XCOM 760 Installation And User Manual Download Page 18

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Wiring Diagram – Typical Installation

9 10

Pins

Wire 18 AWG

Pilot Headphones

Copilot Headphones

Pilot Mic

Copilot Mic

PTT Button

Pilot PT T

Pilot Mic

Copilot PTT

Copilot Mic

Copilot Headphones

Pilot Headphones

Speaker

Music Input

Backlight

Intercom ON/Off

Ground

+13.8 V

1 2 3 4 5 6 7 8

9 10 11 12 13 14 15

DB15 FEMALE plug viewed
from the rear (wire) side

XCOM VHF760 TRANSCEIVER WIRING DIAGRAM

Version 3 - Issued August 2005 Copyright XCOM Avionics www.xcomavionics.com

3A Fuse must be installed

* When using Electret or Amplifield Dynamics you must use individual inputs (1 and 3). Do not
parallel more than one per input.

* Speaker now has a separate negative lead - do not ground the speaker as damage will result in

the radio speaker amplifier!
* 22,000 uF 25V Electrolytic Capacitor Must Be Installed

Electret, Amplified Dynamic Pilot Mike

Music Aux Audio Input
Electret, Amplified Dynamic Co Pilot Mike

Speaker Output 8-16 Ohms

Intercom ON ground to operate

PTT Co Pilot

PTT Pilot

Positive 12 Volts

LED Bac12V

Speaker Output 8-16 Ohms

Pilot Isolate

Negative Ground
Headphone Output Co Pilot

Headphone Output Pilot

XCOM760 VHF Transceiver Pin Details

Pin 1

Pin 2
Pin 3

Pin 4

Pin 5

Pin 6

Pin 7
Pin 8

Pin 9

Pin 10

Pin 11

Pin 12
Pin 13

Pin 14

Pin 15

All wires 22 AWG except power and ground

Center off switch

Isolate

16V Maximum

To panel dimmer

22,000 uF 25V

Electrolytic Capacitor

Must Be Installed

Notes

Release 1.7

www.xcom760.com Page

Summary of Contents for 760

Page 1: ...er Hardware Revision 1 10 Software Rev 1 20 Build 46 Installation and Users Manual XCOM Avionics Factory 4 No 24 Leda Drive Leda Business Park Burleigh Heads Queensland Australia 4226 Phone 61 7 5568 7770 Fax 61 7 5568 7772 ...

Page 2: ...Release 1 7 XCOM Avionics 2005 www xcom760 com Page 2 ...

Page 3: ... 8 XCOM Installation 9 Wiring Harness 9 Antennas 10 Radio Frequency Hazard Information 10 Radio Ground Strap 10 Operating your XCOM Transceiver 10 On 10 MODE 10 MEM 11 DUAL 11 Flip Flop button Ú 12 Memory Programming 12 Introduction 12 Operation 12 Clearing Memories 13 Memory Scanning 13 Introduction 13 Starting Memory Scan 13 Stopping Memory Scan 13 Setup Options 14 Introduction 14 Operation 14 A...

Page 4: ...ic input will enhance your enjoyment of the flight With expanded receive frequency range up to 163 MHz the XCOM 760 provides NOAA weather reception ensuring that you are always aware of impending weather conditions NOAA weather only operates in the USA and will have an optional MARS CAP capability to be introduced in future releases Additional safety enhancements such as dual watch allow the pilot...

Page 5: ...be introduced during 2005 6 Low battery alert with user selectable alert levels for under voltage default is 10 5 vdc and over voltage default is 14 5 vdc Optional MARS CAP capability special order to be introduced during 2005 6 subject to FCC approvals XCOM Avionics reserves the right to update this manual as product enhancements are made throughout the life of this product The actual release num...

Page 6: ...erly understood could cause improper operation or damage to this product Warranty Card Included in the rear of this manual is the warranty card Please fill out your details and return to the manufacturer s address provided Please don t return the card to your dealer Alternatively you may fill in the warranty details online through the website at http www xcom760 com select warranty registration De...

Page 7: ...e default for normal operation is 50 To activate the squelch press the knob in once and the word will be displayed Rotate the control to the left to decrease and open the squelch Rotate to the right to increase and close the squelch Squelch values range from 0 to 63 with the default for normal operation around 30 After 3 seconds of no activity the control reverts back to volume and the screen retu...

Page 8: ...TT switch RX Receive Icon indicates that a signal is being received Note that if the squelch is fully opened set at 0 then the unit will continually receive either a weak background signal or noise DUAL WATCH Lights up when the dual watch button function is activated LOW BATT indicates that the battery voltage is low A flashing icon indicates that an over voltage situation exists MEM Indicates fun...

Page 9: ...ecured in place by the 4 mounting screws supplied Replacement screws are 6 32 1 2 long Do not use longer screws as these may contact internal components and cause damage to the unit Wiring Harness The wiring harness is the most critical part of the installation and is where most customers have difficulty If you are unsure of how to complete this task please seek the advice of a qualified person or...

Page 10: ...ded which will prevent RF feedback from entering the radio and causing squeals or other noise when transmitting Operating your XCOM Transceiver On To switch the unit on simply depress the ON button for one second To switch the unit off hold the button in for 2 seconds When power is applied the transceiver will start up in whatever mode it was in when power was last removed That is if the unit was ...

