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Garmin GMA 240 manual

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Buen manual de instrucciones

Las leyes obligan al vendedor a entregarle al comprador, junto con el producto, el manual de instrucciones Garmin GMA 240. La falta del manual o facilitar información incorrecta al consumidor constituyen una base de reclamación por no estar de acuerdo el producto con el contrato. Según la ley, está permitido adjuntar un manual de otra forma que no sea en papel, lo cual últimamente es bastante común y los fabricantes nos facilitan un manual gráfico, su versión electrónica Garmin GMA 240 o vídeos de instrucciones para usuarios. La condición es que tenga una forma legible y entendible.

¿Qué es un manual de instrucciones?

El nombre proviene de la palabra latina “instructio”, es decir, ordenar. Por lo tanto, en un manual Garmin GMA 240 se puede encontrar la descripción de las etapas de actuación. El propósito de un manual es enseñar, facilitar el encendido o el uso de un dispositivo o la realización de acciones concretas. Un manual de instrucciones también es una fuente de información acerca de un objeto o un servicio, es una pista.

Desafortunadamente pocos usuarios destinan su tiempo a leer manuales Garmin GMA 240, sin embargo, un buen manual nos permite, no solo conocer una cantidad de funcionalidades adicionales del dispositivo comprado, sino también evitar la mayoría de fallos.

Entonces, ¿qué debe contener el manual de instrucciones perfecto?

Sobre todo, un manual de instrucciones Garmin GMA 240 debe contener:
- información acerca de las especificaciones técnicas del dispositivo Garmin GMA 240
- nombre de fabricante y año de fabricación del dispositivo Garmin GMA 240
- condiciones de uso, configuración y mantenimiento del dispositivo Garmin GMA 240
- marcas de seguridad y certificados que confirmen su concordancia con determinadas normativas

¿Por qué no leemos los manuales de instrucciones?

Normalmente es por la falta de tiempo y seguridad acerca de las funcionalidades determinadas de los dispositivos comprados. Desafortunadamente la conexión y el encendido de Garmin GMA 240 no es suficiente. El manual de instrucciones siempre contiene una serie de indicaciones acerca de determinadas funcionalidades, normas de seguridad, consejos de mantenimiento (incluso qué productos usar), fallos eventuales de Garmin GMA 240 y maneras de solucionar los problemas que puedan ocurrir durante su uso. Al final, en un manual se pueden encontrar los detalles de servicio técnico Garmin en caso de que las soluciones propuestas no hayan funcionado. Actualmente gozan de éxito manuales de instrucciones en forma de animaciones interesantes o vídeo manuales que llegan al usuario mucho mejor que en forma de un folleto. Este tipo de manual ayuda a que el usuario vea el vídeo entero sin saltarse las especificaciones y las descripciones técnicas complicadas de Garmin GMA 240, como se suele hacer teniendo una versión en papel.

¿Por qué vale la pena leer los manuales de instrucciones?

Sobre todo es en ellos donde encontraremos las respuestas acerca de la construcción, las posibilidades del dispositivo Garmin GMA 240, el uso de determinados accesorios y una serie de informaciones que permiten aprovechar completamente sus funciones y comodidades.

Tras una compra exitosa de un equipo o un dispositivo, vale la pena dedicar un momento para familiarizarse con cada parte del manual Garmin GMA 240. Actualmente se preparan y traducen con dedicación, para que no solo sean comprensibles para los usuarios, sino que también cumplan su función básica de información y ayuda.

Índice de manuales de instrucciones

  • Página 1

    190-00917-01 June, 2008 Revision A GMA 240 Installation Manual P I LO T CO PI L OT MUT E MO N SQ OFF/ VOL SQ VOL PULL MUSIC VOL TE L GMA 240 PI L OT IS O MUT E MUS IC MUS IC IC S RA D I O NA V1 NA V2 AU X1 AU X 2 CO M 1 MIC CO M 1 CO M 2 CO M 2 MIC TEL 1 1- 2 1 2[...]

  • Página 2

    Page A GMA 240 Installati on Manual Rev. A 190-00917-01 © Copyright 2008 Garmin Ltd. or its subsidiaries All Rights Reserved Except as expressly provided herein, no part of this manual may be reproduced, copied, transmitted, disseminated, downloaded or stored in any storage medium , for any purpose without the express prior written consent of Garm[...]

  • Página 3

    GMA 240 Installati on Manual Page i 190-00917-01 Revision A INFORMATION SUBJECT TO EXPORT CONTROL LAWS This document may contain information which is subject to the Export Administration Regulations ("EAR") issued by the United States Department of Commerce (15 CFR, Chapter VII, Subchapter C) and which may not be exported, released, or di[...]

  • Página 4

    Page ii GMA 240 Installation M anual Revision A 190-00917-01 This page intentionally left blank[...]

