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VAL Avionics COM 2KR, Installation And Operator'S Manual, Page: 10 / 27

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VAL Avionics COM 2KR Installation And Operator'S Manual Download Page 10

V A L   A V I O N I C S   L T D  

C O M   2 K R   –   R E M O T E   V H F   T R A N S C E I V E R  

I N S T A L L A T I O N   A N D   O P E R A T O R ’ S   M A N U A L  

 

Revision 3  

 

 

 

 

 

 

 

 

Page 10 of 27 

March 2013 

 

3 

SECTION III -

 OPERATION 

3.1 

GENERAL INFORMATION 

3.1.1 

Scope 

 
This section will provide detailed operating instructions for your new COM 2KR – 

Remote VHF Transceiver

.  

 
 All user interface functions are controlled by an external EFIS system over RS-232. Refer to your EFIS Systems 
manufacture’s installation and operations manuals for complete installation and operation information. 
 

Summary of Contents for COM 2KR

Page 1: ...VAL AVIONICS LTD COM 2KR Remote VHF Transceiver Installation and Operator s Manual Revision 3 March 2013 P N 172201 3 ...

Page 2: ...Page 2 of 27 March 2013 Revision History September 2012 Initial Printing December 2012 Updated Appendix B wiring diagram to show RS 232 connection Added dimensional drawings of COM 2KR case Figure 1 updated to current design Figure 3 4 Removed as they are no longer accurate March 2013 corrected typographical errors Corrected Table 4 Corrected Figure 3 ...

Page 3: ...2 4 2 Final Inspection 9 2 5 LIMITATIONS 9 3 SECTION III OPERATION 10 3 1 GENERAL INFORMATION 10 3 1 1 Scope 10 4 SECTION IV WARRANTY AND SERVICE 11 4 1 LIMITED WARRANTY 11 4 2 SERVICE 11 5 Appendix A INSTALLATION DRAWINGS AND CONNECTOR LAYOUT 12 6 Appendix B WIRING DIAGRAMS 14 7 Appendix C Certifications 15 7 1 FAA Acceptability 15 8 Appendix D INSTRUCTIONS FOR CONTINUED AIRWORTHINESS 16 8 1 MAIN...

Page 4: ...ll ensure proper installation and familiarize you with all of the features your COM has to offer 1 2 SCOPE This manual will provide detailed information about the installation and operation of the COM 2KR Remote VHF Transceiver It will also provide equipment limitation information and instructions for continued airworthiness 1 3 EQUIPMENT DESCRIPTION The COM 2KR has been designed for integration w...

Page 5: ...r a Class B receiver pursuant to Part 15 of the FCC rules as well as the emission requirements set forth in Part 87 of the FCC rules These limits are designed to provide reasonable protection against harmful interference when it is operated in an aircraft environment The unit generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions man...

Page 6: ...s 1 5 kg Mounting Ridged mounting no shock mounting required Temperature Range 30 to 55 Celsius with short time operations at 70 Celsius Power Requirements Voltage 11 0 to 30 0 VDC Current 0 5 Amp Rec 3 Amp max transmit Receiver VHF Frequency 118 00 to 136 975 MHz Sensitivity 2 µV to provide a 6dB S N N Channel Spacing 25 kHz Stability 002 Selectivity 60dB Audio output 5W to 4Ω Spk 50mW to 600Ω Ph...

Page 7: ...0800106 1 INSTALLATION KIT 651008 1 7 EQUIPMENT REQUIRED BUT NOT SUPPLIED Table 3 Equipment Not Supplied QTY DESCRIPTION PART NUMBER 1 Circuit Breaker 5 amp Potter Brumsfield PB W23 1 Aircraft Cabin Speaker Ref aircraft parts manual for specific part number 1 Contact Crimping Tool w Positioning Tool AMP P N 601966 1 AMP P N 601699 5 1 8 LICENSE REQUIREMENTS There is no licensing requirement to ope...

