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XCOM 760 VHF Transceiver
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1. XCOM 760 VHF Transceiver 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 Table of Contents FEO GIL CELIO tiernas 4 Features OVE WISWe iaa A E 4 Manual Release INformation cece cece ccc e cece eeeee eee eeeeeeeeeeeaeeeeeageeeeteuaeeetsegnnegs 5 Pack ade CONCE ee earner ene an en thet rrr ent cern ee nn en hare ea on Teer tes eet nn ter 6 BOEM ee en heer rn ere rr nT rt Tr reer tT rr Ten Te ty TT rere te 6 Warranty Cal Gt isacaienmwbrity enna AAA A AA ds 6 DESCUIDO Mariara orinando diia ld 6 Front Panel Controls and SwitcheS sesesssessrrrssrerersrererererrrrrrrrrrrrrrrrrrrrrrerr gt 7 EMergency frequenCy saca is 7 KEDDI DIY ascatusessunt E e E PS CM POCO OO CO A 8 TA Transmit COM aii AAA AAA 8 RA CRECCIVE ICON risas dadas 8 DUAL WATCH ars ando dis 8 LOW BA aii AA 8 ME Marsans AAA AE 8 Middle Eli ASAS 8 BOTOM IM ia 8 ACOWMMIAS ta lato Nr ainda 9 MICA OA MESS nr iiO 9 AMAN asin a io share ss dos dise 10 Radio Frequency Hazard INforMati0N cccccccccccccnnccccccnnnncnc narra nn rr rr 10 Radio Ground Strait 10 Operating your XCOM Transceiver ccc cece cece eee eeceee ee eeeeeeeeteeseeeetegeetetageneeegs 10 OMG dita PC RNA 10 MODE lt a E 10 MEM OOPNE CO EN O O RAS 11 DUAL usadas 11 IPOD dae 12 Memory Pr
2. ics Backlight 8 e sya lt lt 16V Maximum ON 5 M Intercom ON Off 11 x Center off switch Isolate E Pilot Headphones 14 F e v if h Pilot Headphones 0 Copilot Headphones 13 s v ka r Copilot Headphones O PTT Button Pilot PTT 7 P A ty Pilot Mic 1 x A Pilot Mic PTT Button 7 CopilotP TT 6 2 2 ey P Copilot Mic 3 gt g E Copilot Mic 0 12345678 Notes When using Electret or Amplifield Dynamics you mustuse individual inputs 1 and 3 Do not 20000000 parallel more than one per input o booooco O DB15 FEMALE plug viewed Sneaker now has a separate negative lead do notground the speaker as damage will resultin from the rear wire side the radio speaker amplifier 9101112131415 22 000 uF 25V Electrolytic Capacitor MustBe Installed XCOM760 VHF Transceiver Pin Details Pin1 Electret Amplified Dynamic Pilot Mike Pin6 PTT Co Pilot Pin11 Pilot Isolate Pin2 Music AuxAudio Input Pin7 PTT Pilot Pin12 Negative Ground Pin3 Electret Amplified Dynamic Co Pilot Mike Pin8 LED Backlight 12V Pin 13 Headphone Output Co Pilot Pin 4 Speaker Output 8 16 Ohms Pin9 Positive 12 Volts Pin14 Headphone Output Pilot Pin5 Intercom ON ground to operate Pin 10 Positive 12 Volts Pin15 Speaker Output 8 16 Ohms Release 1 7 O XCOM Avionics 2005 www xcom 60 com Page 18 XCOM VHF Transceiver Specifications Subject to Change Approvals FCC FAA Finland CAA Tested to TSO C37d and C38d environmental DO 160D Rec
3. Emergency Frequency Press both and buttons together and you will automatically activate the emergency frequency 121 5 press the flip flop to exit Release 1 7 XCOM Avionics 2005 www xcom 60 com Page 7 The rear of the radio has O RS232 Port for future programming interface with external systems and additional external control over the radio DB15 pin plug for connection of the wiring harness BNC fitting for the antenna connection LCD Display TX Transmit Icon indicates that the unit is transmitting Note that after 30 TX RX DUAL WATCH LOW BATT MEM seconds default timeout the unit will T a ap uu a automatically cease transmitting to l i guard against a stuck or faulty PTT N switch ZN f TU RX Receive Icon indicates that a tf Signal is being received Note that if the f A 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 functions of the memory modes Please see below for additional explanation Middle Line Displays the active frequency Bottom line Displays the standby frequency and other status text Release 1 7 XCOM Avionics 2005 www xcom760 com Page 8 XCOM Installation T
4. To assist with installation custom harnesses may be ordered direct from the manufacturer If you decide to manufacture your own harness please refer to the web site for advice techniques and wiring diagrams to assist you The following are some basic tips to get you started e Use aircraft quality Tefzel wire This wire is specially manufactured for use in aircraft with high quality insulation which will not create harmful vapors in the event of a fire Use 18 gauge AWG wire for all power supply connections Use wide braided wire for the grounding strap connected to the unit case Other wires should be 22 gauge The antenna lead in wire should be made from 50 ohm coaxial cable Use high quality switches for toggle and PTT Use aviation quality headset and mike jacks these are available from most aviation suppliers or from our web site Release 1 7 XCOM Avionics 2005 www xcom 60 com Page 9 Antennas Correct operation of the transceiver requires a properly installed antenna suitable for the frequency range from 118 to 137 MHz On any new radio or antenna installation the VSWR of the aerial should be checked The antenna VSWR should preferably be no higher than 1 5 1 at the center of the aircraft COM band 127 2 MHz While no damage to the transceiver will occur with VSWR s of 3 1 some degradation in performance must be expected There is more information on antennas in the rear of this manual and on our website Radio Fre