  • Página 5

    GMA 240 Installation Manual Page iii 190-00917-01 Revision A TABLE OF CONTENTS PARAGRAPH PAGE 1 GENERAL D ESCRIPTION .......................................................................................................... .... 1-1 1.1 Introduction.....................................................................................................[...]

  • Página 6

    Page iv GMA 240 Installat ion Manual Revision A 190-00917-01 PARAGRAPH PAGE APPENDIX A OUTLINE AND INSTALLATION DRAW INGS .......................................................... A-1 APPENDIX B INTERCONNE CT DRAWINGS .................................................................................... B-1 APPENDIX C CONFIGURATI ON JUMPER DRAWINGS [...]

  • Página 7

    GMA 240 Installati on Manual Page v 190-00917-01 Revision A LIST OF ILLUSTRATIONS FIGURE PAGE 1-1 GMA 240 Unit View .......................................................................................................... ............... 1-1 2-1 GMA 240 Unit Rack (115-00262-00) ......................................................................[...]

  • Página 8

    Page vi GMA 240 Installat ion Manual Revision A 190-00917-01 GMA 240 HARDWARE MOD LEVEL HISTORY T h e f o l l o w i n g t a b l e i d e n t i f i e s h a r d w a r e modification (Mod) Levels for the GMA 240 Audio P a n e l . Mod Levels are listed with the associated service bulletin number, service bulletin date, and the purpose of the modificatio[...]

  • Página 9

    GMA 240 Installati on Manual Page 1-1 190-00917-01 Rev. A 1 GENERAL DESCRIPTION 1.1 Introduction This manual provides the installation instructions fo r the Garmin GMA 240 Audio Panel. Reference to GMA 240 throughout this manual refers to all versions of the unit. Inform ation pertaining to the maintenance of the unit can be found in the GMA 240 Ma[...]

  • Página 10

    Page 1-2 GMA 240 Installati on Manual Rev. A 190-00917-01 1.2.1 Features Summary • User-friendly, intuitive front panel layout • LEDs indicate selected function • Four position intercom: pilot, copilot, two passengers • Two stereo headset amplifiers: one for pilot, one for copilot/passengers • Two differential stereo music source inputs ?[...]

  • Página 11

    GMA 240 Installati on Manual Page 1-3 190-00917-01 Rev. A 1.3.2 Electrical Characteristics Characteristic Specification Temperature Range -20 ° C to +55 ° C (operation) -55 ° C to +85 ° C (storage) Altitude 55,000 Feet Audio Panel Functions Dedicated Transceiver inputs: 3 (including TEL) Dedicated Receiver inputs: 4 (all independently selectabl[...]

  • Página 12

    Page 1-4 GMA 240 Installati on Manual Rev. A 190-00917-01 Characteristic Specification Music Functions Music inputs (stereo): 2 Music input impedance: 600 Ω (differential) Music gain: -20dB @ min volume, +26dB @ max. volume (typ.) Music input level:<200 mVrms for full power* output @ max music volume knob position (typ.) 3.5 Vrms max music inp[...]

  • Página 13

    GMA 240 Installati on Manual Page 1-5 190-00917-01 Rev. A 1.5 Limited Warranty This Garmin product is warranted to be free from defects in m aterials or workmanship for one year from the date of purchase. Within this period, Garmin w ill at its sole option, repair or replace any components that fail in normal use. Such repairs or replacement w ill [...]

  • Página 14

    Page 1-6 GMA 240 Installati on Manual Rev. A 190-00917-01 Blank Page[...]

  • Página 15

    GMA 240 Installati on Manual Page 2-1 190-00917-01 Rev. A 2 INSTALLATION OVERVIEW 2.1 Introduction This section provides the necessary information for th e installation and checkout of the GMA 240 Audio Panel. Installation of the GMA 240 will differ accord ing to equipment location and other factors. Cabling will be fabricated by the installing age[...]

  • Página 16

    Page 2-2 GMA 240 Installati on Manual Rev. A 190-00917-01 2.3.1 Internal Configuration Jumpers The following internal configuration adjustments ma y be made by removing or replacing jumpers on the PCB. The jumper positions are designed to accept a 0 Ω resistor of 0603 size. Refer to Appendix C for component location. This service should only be p[...]

  • Página 17

    GMA 240 Installati on Manual Page 2-3 190-00917-01 Rev. A Component Name Default Description R0314 Only Primary COM mutes MUSIC Empty If a jumper is supplied in this position, the RADIO button will mute music only when the Primary COM (the COM selected for transmission) is receiving audio. Default RADIO mutes music operation occurs when any selecte[...]

