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TFM-556 Installation and Operating Instructions

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1. 11 Amps 12 Bus Voltage 13 Fuel 14 Nt 15 TOT 16 Torque 17 Annunciators 18 Digital Clock 19 Oil Pressure 20 DME 1 amp 2 Low Band and Mid Band TFM 556 Installation amp Operating Instructions A 9 TiL O3RE328 Rev n c Issue 2 TECHNISONIC INDUSTRIES LIMITED www til ca STEP SYSTEM PASS FAIL NOTES NOTES TFM 556 Installation amp Operating Instructions A 10 TiL O3RE328 Rev n c Issue 2 Technisonic Industries Limited 240 Traders Blvd Mississauga ON Canada L4Z 1W7 Tel 905 890 2113 Fax 905 890 5338 IMPORTANT WARRANTY All communication equipment manufactured by Technisonic Industries Limited is warranted to be free of defects in Material or Workmanship under normal use for a period of one year from Date of Purchase by the end user Warranty will only apply to equipment installed by a factory approved and or authorized facility in accordance with Technisonic published installation instructions Equipment falling under the following is not covered by warranty e equipment that has been repaired or altered in any way as to affect performance e equipment that has been subject to improper installation e equipment that has been used for purposes other than intended e equipment that has been involved in any accident fire flood immersion o
2. Ti TFM 556 LS VHF High VHF Low UHF MULTI BAND FM AIRBORNE TRANSCEIVER Installation and Operating Instructions TiL Document No O3RE328 Revision N C Issue 2 SEPTEMBER 2003 Technisonic Industries Limited 240 Traders Boulevard Mississauga Ontario L4Z 1W7 Tel 905 890 2113 Fax 905 890 5338 www til ca Copyright by Technisonic Industries Limited All rights reserved REVISION HISTORY O3RE328 I SECTION REV PAGE DESCRIPTION DATE EDITED BY REV n c SEP 2003 issue 1 SEP 2003 New document template Title page changed SE Sagal Added Headers Footers Rev page Warranty pg 3 4 3 5 Split Fig 3 2 to make it bigger easier to read amp change item 1 TFM 550 to TFM 556 APR 2012 FM CAUTION STATIC SENSITIVE A This unit contains static sensitive devices Wear a grounded wrist strap and or conductive Ae gloves when handling printed circuit boards FCC COMPLIANCE INFORMATION This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction man
3. CONNECT TO THE APPROPRIATE AIRCRAFT DIMMING BUSS CONNECT TO THE AIRCRAFT AUDIO SYSTEM OR STAND ALONE HEADSET JACKS INSTALLATION OF TRANSCEIVER IAW AC 43 13 1B CHAPTER 4 SECTION 4 AND AC 43 13 2A CHAPTER 2 PR 3 1 2 DZUS RAIL OR EQUIVALENT MAY BE USED TEST THE SYSTEM IN ACCORDANCE WITH THE POST INSTALLATION TEST PROCEDURE IN THE INSTALLATION AND OPERATING INSTRUCTIONS MANUAL REFER TO THE AIRCRAFT STRUCTURAL REPAIR MANUAL AND THE MAINTENANCE MANUAL FOR INSTRUCTIONS AND INFORMATION PERTINENT TO THIS INSTALLATION THE USE OF RED DISPLAYS SHOULD BE MINIMIZED OR AVOIDED SO AS NOT TO DETRACT FROM THE ATTENTION GETTING CHARACTERISTICS