5. transceiver on Depress for 2 seconds to turn the unit off 6 MODE Activates the various different modes See mode section below O MEM Accesses the 99 memory locations See memory operation sections below Flip Flop Transfer Press to transfer the bottom line to the top and vice versa The top frequency is the active transmit channel and the bottom line is the standby frequency The radio will not transmit on either the weather or extended receive channels Also used as escape from other screens O VOL SQH Default is transceiver volume Rotate the control to adjust the 4 a amp level between 0 and 63 The default for normal operation is 50 To activate the squelch press the knob in once and the word SSE Lin 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 O 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 returns to default These controls also adjust the intercom squelch and volume when using the mode buttons as described below F CH This control adjusts the standby frequency In normal use rotating the control adjusts the MHz value Press the control to adjust the kHz value After 3 seconds of inactivity the control will revert to MHz adjustment See AdjAct section on page 14 for additional information
6. 1651 Vantaa Reference Your request for Approval 7 2 2005 Ahti Panttaja TYPE APPROVAL CERTIFICATE Class Aviation VHF COM Transceiver Type xcom 760 Manufacturer A Alr Australia Pty Ltd Frequency Range MHz 118 137 RF Output Cy 5 5 nominal output Modulation BKOGASE Channel Spacing 25 Channels 760 Frequency Stability lt S0 ppm TECVITSO Reference Test report No 40327 2 EMC Technologies NZ Ltd Approval Requirements FUG Rules Part 27 amp 15 Remarks Transceiver has also VOR receiver 108 118 MHz not MAY operation The Finnish Author has established that fhe above mentioned radio transceiver meets al ihe radio technical reguiraments sel for this foe of radio equipment T hus Els granted foe 2oorovel based on raguiation 2003M The radio frenscelvers are apparead for use in aloral on the basis of a license given separately oy fhe Auf honty Conditions concerning Palo of he ivoe approva are given in regulation Ore ORs MW In addition fo tals ipe aoonvel ihe Avision Authority can se other fanns and rasinchons concerning alr safety The type approval charge ls 265 90 Euros LVM y 126 2002 Section 10 VranSliAacliOn Vis To SL a FL Pin 974 F 001A1 FO Sus 173 f 0018 Ker a Re ee E OO H l He singlors Finland Helse kl Finlane Fine th Commuricadic s lamererkztlu ta Oelerslaqatan 3 A Mora JA Rail Aathneity Hdl dial Hulsimytuoa Fie vad He siekl Fintan Pubelin 095 69 61 Teleton 4585 69 467 Telephone 355 9 69 5
7. 61 Faks 09 6366 410 Fax 358 gt 6966 410 Fax 35E 5 6465 479 Wwe Poot fi T THE OOS 1 2 Fa nurmmer OF 519 2 Business I 008016 2 Release 1 6 XCOM Avionics 2005 www xcom 60 com Page 22 EMC Technologies NZ Ltd Test Report No 40327 1 Report date 2 April 2004 6 COMPLIANCE STATEMENT ATTESTATION Testing of the Xcom 760 VHF Aircraft Transceiver complies with the Code of Federal Regulations CFR 47 Part 87 Aviation Services and CFR 47 Part 15 Radio Frequency Devices This report describes the tests and measurements performed for the purpose of determining compliance with the specification with the following conditions The client selected the test sample The report relates only to the sample tested This report does not contain corrections or erasures Measurement uncertainties 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 procedures that are consistent with industry or Commission standards and demonstrate that the equipment complies with the appropriate standards I further certify that the necessary measurements were made by EMC Technologies NZ Ltd 47 MacKelvie S