Page 11: ...121 500 MHz as this is stored as a factory default in memory location 0 Subsequent returns to the memory screens will show the last accessed memory channel Memory locations are cycled by rotating the F CH knob Only those locations which have frequencies stored will be displayed The top 10 locations channels 90 through 99 contain the NOAA weather frequencies for use within the United States Channel...

Page 12: ...displayed memory channel to the active frequency in the default screen In all other instances this button serves as an exit button to return to the default screen Memory Programming Introduction The XCOM 760 has 99 user programmable memory channels stored in non volatile memory The memory channels can be programmed via the keypad or via the RS232 data link using the serial port and Windows based s...

Page 13: ...e MHz value 108 MHz if VOR Receive is activated or 118 MHz if VOR Receive is deactivated The word CLEAR will appear in the display Press and hold the MEM button for 2 seconds The display will show and the channel will be cleared To exit the memory programming screen press Ú Memory Scanning Introduction The XCOM 760 has 99 user programmable memory channels stored in non volatile memory These channe...

Page 14: ...nsmit timeout value Gain Adjusts the microphone gain Ptt2 Selects the copilot PTT mode Input Selects the line input mode AdjAct Enables or disables the adjustment of active frequency Exit setup at any time by pressing the Ú button Int Option On or Off This selects the intercom on or off Default is on Disabling the intercom reduces power consumption by disabling the headset amplifier during normal ...

Page 15: ...he LOW BATT icon illuminates The default value is 11 0 volts If the power supply reduces below this value the LOW BATT icon will illuminate Rotate the F CH control to set the value Stuc Option 10 to 90 Default 30 This setting determines the timeout period for a long transmission The default value is 30 seconds If the PTT is held for a period longer than this value the unit will automatically cease...

Page 16: ...etting to CD or RAD AdjAct Option On or Off This setting enables or disables the ability to adjust the active frequency directly in the default screen The default is off To enable quick scanning and selection of active frequencies the active frequency can be adjusted directly and the new frequency monitored immediately This is particularly useful when searching for frequencies with activity When t...

Page 17: ...nd plane Ground plane independent antennas are suitable for use with the XCOM However in our experience a fully grounded antenna with a large ground plane provides superior performance Antenna construction is also a factor in determining the best installation Most VHF antennas used on sport aircraft are wave whip type antennas made from either metal or fiberglass The cheaper wire whip antennas are...

Page 18: ...r input Speaker nowhasa separate negative lead do notground the speaker asdamage will resultin the radio speaker amplifier 22 000 uF 25V ElectrolyticCapacitor MustBe Installed Electret Amplified Dynamic Pilot Mike MusicAuxAudio Input Electret Amplified Dynamic Co Pilot Mike Speaker Output 8 16 Ohms Intercom ON ground to operate PTT Co Pilot PTT Pilot Positive 12 Volts Positive 12 Volts LED Backlig...

Page 19: ...keypads external lighting control volts Memories 99 user definable memories non volatile no battery required Transmit power 5 5 Watts 1dB 0 5 dB into 50 Ohms 5 9 watts nominal Approximately 2 watts emergency operation 10 volts input Modulation High level amplitude modulation with a maximum modulation depth of 80 Transmit timeout 30 seconds default user selectable Microphones Electret 100mv into 20...

Page 20: ... Engineering Services has reviewed the type Acceptance Certification request from X Air Australia for the XCOM 760VHF transceiver ID number QLDXCOMVHF The technical data for this equipment is consistent with the spectrum requirements and we have no objections to certification of this device If you have any question please contact Mr Donald Nellis Spectrum Planning and International Office at 202 2...

Page 21: ...r NOT TRANSFERABLE EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE and is VALID ONLY for the equipment identified hereon far use under the Commission s Rules and Regulations listed below FCC IDENTIFIER Name of Grantee Equipment Class Licensed Non Broadcast Station Transmitter Notes VHF Aircraft Transceiver Grant Notes FCC Rule Parts Frequency Range MHZ Output Watts Frequency Toleranc...

Page 22: ...Release 1 6 XCOM Avionics 2005 www xcom760 com Page 22 ...

Page 23: ...nties with statistical confidence intervals of 95 are shown below test results Both Class A and Class B uncertainties have been accounted for as well as influence uncertainties where appropriate In addition this equipment has been tested in accordance with the requirements contained in the appropriate Commission regulations To the best of my knowledge these tests were performed using measurement p...

Page 24: ... is supplied with a removable template sticker which can be used for the XCOM s installation If you have this diagram in a small booklet then it is not to scale 2 3125 Dia 2 6 2 5 D i a 45 Deg 27 Drill 9 64 Drill 3 5 mm Drill Standard Cutout for XCOM Radio Release 1 6 XCOM Avionics 2005 www xcom760 com Page 24 ...

Page 25: ...Release 1 6 XCOM Avionics 2005 www xcom760 com Page 25 Notes ...

Page 26: ...ide you with better customer service and future update options on our products please return the warranty card to the address above Please do not return this warranty registration to your dealer The warranty details may also be completed electronically through the web site http www xcom760 com We look forward to hearing of your experiences with the XCOM range Should you have any questions regardin...

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