NEEDED IN WARNING AND CAUTION ANNUNCIATORS RED SHOULD BE USED TO ANNUNCIATE EMERGENCY CONDITIONS REQUIRING IMMEDIATE RESPONSE BY THE FLIGHT CREW UNITS WITH RED DISPLAYS SHOULD NOT BE LOCATED IN CLOSE PROXIMITY TO WARNING AND CAUTION ANNUNCIATORS THE INSTALLATION OF UNITS WITH RED DISPLAYS MUST BE EVALUATED ON A CASE BY CASE BASIS TO ENSURE THAT THE EFFECTIVENESS OF THE WARNING AND CAUTION ANNUNCIATORS IS NOT ADVERSELY AFFECTED ONLY USED IF THE TRANSCEIVER WILL BE OPERATED IN DUAL MODE OPERATION OF 2 BANDS INDEPENDENTLY INSTALL ANTENNA TUNER AND ANTENNA TUNER CONTROLLER IAW AC 43 13 1B CHAPTER 4 SECTION 4 AND AC 43 13 2A CHAPTER 2 REFER TO ANTENNA TUNER AND ANTENNA TUNER CONTROLLER INSTALLATION MANUALS FOR MORE DETAILED INSTRUCTIONS PPP PPP zb ek wk o o A LA X SE e pp FIGURE 3 2 Wiring conn
4. 2 Press the FUNC key The display will show the function prompt 3 Press the PROG key The display will show the current receive frequency with a flashing curser on the first or second digit The first digit is always a one lt 1 gt on the VHF band and there is no hundreds digit on the VHF LOW band 4 Type in the desired receive frequency If you type in a frequency which is not a 2 5 kHz step the nearest valid frequency will be automatically selected 5 The curser will return to the second digit You can retype the frequency if you have made an error or press ENTER to continue 6 The transmit frequency will be displayed with the curser on the second digit Follow the same method as in step 4 and 5 7 The channel spacing increment of either 25 0 or 12 5 kHz is now displayed Use the M UP and M DN keys to select the desired channel spacing for the memory position then press ENTER 8 The alpha numeric title is now displayed Use the M UP and M DN keys to scroll through the alphabet numbers and symbols When the desired character is displayed press ENTER to advance to the next character Press 1 to backspace 9 Keep repeating step six until the last space is set there are 9 characters The display will show SCAN or LOCKOUT to enable this memory position as part of a scan list or lock it out of the scan lists Use the 1 2 3 4 5 and M DN keys to toggle between these functions for details see paragraph 2 5 Once the desired conditi
5. TX VCO P4 S S 1 J1 b 6 4 C72 r 7 1 cgi 7 1 1 1 WIDE BAND 3 jer ct R s DEVIATION ADJUSTMENT m2 e E sj WI TE x R36 R334 en 132 INDUSTRIES LC LIMITED RIT Bo ASSY 943167 CF1 ua 2 33 REV RX vco Zwe g L P R102 8 7 E T P2 NARROW BAND C U e L40 i E ret 134 1 R98 R100 2 1 NET 2 9 E C6 UHF Receiver Transmitter PCB Module Notes R11 is for 25 kHz wide band Deviation Adjustment R102 is for 12 5 kHz narrowband Deviation Adjustment FIGURE 3 6 UHF Deviation Adjustment Potentiometer Location TFM 556 Installation amp Operating Instructions TiL OS3RE328 Rev n c Issue 2 3 12 WIDE BAND DEVIATION ADJUSTMENT NARROW BAND DEVIATION 1 TECHNISONIC INDUSTRIES LIMITED www til ca SERIAL 9697844 O Le oF Cts Ce Co S d Be bs U