Table of Contents
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Installation and Operation Manual
N301A-000
Audio Controller
RX-ON
COM3
COM5
NAV2
ADF2
MKR
EMER
COM2
COM4
NAV1
ADF1
DME
NORM
AUX
ICS
PVT
TX
RADIO
ICS
HOT
VOX
SM45
ISSUE 4.01
Northern Airborne Technology Ltd.
1925 Kirschner Road
Kelowna, BC, Canada.
V1Y 4N7
Telephone (250) 763-2232
Facsimile (250) 762-3374
Issued on the authority of Northern Airborne Technology Ltd.
Copyright 2004
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Summary of Contents for Northern Airborne Technology N301A-000
- Page 1 ADF2 EMER COM2 COM4 NAV1 ADF1 NORM RADIO SM45 ISSUE 4.01 Northern Airborne Technology Ltd. 1925 Kirschner Road Kelowna, BC, Canada. V1Y 4N7 Telephone (250) 763-2232 Facsimile (250) 762-3374 Issued on the authority of Northern Airborne Technology Ltd. Copyright 2004...
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Page 3: Table Of Contents
Controls and Indicators 3.3.1 Transmit Selection 3.3.2 Receive Audio 3.3.3 Emergency Switch (EMER/NORM) 3.3.4 ICS Functions 3.3.5 Direct Audio Inputs 3.3.6 Cockpit Voice Recorder Installation and Operation Manual Page iii ENG-FORM: 820-0114.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD. -
Page 4: Description
Introduction Information in this section consists of product description, design features and specifications for the N301A-000 Audio Controller. All derivative product information shall be contained in the applicable manual supplement, which may be obtained from NAT as required. Review all notes, warnings and cautions. - Page 5 <-55 dB input-to-output Crosstalk <10% distortion / Δ3 dB max. of rated output power at 400% and 75% of Output Regulation rated load Section 1 Rev: 1.00 Issue 4 Page 1-2 ENG-FORM: 800-0114.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
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Page 6: Physical Specifications
95% at 50° C 48 hours Vibration/Shock RTCA/DO-160C Cat. MNY Qualification of the N301A-000 Audio Controller was completed in accordance with: RTCA/DO-160C Env. Cat. B4-BA[MNY]XXXXXXABABAZAXXX Note: Refer to Environmental Qualification Form located in Section 2.7 of this Manual for complete details of the environmental categories. - Page 7 SM45 Installation and Operation Manual 1.4.4 Product Approval FAA: TSO-C50c (RTCA/DO-170, Class 1b) Applicable to units serial number 3000 and above Section 1 ends Section 1 Rev: 1.00 Issue 4 Page 1-4 ENG-FORM: 800-0114.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
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Page 8: Installation
2.2.1 Warranty All Northern Airborne Technology Ltd. products are warranted for 2 years from date of installation by an authorized NAT dealer, to be free of defects in workmanship or performance. This warranty covers all materials and labour, but is exclusive of any transport to deliver the defective unit to and from NAT or its designated warranty repair center, or any labour to remove or re-install the defective unit in the aircraft. -
Page 9: Cautions
Verify that the selected circuit breaker size and wire gauge are adequate for the installation using the techniques specified in AC43.13-1B Change 1, Paragraphs 11-47 through 11-51 and 11-66 through 11-69. Section 2 Rev: 1.00 Issue 4 Page 2-2 ENG-FORM: 805-0117.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD. -
Page 10: Installation Notes
Follow instructions on installation drawings in section 2.7. If the receivers have very high output impedance (great than 1000 ohms), they should be terminated with the internal load resistors. Four 600 Ω and two 150 Ω resistors are provided in each N301A-000 controller; only use one load resistor per radio in the system. -
Page 11: Tie Line Mode Options
The internal adjustments that can be varied are located along the sides of the unit (refer to drawing N301A\000\922-0) and are as follows: Section 2 Rev: 1.00 Issue 4 Page 2-4 ENG-FORM: 805-0117.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD. -
Page 12: Left Side Adjustments
MODEL (103/105) A slide switch allows selection of the required variant. With this switch at position 103, the unit simulates the Andrea A301-103, and at 105 it simulates the A301-105. (See N301A-000\403-0 interconnect for more details.) CAUTION: The MODEL (103/105) switch determines the internal configuration for the CVR output, and is installation specific. -
Page 13: Accessories Required But Not Supplied
Mech Installation 2130 to 2999 N301A\000\922-0 1.20 N301A Audio Controller Mech Installation 3000 and up Section 2 ends following the above documents Section 2 Rev: 1.00 Issue 4 Page 2-6 ENG-FORM: 805-0117.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD. - Page 20 RX-ON RX-ON COM3 COM3 COM5 COM5 NAV2 NAV2 ADF2 ADF2 EMER EMER COM2 COM2 COM4 COM4 NAV1 NAV1 ADF1 ADF1 NORM NORM RADIO RADIO...
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Page 24: Operation
SM45 Installation and Operation Manual Section 3 Operation Introduction Information in this section consists of the functional and operational procedures for the N301A-000 Single User Audio Controller. General Information The N301A-000 audio controllers provide central adjustment for all the aircraft audio. They allow selection of transmit and receive audio, and HOT, VOX or PTT intercom. -
Page 25: Receive Audio
No intercom operation is possible in EMER mode. 3.3.4 ICS Functions RX-ON COM3 COM5 NAV2 ADF2 EMER COM2 COM4 NAV1 ADF1 NORM RADIO ICS volume control VOX control Section 3 Rev: 1.00 Issue 4 Page 3-2 ENG-FORM: 806-0112.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD. -
Page 26: Direct Audio Inputs
The N301A series of audio controllers provide an output to an external Cockpit Voice Recorder. This allows all audio signals passed through the Audio controller to be recorded for later playback. Section 3 ends Section 3 Rev: 1.00 Issue 4 Page 3-3 ENG-FORM: 806-0112.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
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