8. alue e GAIN Adjusts the microphone gain e PTT2 Selects the copilot PTT mode e INPUT Selects the line input mode O a O I r rn Enables or disables the adjustment of active frequency Exit setup at any time by pressing the button INT This selects the intercom on or off Default is on Option ON or OFF Disabling the intercom reduces power consumption by disabling the headset amplifier during normal use This is particularly useful when the unit is used in gliders or other battery powered installations When the Intercom is selected off the im tia and nm Sus modes do not appear in the MODE settings Rotate the F CH control to toggle the setting on or off SIDE This selects the sidetone on or off Default is on Option UM or UFF Disabling the sidetone reduces power consumption by disabling the headset amplifier during transmission This is particularly useful when the unit is used in gliders or other battery powered installations When Sidetone is selected off no voice is heard during transmission Release 1 7 O XCOM Avionics 2005 www xcom760 com Page 14 Sa IL Option GN or OFF r w NZ TS ma o a p STUL Option 10 to 90 Default 30 GAIN Option 10 to 63 Default 50 PITO Option Release 1 7 Rotate the F CH control to toggle the setting on or off This selects the noise blanker on or off Default is on The noise blanker provides additional noise filtering when the u
9. b to start memory scanning The number of channels scanned is determined by the ScanCH setting This can be altered in the MODE as detailed above Note that the Priority channel CH 0 is always scanned Setting a ScanCH value of 10 indicates that the first 10 memory channels will be scanned in addition to the Priority channel Stopping Memory Scan Pressing the F CH knob a second time will cease scanning Scanning will also be terminated if a PTT is pressed or if the MODE button is pressed Release 1 7 XCOM Avionics 2005 www xcom 60 com Page 13 Setup Options Introduction These advanced options should be modified only by experienced users Modification of these options affects the way in which the XCOM operates the features available and may affect the performance of the unit These options Should not be modified in flight Operation To access the setup screens turn the unit off using the ON button and while holding the DUAL and MODE buttons turn the unit back on using the ON button The current software version WEF will be displayed for a few seconds and then the unit will enter the setup mode The following setup modes are cycled by pressing the F CH knob e INT Enables or disables the intercom e SIDE Enables or disables sidetone e NB Enables or disables the noise blanker o HIVOLTS Sets the alarm value for hi volts o LOVOLTS Sets the alarm value for low volts e STUC Sets the stuck mike transmit timeout v
10. ce If you have any question please contact Mr Donald Nellis Spectrum Planning and International Office at 202 267 9779 Sincerely 4 Me ull George K Sakai Director ATC Spectrum Engineering Services Release 1 7 XCOM Avionics 2005 www xcom 60 com Page 20 TCB GRANT OF EQUIPMENT TCB AUTHORI ZATION Certification Issued Under the Authority of the Federal Communications Commission By Curtis Straus LLC Date of Grant 07 12 2004 527 Great Road Littleton MA 01460 Application dated 07 12 2004 United States X Air Australia 4 24 Lead Drive Leda Business Park Burleigh Heads Queensland 4220 Australia Attention Micheal Coates Company Director 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 QLDXCOMVHF Name of Grantee X Air Australia Equipment Class Licensed Non Broadcast Station Transmitter Notes VHF Aircraft Transceiver Frequency Output Frequency Grant Notes FCC Rule Parts Range MHZ acme 118 0 8 7 136 975 5 9 30 0 PM 6KOOA3E Power listed is at the antenna terminal 5 TG A mee gut Se A OS tr Release 1 7 O XCOM Avionics 2005 www xcom 60 com Page 21 Westntivirasto o ea TYPE APPROVAL CERTIFICATE Filial Cany na E ES lora AL bby No F105200007 Helsinki 15 2 2005 Finn Mesco Oy PL 10 0
11. during shipping The boxed contents are e One XCOM 760 VHF transceiver e User manual e DB15 solder plug and plastic back shell e Optional If you purchased the optional wiring harness it will be included in this package with installation instructions User Manual Please read and understand this manual BEFORE attempting to install and operate this transceiver The XCOM VHF 760 has many advanced features which if not properly 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 xcom 60 com select warranty registration Description The XCOM VHF 760 Transceiver has a 2 25 57mm face for fitting in a normal aircraft small instrument hole The case is 5 1 129mm long 2 4 61mm wide and 2 4 61mm high The unit is secured to the aircraft dashboard by 4 screws and is self supporting requiring no additional supports trays or brackets Release 1 7 XCOM Avionics 2005 www xcom 60 com Page 6 Front Panel Controls and Switches O DUAL Press once to activate dual receive capability The DUAL WATCH icon will be illuminated in the LCD Screen Press again to de activate ON Press for 1 second to turn the
