066 models operate over 66 0 to 88 9975 MHz on the VHF mid band The transceiver is controlled by a Tac Com control head available from AEM The relevant control head operation manual should be consulted for all operational information 3 3 Configuration The NTX VHF FM Series Remote Mount Transceiver has no normal user operationa...

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