e L n r1 CH ei SC m LES REC OINIISINH231 ADJUSTMENT VHF LOW Band Receiver Transmitter PCB Module Notes R21 is for 25 kHz wide band Deviation Adjustment R16 is for 12 5 kHz narrowband Deviation Adjustment FIGURE 3 7 VHF LOW Deviation Adjustment Potentiometer Location TFM 556 Installation amp Operating Instructions TiL O3RE328 Rev n c Issue 2 3 13 TECHNISONIC INDUSTRIES LIMITED www til ca 3 12 TRANSMITTER DEVIATION ADJUSTMENT continued VHF LOW 1 Remove the top cover of the transceiver 2 Set the VLO operating frequency to 77 000 MHz and connect an appropriate test receiver to
6. Re adjust R30 or R76 as required if the deviation exceeds 5 kHz or 2 5 kHz respectively 7 Replace the bottom cover continues TFM 556 Installation amp Operating Instructions TiL O3RE328 Rev n c Issue 2 3 10 TECHNISONIC INDUSTRIES LIMITED www til ca c 7 V a Ge ON Dm Se C43 Sa C36 Zeg C44 DEVIATION E e ADJUSTMENT D aan L31 INDUSTRIES Y1 NARROW BAND DEVIATION ADJUSTMENT VHF Receiver Transmitter PCB Module Notes R30 is for 25 kHz wide band Deviation Adjustment R76 is for 12 5 kHz narrowband Deviation Adjustment FIGURE 3 5 VHF Deviation Adjustment Potentiometer Location TFM 556 Installation amp Operating Instructions TiL O3RE328 Rev n c Issue 2 3 11 TECHNISONIC INDUSTRIES LIMITED www til ca wu C24 IS X A wo R16 RA Q5 of C31 B A R10 DO o4 L 8 S d Ss E 22032 iig RB p S d 7 S Ut eu C35 5 L43 L18 c45 C54 E T3 S C33 C55 1 2 3 E sl 2 xs C5 LAYOUT L24 SS 949506R cte v2 m2 a R26 R35 C46 C49 24 v soz OQ g I x z E E 5 XL ki JS e BA L7 SC Q S C115 WEI IPs Q2 1235 uge e L6 e Lu VAN sun SE afp a iQ th wi R TP1 T WO jer 4
7. LTD 1 3 7274 11 5 CIRCUIT BREAKER 5 AMPS KLUXON 1 4 AT 403 ANTENNA UHF TECHNISONIC INDUSTRIES LTD 1 5 ATC 550 ANTENNA TUNER CONTROLLER TECHNISONIC INDUSTRIES LTD 1 6 FLX 6688B ANTENNA AND TUNER SYSTEM FOXTRONICS INCORPORATED 1 7 7274 11 2 CIRCUIT BREAKER 2 AMPS KLUXON 1 8 PLF 250 OPTIONAL POWER LINE FILTER TECHNISONIC INDUSTRIES LTD NOTES 1 ALL WIRE IAW MIL W 22759 UNLESS OTHERWISE SPECIFIED 2 ALL CABLE IAW MIL C 27500 UNLESS OTHERWISE SPECIFIED 3 COAXIAL CABLE IAW MIL C 17 UNLESS OTHERWISE SPECIFIED DO NOT USE COAX WITH PVC INSULATION 4 FABRICATION amp INSTALLATION OF WIRING HARNESS IAW AC 43 13 1B CHAPTER 11 5 GROUNDING AND BONDING IAW AC 43 13 1B CHAPTER 11 SECTION 15 6 ALL SINGLE WIRE TO BE 22 AWG MINIMUM AND ALL SHIELDED WIRES TO BE 24 AWG MINIMUM UNLESS OTHERWISE SPECIFIED A INSTALLATION OF ANTENNA IAW AC 43 13 1B CHAPTER 4 SECTION 4 CHAPTERS 6 amp 7 AND AC 43 13 2A CHAPTER 3 IF POSSIBLE THE ANTENNA SHOULD BE LOCATED A MINIMUM OF 12 FT FROM AIRCRAFT NAVIGATION RECEIVER ANTENNAS AND A MINIMUM OF 4 FEET FROM AIRCRAFT COMMUNICATIONS AND ELT ANTENNAS BE CAREFUL NOT TO CHOSE SEPARATIONS THAT CLOSELY APROXIMATE 1 4 OR 1 2 OR WHOLE NUMBER MULTIPLES OF THE NAVIGATION OR COMMUNICATIONS SYSTEM WAVELENGTH AN EQUIVALENT CIRCUIT BREAKER OR FUSE MAY BE USED THE MEMORY UP DOWN PUSH BUTTONS ARE OPTIONAL THE TFM 556 IS AVAILABLE WITH 28V OR 5V PANEL LIGHTING CHECK THE CONFIGURATION CONTROL LABEL FOR THE CORRECT VOLTAGE