12. e are 6 Modes INTVOL Intercom Volume Rotating the VOL SQH control will increase or decrease the intercom volume INTSQH Intercom Squelch Rotating the VOL SQH control will increase or decrease the intercom squelch VOR ON Receive VOR audio only This setting allows reception in the frequency range 108 to 117 975 MHz Push the F CH knob to toggle the option between On amp Off Rotating the F CH knob clockwise accesses the General Coverage option Release 1 7 XCOM Avionics 2005 www xcom 60 com Page 10 GEN ON General Coverage option is enabled This extends the receive range from 137 00 to 163 MHz The receive sensitivity is reduced above 150 MHz Above 137 MHz the radio will receive in FM rather than AM This enables monitoring of the popular Amateur 2 meter band and marine frequencies Push the F CH knob to toggle the option between on amp off Rotating the F CH knob anti clockwise will return to the VOR option screen VOLTS Shows the current voltage Rotating the F CH up or down will show the high volts set point and the low volts set point SIDEVOL Adjusts the level of sound you hear through the headsets when transmitting sidetone Generally this does not need to be adjusted from the factory default value SCANCH Adjusts the number of memory channels to scan when memory scanning is activated Note that the priority channel O 121 500 is always scanned MEM Press this button once to access the 99 memory channels The
13. eiver Class D Transmitter Class 4 Note transceiver was designed to these specifications and meets and complies with these but has not yet been submitted for official TSO testing 118 000 to 136 975 MHz 760 channels transmit and receive AM receiver sensitivity AM 118 136 975 MHz not less than 12 db SINAD for 1 5 uv 30 AM at 1 kHz audio 160 to 163 MHz NOAA weather channels receive 137 to 163 MHz general coverage receive receiver sensitivity FM 137 163 MHz Not less than 12 db SINAD for 0 7uv 3 3 kHz deviation at 1 kHz audio Typically 12dB SINAD E 0 5uv 108 to 117 975 VOR receive only audio no nav receiver sensitivity AM 108 117 975 MHz Not less than 12db SINAD for 2 0 uv 30 AM at 1 kHz audio 140 to 144 00 MHz CAP capable on request subject to FCC approval Quasi alphanumeric display 2 line backlight LCD Backlighting LCD display and 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 gt 100mv into 200 ohm Intercom 2 place voice activated vox with CD music input Auxiliary input for CD MP3 music system max 1 volt p p into 600 ohm Input v
14. er automatically switches to that frequency When the signal ceases the unit returns to the standby frequency and continues scanning the active Release 1 7 XCOM Avionics 2005 www xcom760 com Page 11 Transmission is only available on the active frequency so care must be taken not to attempt to reply to a signal received on the standby frequency To distinguish between signals received on the standby frequency the MHz kHz separator will flash No flashing will occur when receiving on the active frequency Note When receiving on the standby frequency a slight clicking sound may be heard intermittently This is the scanning sound as the transceiver momentarily checks the active frequency and is normal in this mode This also serves as an audio indication that any received station is on the standby frequency Holding the MODE button for 5 seconds while in the default screen will reset the unit back to factory default settings Memory channels will be retained but all other settings will revert to the factory defaults Upon successful reset the screen will Show RESET and the unit will turn off Turn the unit back on by pressing the ON button Flip Flop button Pressing this in the default screen will swap the active and standby frequencies When in MEM mode pressing and holding it down for 2 seconds will transfer the currently displayed memory channel to the active frequency in the default screen In all other instances this button se
15. erns may be difficult to predict and performance will be significantly reduced On metal aircraft with certain antennas it is necessary to remove the paint from the inner surface to provide a good metal to metal contact with the aircraft s skin On composite aircraft it is necessary to install a ground plane unless already installed by the aircraft manufacturer or unless using a dipole antenna Where the antenna requires a ground plane the ground plane should be at least 20 500mm diameter or larger Best performance will be gained with a large ground plane In composite aircraft it is generally possible to epoxy or RTV silicone a thin piece of aluminum sheet inside the structure to provide an adequate ground 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 prone to deformation and bending in flight and this impacts the tuned characteristics reducing performance of the radio installation The enclosed fiberglass antennas generally do not suffer this shortfall As a result many of the more expensive antennas provide far greater receive and transmission ranges due to their broad bandwid