  • Página 18

    Page 2-4 GMA 240 Installati on Manual Rev. A 190-00917-01 Figure 2-1. Access Hole Location (Top View) 2.3.3 Hardwire Configuration Option The following configuration options are available by ex ternally wiring pins to aircraft chassis. When change of operation is desired during flight, these can optionally be wired to chassis through a suitable swi[...]

  • Página 19

    GMA 240 Installati on Manual Page 2-5 190-00917-01 Rev. A BUTTON PRESS TONE ENABLE: This input enables an audible tone to be heard when a button press is detected. MUTE ON COM TX: This input configures the audio panel to mute all selected radios (COM, NAV, AUX) except the mic selected COM (COM selected for transmission) when a PTT key is activated [...]

  • Página 20

    Page 2-6 GMA 240 Installati on Manual Rev. A 190-00917-01 2.5 GMA 240 Mounting The GMA 240 mounting surface must be capable of providing structural support and electrical bond to the aircraft to minimize radiated EMI and provide protection from High-Intensity Radiation Fields (HIRF). The GMA 240 is mounted using a GMA 340 unit rack. Figure 2-2 show[...]

  • Página 21

    GMA 240 Installati on Manual Page 3-1 190-00917-01 Rev. A 3 INST ALLA TION PR OCEDURE 3.1 Unpacking Unit Carefully unpack the equipment and make a visual inspection of the unit for evidence of dama ge incurred during shipment. If the unit is damaged, notify the carri er and file a claim . To justify a claim, save the original shipping container and[...]

  • Página 22

    Page 3-2 GMA 240 Installati on Manual Rev. A 190-00917-01 3.3 Audio Shield Termination The audio shield wires should be terminated at the rear of the unit to the screws between J2401 and J2402 as shown in Figure 3-1. Audio shiel ds d aisy cha ined and termi nate d usin g a lu g attached to eit her of the se screws . Rear View of bac kplate and r ac[...]

  • Página 23

    GMA 240 Installati on Manual Page 3-3 190-00917-01 Rev. A 3.5 Post Installation Checkout CAUTION Check wiring connections for errors before inserting the GMA 240 into the rack. Incorrect wiring could cause internal component damage. An in-aircraft checkout may be performed in the aircraft on the ram p with known good microphone, headset, and avioni[...]

  • Página 24

    Page 3-4 GMA 240 Installati on Manual Rev. A 190-00917-01 2. Plug in headsets at each ICS position. NOTE For helicopter operation using a two-st age Intercom/PTT switch, prior to using the keyed-intercom mode, the VOX level should be set by adjusting the VOX knob while the first detent is actuated and held. 3. Check Pilot and Copilot ICS positions [...]

  • Página 25

    GMA 240 Installation Manual Page 4-1 190-00917-01 Rev. A 4 SYSTEM INTERCONNECTS 4.1 Connector Description The GMA 240 has two 44-pin connectors located at the rear of the unit designated J2401 and J2 402 which are oriented as shown in Figure 4-1. J2401 J2402 Figure 4-1. Rear View of Backplate and Rack 4.2 Pin List Figure 4-2. Rear Connectors J2401 [...]

  • Página 26

    Page 4-2 GMA 240 Installation Manual Rev. A 190-00917-01 4.2.1 P2401 Connector Table 4-1. J2401 Pin Assignment s Pin Pin Name I/O 1 RESERVED -- 2 RESERVED -- 3 TEL AUDIO I N HI IN 4 TEL AUDIO LO -- 5 TEL MIC AUDIO OU T HI OUT 6 RESERVED -- 7 AUX2 AUDIO IN HI IN 8 AUX2 AUDIO IN LO -- 9 COM 1 AUDI O IN HI IN 10 COM 1 AUDIO LO -- 11 COM 1 MIC AUDIO OU[...]

  • Página 27

    GMA 240 Installation Manual Page 4-3 190-00917-01 Rev. A 4.2.2 J2402 Connector Table 4-2. J2402 Pin Assignment s Pin Pin Name I/O 1 PILOT HEADSET AUDIO OUT LO -- 2 COPILOT HE ADSET AUDIO OUT LO -- 3 COPILOT HE ADSET AUDIO OUT LEFT OUT 4 COPILOT HE ADSET AUDIO OUT RIGHT OUT 5 LIGHTI NG BUS 14V LO/2 8V LO -- 6 LIGHTI NG BUS 14V HI/28V LO IN 7 LIGHTI [...]

  • Página 28

    Page 4-4 GMA 240 Installation Manual Rev. A 190-00917-01 4.2.3 P2403 Connector (front panel 2.5 mm mini-jack) Figure 4-2. 2.5 mm plug used with P2403 Pin Pin Name I/O TIP MUSIC 1 LEFT IN/TEL MIC OUT HI IN/OUT RING MUSIC 1 RIGHT IN/TEL AUDIO IN HI IN SLEEVE MUSIC 1 LO IN/TEL AUDIO LO -- 4.3 Aircraft Power and Lighting 4.3.1 Aircraft Power The GMA 24[...]