8. site www til ca for the latest issue of available STCs and letter of authorization for use TECHNISONIC INDUSTRIES LIMITED www til ca TABLE OF CONTENTS SECTION TITLE PAGE SECTION 1 GENERAL DESCRIPTION 1 1 INTRODUCTION pepe 1 1 1 2 DESCRIPTION i2isisessesetaiginosias sigsnige EES cad ecacs s gs SEENEN EEN ee serien E nE gni 1 1 1 3 PURPOSE OF EQUIPMENT iesen edd Paare te lenses ssreieteborebstieierniotsinsenetereres el 1 1 1 4 MODEL VARIATION ptm 1 1 1 5 TECHNICAL CHARACTERISTICS cases apu etae pau tu rege Pn REN oet ahhh can dee SEN 1 2 SECTION 2 OPERATING INSTRUCTIONS 2 1 FEATURE S eege tite ra ee sj ja a jaja AE sa ge tales ee ala rear TE are aE bene eler ie ere AE AEA 2 1 2 2 OPERATING INSTRUCTIONS csiscassectensteteiescna robert rn bo rentrer RI EK SE SES rentre dee 2 3 2 3 PROGRAMMING INSTRUCTIONS 524506 cece 50550 IH mememesesee sehen 2 4 2 4 PRIORITY AND SELECTIVE MEMORY CHANNEL SCANNING enm 2 4 2 5 SCANNING FUNCTION rrt eu aa bea pe eR eo EE E rhR RI RR D Ee ais 2 b 2 6 DIRECT FREQUENCY ENTRY MODE ssss IH mene emen eene 2 b 2 7 RECEIVE FREQUENCY SIMPLEX FUNCTION ssseII Hmm 2 5 2 8 KEYBOARD LOCKOUT FUNCTION sorsterst nsssns nes salsesssonkes seen net sekter aieia 2 6 2 9 VARIABLE FREQUENCY MODE FUNCTION oberteseesssersssarserssersserrsrersrerrr rer r rer arr rer nad 2 6 2 10 LED DISPLAY VARIABLE DIMMING MODE sess 2 6 2 11 90 SECOND TRANSMITTER TIMEOUT FEATU
9. the RF output connector Ensure that the output of the transceiver is terminated into a proper dummy load 3 Key the transmitter and input a 10 dBm 2 5 VRMS 2 5 kHz audio signal into microphone input 1 4 Adjust the wide band deviation limit potentiometer R21 on the VLO Rx Tx module see Figure 3 7 to produce a 4 20 kHz deviation Select narrow band mode on the VHF band and adjust the narrowband deviation limit potentiometer R16 on the VHF Rx Tx module to produce a 2 10 kHz deviation 5 Verify that the deviation does not exceed 5 kHz for wide band and 2 5 kHz for narrowband on 66 000 MHz and 88 000 MHz Re adjust R21 or R16 as required if the deviation exceeds 5 kHz or 2 5 kHz respectively 6 Replace the top cover TFM 556 Installation amp Operating Instructions TiL O3RE328 Rev n c Issue 2 3 14 TECHNISONIC INDUSTRIES LIMITED www til ca APPENDIX POST INSTALLATION EMI TEST PURPOSE The purpose of this test is to identify any interference that the TFM 556 may cause with existing aircraft systems As the TFM 556 installation may include the ATC 550 antenna tuner controller this test as required will also identify any interference caused by the ATC 550 TEST CONDITIONS The TFM 556 transceiver and any accessories e g RC 550 ATC 550 should be installed and function tested The antenna VSWR should be checked A forward reverse power check with a in line wattmeter should show no more than 10 r