16. et the value This setting determines the mode of operation of the copilot PTT switch The default is on O XCOM Avionics 2005 www xcom760 com Page 15 In a single place aircraft in helicopters or in aircraft where only one PTT switch is required the copilot PTT can be used to toggle active and standby frequencies in the default screen or to cycle through memory channels when in the MEM screen When the PTT2 setting is on the copilot PTT is active and when this setting is off the copilot PTT acts as a toggle switch Rotate the F CH control to toggle the setting On or OFF INPUT This setting determines the mode of operation of the line input SPAN audio The default is CD LO Or RAD The line input can be used as a second communication input or as a music or compact disc input When CD mode is selected the input volume will fade as the pilot or copilot talks and the input will be muted as a signal is received on the radio When Radio mode is selected this fade and mute feature is disabled Rotate the F CH control to toggle the setting to CD or RAD ABJACT This setting enables or disables the ability to adjust the active eben frequency directly in the default screen The default is off GN or 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 th
17. he XCOM 760 VHF Transceiver installation is straight forward and requires no special skills However installation of the wiring harness should be undertaken by a Suitably qualified person with the appropriate skills and test equipment It is our recommendation that installers purchase the factory manufactured wiring harness or that owners have a local avionics repair or maintenance facility install the XCOM 760 for you When positioning the radio ensure that the controls are within easy reach of the pilot and in a suitable viewing angle when the pilot is sitting and secured in the pilot s seat To mount the radio position the supplied template on your panel and when satisfied with the location drill and cut through the template in the marked positions The face hole is a standard 2 25 inches and the 4 securing holes are drilled 5 32 Please check behind your panel for other components which may be damaged during drilling The radio is mounted by insertion into the panel from the rear and is secured 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 have the unit installed professionally
18. is mode is enabled in the default screen pressing the F CH knob cycles adjustment of the frequencies between the following Standby MHz Standby kHz Kkz digit flashing Active frequency active frequency separator bar flashing Active MHz active MHz digit flashing Active kHz active kHz digit flashing After 3 seconds of inactivity the unit will revert to modification of the standby frequency Rotate the F CH control to toggle the setting on or off Antenna Information The XCOM 760 Transceiver is a state of the art product and requires a quality matched antenna to provide the best possible performance clarity and range Some of the most important considerations are the location of the antenna proper installation and high quality cable and connectors Release 1 7 XCOM Avionics 2005 www xcom760 com Page 16 The most suitable location for the antenna is generally on top of the aircraft in a location which can provide the best unobstructed line of sight view of the Surrounding areas The antenna should be positioned so as to provide the maximum clearance from obstacles and other antennas on the aircraft to limit reflection and cross talk interference In particular position the antenna as far as reasonably possible from high power transmitter aerials such as that of the transponder To provide the best performance from your antenna a suitable ground must be established Without an adequate ground transmission patt
19. ld you have any questions regarding the installation operation or performance of this product please visit our web site or email tech xcom760 com for a prompt reply Regards Michael Coates and the XCOM Team Please retain this manual for future reference Release 1 6 XCOM Avionics 2005 www xcom 60 com Page 26