Page 8: ...ease feel free to contact Val Avionics Ltd to acquire the missing items 2 3 EQUIPMENT INSTALLATION PROCEDURES 2 3 1 Cooling Requirements Forced air cooling is not required for the COM 2K VHF Transceiver However when planning the location for mounting ensure adequate spacing from heat producing sources such as heating or defrosting ducts 2 3 2 Mounting Requirements The COM 2KR should be rigidly mou...

Page 9: ...enna 2 3 4 3 Audio The COM 2KR has two auxiliary audio inputs and two audio outputs Speaker audio and Headset audio In installations with two radio and or more audio devices it is strongly recommended that these audios be coupled to a quality audio selector panel 2 4 POST INSTALLATION CHECK 2 4 1 Operational Check Refer to section three of this manual Check all functions of the COM 2KR for proper ...

Page 10: ...3 3 SECTION III OPERATION 3 1 GENERAL INFORMATION 3 1 1 Scope This section will provide detailed operating instructions for your new COM 2KR Remote VHF Transceiver All user interface functions are controlled by an external EFIS system over RS 232 Refer to your EFIS Systems manufacture s installation and operations manuals for complete installation and operation information ...

Page 11: ... not in accordance with factory instructions accident or negligent damage alterations of any manner and repair by other than the factory the repairs will not be covered under the warranty In such cases an estimate will be submitted for approval before repair is initiated In most cases Val avionics Ltd will provide one week turn around on its warranty and repair service We recommend that contact be...

Page 12: ...M O T E V H F T R A N S C E I V E R I N S T A L L A T I O N A N D O P E R A T O R S M A N U A L Revision 3 Page 12 of 27 March 2013 5 Appendix A INSTALLATION DRAWINGS AND CONNECTOR LAYOUT Figure 1 Physical Dimensions Figure 2 P1 Connector Pin Out ...

Page 13: ... A L Revision 3 Page 13 of 27 March 2013 Table 4 Rear Connector Pin Functions Pin Functoin I O 1 RS 232 In Input 2 Aux In 2 Input 3 Speaker Ground 4 Headphone Ground 5 Mic Ground 6 Key Input 7 Main Ground Input 8 Main Power Input 9 RS 232 Out Output 10 Aux In 1 Input 11 Speaker Output 12 Headphone Output 13 Mic Audio Input 14 NC 15 NC ...

Page 14: ...S L T D C O M 2 K R R E M O T E V H F T R A N S C E I V E R I N S T A L L A T I O N A N D O P E R A T O R S M A N U A L Revision 3 Page 14 of 27 March 2013 6 Appendix B WIRING DIAGRAMS Figure 3 COM 2K Basic Wiring Diagram ...

Page 15: ...I V E R I N S T A L L A T I O N A N D O P E R A T O R S M A N U A L Revision 3 Page 15 of 27 March 2013 7 Appendix C Certifications 7 1 FAA Acceptability This device has been tested and found to meet the specification of TSO C169a RTCA DO 186B DO 160E DO 178B DO 254 ...

Page 16: ...13 8 Appendix D INSTRUCTIONS FOR CONTINUED AIRWORTHINESS 8 1 MAINTENANCE INSTRUCTIONS Maintenance of the COM 2KR Remote VHF Transceiver is on condition only No periodic maintenance is required If unit is found to be out of calibration send unit in for service If unit is removed for service upon re installation perform Post Installation check as described in section 2 4 of this manual ...

Page 17: ...messages are supported Request data output Set active COM frequency data from a remote source Set standby COM frequency data from a remote source Set COM Volume and Squelch Level Set COM Mic Gain and Sidetone 9 2 Output Messages The COM 2000 COM 2KR output messages include Reset status Communications Error COM Receiver status COM audio mode COM microcontroller software version COM Volume and Squel...