10. transceiver and use the following frequencies 403 000 MHz 457 000 MHz and 512 000 MHz TFM 556 Installation amp Operating Instructions TiL O3RE328 Rev n c Issue 2 3 8 TECHNISONIC INDUSTRIES LIMITED www til ca FIGURE 3 4 External Adjustment Access Holes TFM 556 Installation amp Operating Instructions TiL O3RE328 Rev n c Issue 2 3 9 TECHNISONIC INDUSTRIES LIMITED www til ca 3 11 SQUELCH ADJUSTMENT The squelch on all receivers is factory set to open at approximately 22 dB SINAD This adjustment can be made or altered to suit local conditions as follows 1 Set the receiver to 157 000 MHz for VHF 457 000 MHz for UHF or 41 MHz for VHF Low band Connect a signal generator to the antenna input of the desired band Set the signal generator to produce a 3 kHz deviation with a 1 kHz tone on 157 000 MHz 457 000 MHz or 41 000 MHz Increase the signal generator RF level from 0 1 uV until the squelch indicator LED is on Verify the squelch opens at the desired level If not re adjust receiver squelch potentiometer through the access hole located on the bottom of the transceiver chassis see Figure 3 4 3 12 TRANSMITTER DEVIATION ADJUSTMENT VHF 1 Remove the bottom cover of the transceiver 2 Set the VHF operating frequency to 157 000 MHz and connect an appropriate test receiver to the RF output connector Ensure that the output of the transceiver is terminated into a proper dummy load 3 Key the transmitter and inpu
11. with a Tx Frequency Rx Frequency b Tx Rx CTCSS tone or DPL code c 9 character alpha numeric title All CTCSS tones available All standard DPL codes All standard DTMF tones 0 5 Watts into 600 ohms 2 5 Watts min into 4 ohms 28 Volts standard or 5 Volts specify Green standard or Red specify TiL O3RE328 Rev n c Issue 2 TECHNISONIC INDUSTRIES LIMITED www til ca TECHNICAL CHARACTERISTICS continued VHF RECEIVER FM Sensitivity at 12 dB SINAD AM Sensitivity at 12 dB SINAD Adjacent Channel Selectivity Spurious Attenuation Third Order Intermodulation Image Attenuation FM Acceptance Hum and Noise Audio Distortion Antenna Conducted Emission UHF RECEIVER Sensitivity at 12 dB SINAD Adjacent Channel Selectivity Spurious Attenuation Third Order Intermodulation Image Attenuation FM Acceptance Hum and Noise Audio Distortion Antenna Conducted Emission VHF LOW RECEIVER All specifications identical to VHF receiver TFM 556 Installation amp Operating Instructions 1 3 Better than 0 35 uV Better than 1 50 uV 75 dB 25 kHz 70 dB 12 5 kHz 90 dB 70 dB 80 dB 6 kHz Better than 45 dB less than 5 less than 70 dBm Better than 0 35 uV 70 dB 25 kHz 60 dB 12 5 kHz 80 dB 70 dB 60 dB 6 kHz Better than 40 dB less than 5 less than 70 dBm TiL O3RE328 Rev n c Issue 2 TECHNISONIC INDUSTRIES LIMITED www til ca TECHNICAL CHARACTERISTICS cont