20. ls on front panel Same volume squelch control but activated by mode button when required e 2 place voice activated intercom with pilot over ride and passenger pax isolate pax can listen to cd music while pilot listens to com Dual mode input line for cd or second com input Cd music has auto fade turns off if com is receiving and reduces in volume if pilot or pax talk Release 1 7 XCOM Avionics 2005 www xcom760 com Page 4 Remote toggle toggle active or standby or scroll memory channels via a push button on the stick only available when copilot PTT is not used Transmitter TX timeout stuck mic which turns off transmitter after 30 seconds user adjustable TX is re enabled by releasing and re pressing PTT 99 memory channels 10 NOAA 1 priority 121 500 and 88 user defined memory channels Memory channels scanning 10 preset NOAA weather channels suitable for USA only Dual Watch allows monitoring of the active frequency while listening on the Standby frequency The active frequency has priority User enabled wide receive mode allows monitoring of the VOR frequencies between 108 and 118 MHz the normal airband up to 137 MHz and then up to 163 MHZ in 25 kHz steps All frequencies when enabled can be stored in memory channels RS232 interface allowing control of radio functions and programming of memories Future revisions may allow upgrade of the internal firmware via internet download This feature to be int
21. memory channels are displayed with the channel number on the bottom line and stored frequency on the top When accessed for the first time the memory channel will show the priority or emergency frequency 121 500 MHz as this is stored as a factory default in memory location O 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 Channels 1 to 5 may be pre stored with tuning frequencies used when your radio underwent quality control and tuning These may be overwritten at any time While in the memory screen pressing the PTT will transmit on the current memory frequency Pressing and holding for 2 seconds will enter the memory programming mode see below Pressing momentarily will simply return you to the default screen with no memory channel loaded For details on how to program the memory channels please refer to the memory programming section below DUAL When in the default screen this button enables the dual watch function indicated by the DUAL WATCH icon When this function is active the transceiver will receive on the standby frequency and intermittently check the active frequency for activity If a signal is received on the active frequency the transceiv
22. nce under the demanding and noisy conditions experienced in many amateur built and light sport aircraft With low power consumption this radio is also ideally suited to use in gliders homebuilts and ultralights A full 6 watt carrier output ensures that you will be heard above the general chatter in busy airspace and the voice activated vox intercom with muting music 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 to listen to the Standby frequency while still monitoring the primary frequency The XCOM 760 also has 99 memory channels large volume and channel selector knobs and well spaced buttons This radio is extremely easy to operate even when wearing flight gloves and you can even check the condition of your battery with the built in voltage monitor Even at voltages as low as 10 volts the XCOM 760 is capable of delivering 2 watts of carrier with full modulation Software update capability and Internet downloads mean that you are always provided with the latest features Features Overview e Digital volume and squelch controls on front panel e Digital volume and vox intercom contro
23. nit is used in an electrically noisy environment such as a powered aircraft In battery only installations such as in gliders where electrical noise is limited addition power savings can be achieved by disabling noise blanking Rotate the F CH control to toggle the setting on or off This setting determines the point at which the LOW BATT icon begins to flash The default value is 14 5 volts If the power supply raises above this value the LOW BATT icon will illuminate and flash Rotate the F CH control to set the value This setting determines the point at which the 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 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 transmission This feature reduces the effect of a PTT switch or wiring failure by limiting the time that the unit can transmit continuously Rotate the F CH control to set the value This setting adjusts the microphone gain The default value will be set when the unit undergoes tuning prior to shipment and may vary slightly from unit to unit This setting should only be modified by a suitably qualified technician as transceiver performance will be affected Rotate the F CH control to s