  • Página 29

    GMA 240 Installation Manual Page 4-5 190-00917-01 Rev. A 4.4 Configuration Pins 4.4.1 External Configuration Pins The following pins may be used to change th e configuration of the installation as described. Pin Connector Pin Name Description 16 P2401 MASQ INHIBIT* IN Ground to disable Master Avionics Squelch circuitry. This will cause alerts and s[...]

  • Página 30

    Page 4-6 GMA 240 Installation Manual Rev. A 190-00917-01 4.5 Audio Inputs/Outputs and Mic Keys 4.5.1 Mic Audio Inputs and Mic Keys Pin Connector Pin Name Description I/O 34 P2401 PILOT MIC KEY* IN IN 33 P2402 COPILOT MIC KEY* IN Enables respective MIC audio into the selected transceiver unit IN 33 P2401 PILOT MIC AUDIO IN HI IN 35 P2401 PILOT MIC I[...]

  • Página 31

    GMA 240 Installation Manual Page 4-7 190-00917-01 Rev. A 4.5.4 Alert Audio I/O Pin Connector Pin Name Description I/O 31 P2401 ALERT 1 AUDIO IN HI Alert 1 Audio Input IN 32 P2401 ALERT 1 AUDIO IN LO Ground Reference for Alert 1 -- 44 P2401 ALERT 2 AUDIO IN HI Alert 2 Audio Input IN 15 P2402 ALERT 3 AUDIO IN HI Alert 3 Audio Input IN 43 P2401 ALERT [...]

  • Página 32

    Page 4-8 GMA 240 Installation Manual Rev. A 190-00917-01 4.5.8 Tel Audio I/O Pin Connector Pin Name Description I/O 3 P2401 TEL AUDIO IN HI Telephone Audio Input IN 4 P2401 TEL AUDIO LO Ground Reference for Telephone -- 5 P2401 TEL MIC AUDIO OUT HI TEL MIC Audio Output OUT 4.5.9 Headset Outputs Pin Connector Pin Name Description I/O 16 P2402 PILOT [...]

  • Página 33

    APPENDIX A OUTLINE AND INSTALLATION DRAWINGS GMA 240 Installation Manual Page A-1 (Page A-2 b lank) 190-00917-01 Rev A Figure A-1. GMA 240 Outline Drawing[...]

  • Página 34

    APPENDIX A OUTLINE AND INSTALLATION DRAWINGS GMA 240 Installation Manual Page A-3 (Page A-4 b lank) 190-00917-01 Rev A Figure A-2. GMA 240 Connect or/Rack Assembly Drawing[...]

  • Página 35

    APPENDIX A OUTLINE AND INSTALLATION DRAWINGS GMA 240 Installation Manual Page A-5 (Page A-6 b lank) 190-00917-01 Rev A Figure A-3. GMA 240 Recomm ended Panel Cutout Dimensions[...]

  • Página 36

    APPENDIX B INTERCONNECT DRAWINGS GMA 240 Installation Manual Page B-1 (Page B-2 blank) 190-00917-01 Rev A Figure B-1. GMA 240 Inter connect Drawing (page 1 of 3)[...]

  • Página 37

    APPENDIX B INTERCONNECT DRAWINGS GMA 240 Installation Manual Page B-3 (Page B-4 blank) 190-00917-01 Rev A Figure B-1. GMA 240 Inter connect Drawing (page 2 of 3)[...]

  • Página 38

    APPENDIX B INTERCONNECT DRAWINGS GMA 240 Installation Manual Page B-5 (Page B-6 blank) 190-00917-01 Rev A Figure B-1. GMA 240 Inter connect Drawing (page 3 of 3)[...]

  • Página 39

    APPENDIX B INTERCONNECT DRAWINGS GMA 240 Installation Manual Page B-7 (Page B-8 blank) 190-00917-01 Rev A PILOT ISO MUSIC * RETURN RESER VED MUTE* ON COM T X IN ALERT 3 AUDI O IN HI RESER VED FAILSAFE WARN AUDI O IN H I MUSIC 2 IN LO PILOT ISO MUSIC * IN AIRC RAFT GROUND RESER VED RESER VED MUSIC 2 IN RIGHT RESER VED AIRC RAFT POWER AI RCRAFT POWER[...]

  • Página 40

    APPENDIX C CONFIGURATION JUMPERS DRAWING GMA 240 Installation Manual Page C-1 (Page C-2 blank) 190-00917-01 Rev A T op of Main Board Bottom of Main Board Figure C-1. GMA 240, Internal Configuration Jumper Layout Drawing[...]