12. 8 Volt back lighting TFM 556 P N 031219 1 5V GREEN display with 5 Volt back lighting TFM 556 P N 031219 2 RED display with 28 Volt back lighting TFM 556 P N 031219 2 5V RED display with 5 Volt back lighting P N s 991101 1 991101 2 and 991101 1 NV are always provided with 28 Volt back lighting unless a specific request is made for 5 Volt AC operation TFM 556 Installation amp Operating Instructions TiL O3RE328 Rev n c Issue 2 1 1 TECHNISONIC INDUSTRIES LIMITED www til ca TECHNICAL CHARACTERISTICS Specification GENERAL Model Designation Frequency Ranges Tuning Increments Operating Modes Channel Spacing Physical Dimensions including heatsink Weight Mounting Operating Temperature Range Power Requirement Voltage Current Frequency Selection CTCSS squelch encoder FM DPL digital squelch encoder FM DTMF encoder Audio Outputs Speaker Output Back Lighting Display Colour DPL is a trademark of Motorola Corporation TFM 556 Installation amp Operating Instructions Characteristic TFM 556 66 to 88 138 to 174 and 403 to 512 MHz 2 5 kHz F3E simplex or semi duplex 25 or 12 5 kHz Approx 8 0 X 3 75 X 5 75 Approx 5 1 Lbs 2 3 Kg Panel Mount via Dzus fasteners 45 C to 70 C 28 0 Vdc 15 Receive 1 2 A Max 1 Watt Transmit 2 2 A Max 8 10 Watt Transmit 3 4 A Max 8 10 Watt Dual Transmit 5 A Max 200 memories per band programmed
13. G S 2 TFM 556 FAIL 334 7 108 1 66 9400 334 7 108 1 83 6750 334 7 108 1 167 3500 NOTES E Operate the TFM 556 transmitter on the following frequency for at least 20 seconds Observe the Transponder for any spurious replies or loss of reply to test set FREQUENCIES TRANSPONDER 1 TRANSPONDER 2 TFM 556 85 0000 MHz 85 8350 MHz 171 6650 MHz 171 6700 MHz NOTES TFM 556 Installation amp Operating Instructions TiL O3RE328 Rev n c Issue 2 A 5 TECHNISONIC INDUSTRIES LIMITED www til ca F Modulate the TFM 556 transmitter on the following frequencies for at least 20 seconds Observe the DME displays Look for loss of distance information on the display FREQUENCIES DME 1 978 108 0 978 108 0 978 108 0 1020 112 1 1020 112 1 1020 112 1 RESULTS FAIL DME 2 978 108 0 978 108 0 978 108 0 1020 112 1 1020 112 1 1020 112 1 FAIL NOTES TFM 556 Installation amp Operating Instructions A 6 TiL O3RE328 Rev n c Issue 2 TECHNISONIC INDUSTRIES LIMITED www til ca While turning the ATC 550 on and off as often as required listen for any noise or detected audio signals on the HF receiver audio Frequencies RESULTS HF 1 PASS FAIL 16 MHz Frequencies RESULTS HF 2 PASS FAIL 16 MHz NOTE For the following tests select a frequency at the top middle and bottom of each band of the TFM 556 transceiv
14. RE eH 2 6 2 12 PROGRAMMING CTCSS TONES AND DPL CODES cece eee enne 2 6 2 13 CROSS BAND REPEAT scicsccadstatsseioesssnadsceteastennd Rr rhe sre e en dees erences chee SEENEN SEN 2 8 2 14 PC MEMORY PROGRAMMING DOWNLOAD CAPABILITY seen 2 8 SECTION 3 INSTALLATION INSTRUCTIONS 3 1 elder 3 1 3 2 EQUIPMENT PACKING LOG 2 0 cece aetna eae a a ren 3 1 3 3 TRANSCEIVER INSTALLATION dosorresrssersserasersseerererererrrrrrr reser sr resans rr KKR KKR rrt 3 1 3 4 INSTALLATION KIT CONTENTS b srrerreserssersserssoerenereserrrerrrr memini enne eterne 3 1 3 5 ANTENNA INSTALLATION 00 0 0 ccc rer err rr rr ehh tene tenerte nens 3 1 3 6 