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- Page 1 -001 Headphone Audio Notch Filter - U-174 Installation and Operating Manual Rev B Jupiter Avionics Corporation 1959 Kirschner Road Kelowna BC Canada V1Y 4N7 Tel: +1 778 478 2232 Toll-Free: 1 855 478 2232 www.jupiteravionics.com Rev B Page i...
- Page 2 All rights reserved Jupiter Avionics Corporation (JAC) permits a single copy of this manual to be printed or downloaded for the express use of an installing agency. Any such electronic or printed copy of this manual must contain the complete text of this copyright notice.
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Page 3: Table Of Contents
Headphone Audio Notch Filter - U-174 Installation and Operating Manual Table of Contents SECTION 1 - DESCRIPTION ..............................1 System Overview ..............................1 Features Overview ..............................1 Inputs and Outputs ..............................1 1.3.1 Inputs ................................1 1.3.2 Outputs ................................1 Specifications ................................ -
Page 4: Section 1 - Description
Headphone Audio Notch Filter - U-174 SECTION 1 - DESCRIPTION System Overview The eqJAC-001 Headphone Audio Notch filter allows the user to manually select a narrow band of unwanted frequencies to be removed from the headphone audio. Features Overview The eqJAC-001 unit features an industry standard helicopter headset pin-out to allow plug and play operation. -
Page 5: Mechanical Specifications
Headphone Audio Notch Filter - U-174 Installation and Operating Manual 1.4.1.1 Audio Performance Rated Input Level PHONE INPUT audio rated input level 6. 7 Vrms ± 10% Rated Output Power 6. 7 Vrms ± 10% into 150 Ω PHONE OUTPUT rated output level Audio Frequency Response ≤... -
Page 6: Section 2 - Installation
Introduction This section contains unpacking and inspection procedures, installation information, and post-installation checks. Continued Airworthiness Maintenance of the eqJAC-001 is on condition only. Scheduled inspection and/or periodic maintenance of this unit is not required. Unpacking and Inspecting Equipment Unpack the equipment carefully. Check for shipping damage and report any problems to the relevant carrier. Confirm that the Authorized Release Certificate or Certificate of Conformance is included. -
Page 7: Mechanical Installation
Headphone Audio Notch Filter - U-174 Installation and Operating Manual 2.4.3 Mechanical Installation The eqJAC-001 is mounted via insertion into a U-92A/U Jack. It requires no direct cooling. 2.4.4 Post Installation Checks Do not attach this unit until the following conditions are met: a) Ensure that the batteries are new or fully charged 2.4.4.1... -
Page 8: Section 3 - Operation
On Annunciator (green) will illuminate. Note: If the eqJAC-001 internal batteries are allowed to fully discharge, the Power On light will be dark, and there will be a complete loss of phones audio in the attached headset. If this happens, the headset should be unplugged from the eqJAC-001 and plugged directly into the aircraft audio system. -
Page 9: Notch Center Frequency Control (Freq)
(ccw) will decrease the notch frequency. Operation 3.3.1 Microphone Operation The eqJAC-001 functions when the Mic Bias from the Intercom System is detected, and allows the MIC INPUT audio to be routed directly to the MIC OUTPUT. 3.3.2 Phone Operation The eqJAC-001 PHONE INPUT has unity gain to the PHONE OUTPUT with the exception of the filtered frequencies. -
Page 10: Battery Cautions And Warnings
Installation and Operating Manual 3.4.2 Battery Life The operating duration of the eqJAC-001 with fully charged batteries before battery replacement is required is typically >10 hours @ rated audio level. Battery life depends on the following factors: Charge capacity of the batteries installed: The higher the capacity of the batteries, typically specified as 2000 to 2400 mAh (milliamp-hours), the longer the battery life. -
Page 11: Appendix A - Installation Drawings
Headphone Audio Notch Filter - U-174 Installation and Operating Manual Appendix A - Installation Drawings Introduction The drawings necessary for installation and troubleshooting of the eqJAC-001 Headphone Audio Notch Filter – U-174 are in this Appendix, as listed below. Installation Drawings DOCUMENT... - Page 12 10-10-18 CHECKED TITLE Headphone Audio Notch Filter - U-174 10-11-18 APPROVED NCAGE CODE PART NO. SHEET L00N3 eqJAC-001 DOC NO. CONFIDENTIAL & PROPRIETARY TO JUPITER AVIONICS CORP. eqJAC-001 Connector Map Rev B.dwg JUPITER AVIONICS TEMPLATE AUTOCAD PORTRAIT SIZEA REV B.DWT...
- Page 13 PREPARED 10-10-18 CHECKED TITLE Headphone Audio Notch Filter - U-174 10-11-18 APPROVED NCAGE CODE PART NO. SHEET L00N3 eqJAC-001 DOC NO. CONFIDENTIAL & PROPRIETARY TO JUPITER AVIONICS CORP. eqJAC-001 Interconnect Rev B.dwg JUPITER AVIONICS TEMPLATE AUTOCAD PORTRAIT SIZEA REV B.DWT...
- Page 14 ANGLES: 0.5 DEG 10-11-18 NCAGE CODE PART NO. SHEET APPROVED L00N3 eqJAC-001 CONFIDENTIAL & PROPRIETARY DOC. NO. MATERIAL: TO JUPITER AVIONICS CORP. eqJAC-001 Mechanical installation Rev B.SLDDRW FINISH: DRAWING NOT TO SCALE JUPITER AVIONICS TEMPLATE SOLIDWORKS PORTRAIT SIZEB REV B.DRWDOT...
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