Page 18: ...ifier two digit number in ASCII characters d d Message data characters defined for each message chksum Message checksum including message identifier through data characters The two digit checksum is generated by adding all values of valid characters together ignoring carry if any This value is converted into two encoded hex1 characters 30h 3Fh CR ASCII carriage return 0Dh LF ASCII line feed 0Ah Th...

Page 19: ...atedly at low speed 1 Hz H output repeatedly at high speed 10 Hz ii Output Dd Data Description a 20 Reset Status 00 0 21 CDI GSI and Flags 00 0 L H 22 Decoded OBS Setting 00 0 L H 23 Radial from Active VOR 00 0 L 28 Receiver Status 00 0 30 NAV Microntroller Software Version 00 0 32 ADC Data Output cc ADC channel 00 to 08 0 35 Comm Transceiver Status 00 0 36 Comm Software Version 00 0 71 Comm Volum...

Page 20: ...Y AND RECEIVER FUNCTION This message is used to set the standby VOR or Localizer frequency as well as the receiver operating function The INS 429 can detect if the supplied frequency corresponds to a VOR or a Localizer channel so this command will work for both types of NAV aids Message format V Message class This is a VHF NAV message 28 Message identifier mk Standby VOR LOC frequency m desired fr...

Page 21: ... kHz Note The COM 2000 will check input frequencies for validity An RS 232 serial error message output will be generated if the frequency is invalid SET ACTIVE COMM FREQUENCY AND TRANSCEIVER FUNCTION This message is used to set the Active COMM frequency as well as he COMM transceiver function This message is only available in normal mode Message format V Message class This is a VHF NAV message 42 ...

Page 22: ...at V Message class VHF NAV Message 71 Message Identifier vs Volume level and Squelch Level v Desired volume level in encoded hexadecimal where v desired level 0x30 with a range between 0 20 0 being muted s Desired squelch level in encoded hexadecimal where s desired level 0x30 with a range between 0 20 0 being off Example Message PMRRV71 chksum CR LF This example command would set the volume level...

Page 23: ...indicates no deflection and 100 indicates full right deflection gg GSI deflection An eight bit value indicating the amount of deflection of the GSI needle represented as two encoded hexXX digits The CDI deflection is a twos complement signed integer in the range of 100 to 100 100 indicates full deflection upwards 0 indicates no reflection and 100 indicates full deflection downwards ff Flags Eight ...

Page 24: ...tifier v Valid flag 0 OBS invalid not present V OBS setting is valid ddd Three digit OBS setting in degrees Values are in the range of 000 to 359 Example message PMRRV22V170 chksm CR LF A valid OBS setting of 170 degrees RADIAL FROM ACTIVE VOR This message outputs the current bearing from the active VOR station This message will be output even when a localizer is being tracked by the NAV receiver ...

Page 25: ...entifier mk Standby NAV frequency m MHz where m 30h desired MHz frequency in the range of 108 to 117 MHz k desired frequency 25 kHz 30h with desired frequency in range of 000 to 975 kHz in 50 kHz steps s Status N Normal mode M Monitor mode Example message PMRRV28E4 PM chksm CR LF Active NAV frequency is 117 100 MHz Standby NAV frequency is 111 800 MHz receiver is in monitor mode NAV MICROCONTROLLE...

Page 26: ...SION This message is used to output the version string for the VHF COM receiver software Message format V Message class This is a VHF NAV message 36 Message identifier vvvv Software version in ASCII Example message PMRRV300103 chksm CR LF COM software is version 1 03 VOLUME AND SQUELCH SETTING This command is sent anytime there is a change in either the volume or squelch settings or is requested b...

Page 27: ...ge format V Message class VHF NAV Message 72 Message Identifier ms Volume level and Squelch Level m mic gain level in encoded hexadecimal where m desired level 0x30 with a range between 1 20 s sidetone level in encoded hexadecimal where s desired level 0x30 with a range between 1 20 Example Message PMRRV72 chksum CR LF This example command shows the mic gain level at 11 and the sidetone at 15 ...

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