24. ogrami unir ARTO 12 Hao TA 12 OPeraO Mimi aaa iaa 12 Clearing Memoria idad 13 MEMOS CaA tna 13 ALF OQUCUOM i cccesienniavdnadninetauninatidn cyan A r 13 Starting Memory SCAM risa io 13 Stopping Memory SCI uote 13 Setup ODUIONS ita AA ie 14 INTO UC Narro 14 OIO EE A E E E E aia 14 Antenna ANO FM Neural 16 Wiring Diagram Typical Installation ccc cccce cece cece eee eeeeeeeeseeeeeeseeneeesaeaes 18 XCOM VHF Transceiver Specifications Subject to Change ccceeceeeeeeeeeeees 19 DINO Template sara ta 24 NOS sia ias 25 Warranty Calanda as 26 Release 1 7 XCOM Avionics 2005 www xcom 60 com Page 3 Introduction Thank you for purchasing the XCOM 760 VHF Transceiver This manual describes the operation and installation of the product Should you have any questions that are not answered in this manual please contact XCOM Avionics in Australia on 61 7 5568 7770 or by email to tech xcom 60 com As this product is new there are continual developments and changes still being made so XCOM recommends checking the website for the latest edition of this manual The XCOM 760 VHF Transceiver is the second of several innovative avionics products to be released by XCOM Avionics Based on the features of the very successful Microair and Becker radios the XCOM 760 offers many advanced features previously only available in the more expensive brands Designed from the ground up in Australia the XCOM 760 offers superior performa
25. oltage 13 8 vdc 8 to 16 vdc recelve 10 0 volts transmit reduced output Current consumption lt 140ma receive muted with no intercom lt 2 5 amps transmit 2 2 amps transmit nominal Voltage alert low battery indication user definable default 10 5 vdc Voltage alert high battery indication user definable default 14 5 vdc Operating Temperature range 20 to 55 C emergency 40 to 85 C with reduced performance Speaker audio output 13 8 Vdc gt 3 Watts rms into 8 Ohms 10 thd RS232 programming port for downloading memory channels and operating parameters etc from a PC Also used for software upgrades Optional remote control module allows PTT operated frequency selection dual watch and memory channel operation Release 1 7 XCOM Avionics 2005 www xcom 60 com Page 19 Certification Q 800 Independence Ave SW U S Department Washington DC 20591 of Transportation Federal Aviation Administration JUL 0 8 2004 Mr Andy Leimer Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia Maryland 21046 Dear Mr Leimer The Federal Aviation Administration s ATC Spectrum 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 devi
26. quency Hazard Information Regulations require a safe working distance between the pilot copilot passengers or the general public of at least 68 cm 27 inches from the antenna location If an antenna gain of greater than 5 6 dBi is to be used the antenna manufacturer Should be contacted to determine the minimum safe distance Radio Ground Strap To prevent RF leakage into the radio ensure that the radio chassis is well grounded Use a wide braided wire for the ground strap connected to the unit case to ensure that a wide band of RF is grounded 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 turned on when the power was removed by turning off the aircraft avionics or master switch then when power is restored the unit will again Switch on If the unit was turned off when the power was removed then the unit will remain off when power Is re applied MODE This is the main menu button for selecting various user options and for displaying the voltage Mode selections are cycled by depressing the MODE button momentarily To return to standard operation press the Flip Flop button Ther
27. roduced 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 number of this manual is printed on the bottom of the pages for easy reference and the latest version can always be downloaded from the XCOM web site Please note that this manual is accurate for the software version denoted on the front cover page Features may vary between software versions and some features may not be available in all XCOM radios Manual Release Information June 2005 Updated to Software version 120 build 0034 Release Date Changes 1 0 January 04 Original draft of document 1 1 May 04 Release of manual to public 1 2 July 04 Addition of aerial safety information re FCC Request 1 3 July 04 Addition of certification approvals FCC and FAA 1 4 December 04 Addition of new features in manual release Version 120 software LS January 05 Fixed wrong number for Low Volts page 13 1 6 1 7 July 2005 Spelling and grammar changes Release 1 7 XCOM Avionics 2005 www xcom760 com Page 5 Package Contents The XCOM 760 is packed in an anti static bag for electrical protection and enclosed in foam within a cardboard box for protection
28. rves 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 software This section deals with the keypad entry method Refer to the xcomavionics com website for software downloads and RS232 interface details Operation To program the currently active frequency into a free memory channel simply press and hold the MEM button for 3 seconds while in the default screen The memory program screen will appear and the MEM icon will flash The display will show the frequency being entered and the first free memory channel If all memory channels are occupied then channel 1 will be selected and the currently stored frequency will be shown Press MEM again to overwrite the current frequency with the newly entered frequency The selected memory channel can be altered by rotating the F CH knob Ifa channel is already occupied the currently stored frequency will be shown To overwrite an occupied channel press the MEM button Channels 0 and 90 through Release 1 7 XCOM Avionics 2005 www xcom 60 com Page 12 99 cannot be selected as these are preset with the priority and NOAA weather frequencies respectively Pressing the F CH knob scrolls between memory channel selection and frequency adjustment The
29. selected item flashes to indicate adjustment Rotate the F CH knob to adjust the selected item up or down To store the frequency in the currently selected memory channel press and hold the MEM button for 2 seconds The display will show 5 Ya Ed to indicate successful entry To exit the memory programming screen press f Clearing Memories To erase all memory channels excluding the Priority and NOAA weather channels turn off the unit by holding the ON button for 2 seconds and then while holding the MEM button turn the unit on by pressing the ON button The display will show ERASED and then return to the default screen and all memory channels will be reset To clear individual channels enter memory programming mode and adjust the channel MHz value down below the lowest available 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 Sa Ed and the channel will be cleared To exit the memory programming screen press f Memory Scanning Introduction The XCOM 760 has 99 user programmable memory channels stored in non volatile memory These channels can be scanned sequentially Ifa Signal is received in a channel the scanning is paused Scanning resumes 3 seconds after the signal is lost Starting Memory Scan While viewing memories see MEM section above press the F CH kno
30. th characteristics Most antennas sold today are pre tuned to the middle of the aircraft frequency communications band Although they provide adequate performance these antennas are generally not optimum for every installation as the characteristics mentioned above vary in every aircraft We therefore recommended that a SWR test be performed at 118 000 MHz and 137 00 MHz and the antenna tuned to try and get the SWR reading as low as possible at both of these frequencies An ideal VSWR reading should be below 1 5 1 but any value up to 3 1 is still considered acceptable Finally try to keep the antenna cable as short as possible and keep it clear of other interference producing wiring such as electrical cables strobe supplies other antenna cables and the like Never coil excess cable always cut the antenna cable to the shortest possible length Release 1 7 XCOM Avionics 2005 www xcom 60 com Page 17 Wiring Diagram Typical Installation XCOM VHF760 TRANSCEIVER WIRING DIAGRAM Version 3 Issued August 2005 Copyright XCOM Avionics wWwuw xcomavionics com All wires 22 AWG except power and ground Pins Wire 18 AWG as 13 8V 9 10 lt lt O O 3A Fuse must be installed 22 000 uF 25V Electrolytic Capacitor Must Be Installed Ground 12 Wire 18 AWG H Speaker 15 i 4 A Music Input 2 H H s
31. treet Grey Lynn Auckland New Zealand h j p Andrew Cutler General Manager EMC Technologies NZ Ltd Release 1 6 XCOM Avionics 2005 www xcom760 com Page 23 Drilling Template aan NOTE Please check that this template has not oO changed size during printing Each radio shipped 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 Standard Cutout for XCOM Radio H 27 Drill 9 64 Drill 3 5 mm Drill lt gt 2 3125 Dia Release 1 6 XCOM Avionics 2005 www xcom 60 com Page 24 Notes Release 1 6 XCOM Avionics 2005 www xcom 60 com Page 25 Warranty Card Warranty Registration Card 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 Or fill in the online warranty card at http www xcom760 com Owners Name Address Email Details Country Model XCOM 760 VHF Serial No eat Supplier purchase PP To provide 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 Shou
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