INSTALLATION PIN LOCATIONS AND CONNECTIONS sese 3 1 3 7 WIRING INSTRUCTIONS s erdege e dee e ege deed Sa ER ERE dan ar n da OR SA SR sa DR N SANS 3 6 3 7 1 Main Power 28VDC ccc de ske ale bye aja ka aja ju ehe senis enin s esee nne nnn 3 6 3 7 2 Mair Ground sades een dena seine Re EEE AE ER f EE NE G KE ER EA a dilaton a n DEENEN dee eels NE RES 3 6 3 7 3 PTT Ground Keying sssicistersidtetsrsdessp rsissstasioransnbosestonesenios E EEA ECEE ES 3 6 3 7 4 Front Panel Back Lighting s isoisessisnsssssisesososisksnnensssennenssneneesesnerensssenRs as Ener ARA 3 6 3 7 5 Audio Outputs 600 and 4 Ohms sia sans args sas ses re f ra re menm 3 6 3 7 0 Audio Output Ground 4 bred sve soca ege SE EES e AE Ae ba Ae Aer Are AR ER 3 6 3 7 7 Mic Si
15. TR NSKI VE INDICATES SELECTED MEMORY CHANNEL USER DEF ALPHANUMERIC DIE F ge KSE We FERAE a roe NI CATES NARROW BAND Exi INDICA CATES k IER FREQU R Wi BEN SIGNAL en CHANNEL SPACING TT INDICA SMT FREQUENCY WITH TONE INDICATES TONE FOR SELECTED BAND UHF RECEIVER SQUELCH INDICATOR UGHTS WHEN SIGNAL RECEIVED mr DISPLAY 1 INDIC TES VHF STATUS DNE 2 INDICATES UHF STATUS LINE 3 INDICATES VHFLO STATUS VHFLO RECEIVER SOVELGH INDICATOR LINE 4 INDICATES SELECTED BAND STATUS LIGHTS WHEN SIGNAL RECEIVED ID SELECTED POR S RN AND KEYBOARD Mn NDIC TES SELECTED TRANSMIT OUTPUT POWER LEVEL KEYBOARD FOR FUNCTION CONTROL VHF VOLUME CONTROL SETUP AND FREQUENCY DIRECT ENTRY B ND SELECTOR SWITCH VHFLO VOLUME CONTROL SMT AND FOR mae VHF PRIORITY CHANNEL SELECTOR MOMENTARY SQUELCH UHF VOLUME CONTROL OVERRIDE TEST BUTTON TRANSMIT OUTPUT POWER LEVEL FIGURE 2 1 Operator s Switches and Controls TFM 556 Installation amp Operating Instructions TiL O3RE328 Rev n c Issue 2 2 2 TECHNISONIC INDUSTRIES LIMITED www til ca 2 2 OPERATING INSTRUCTIONS See Figure 2 1 1 Switch power on by turning the VHF volume clockwise Depending how the radio is configured either the last programmed or last displayed frequencies will appear on the screen The transceiver is now in normal operating mode NOTE VHF high band will be referred to as VHF and VHF low band as VLO in these instructions 2 Adjust the audio l
16. a In c oj 1 o c cnm Mic Signal Input 2 TABLE 3 1 Wire connections on a 15 and 9 pin D Connector TFM 556 Installation amp Operating Instructions TiL O3RE328 Rev n c Issue 2 3 3 TECHNISONIC INDUSTRIES LIMITED www til ca TFM 556 FM TRANSCEIVER A 15 PIN D MALE CONNECTOR USE FEMALE PLUG T 28 VDC POWER a 28 VDC POWER pow n MEMORY UP os a ot A MEMORY DOWN OPTIONAL POWER ao LINE FILTER PANEL LIGHTING 3 AN 600 OHM AUDIO OUT 1 1 MIC IN 1 6 AN SIGNAL GROUND 10 PTT IN 1 13 POWER GROUND 8 POWER GROUND 15 mum FILTER PIGTAIL AND CONNECTORS 20 AWG 9 PIN D FEMALE CONNECTOR ON RADIO USE MALE PLUG Tus 600 OHM AUDIO OUT 2 ANTENNA TUNER CONTROLLER ANTENNA TUNER MIC IN 2 SIGNAL GROUND PTT IN 2 28 VOLTS 1 1 28 VOLTS 3 1 GROUND 4 4 SERIAL DATA OUT SERIAL IN S g SERIAL DATA IN SERIAL OUT 7 5 GROUND 3 W VHF LOW ANTENNA UHF ANTENNA VHF ANTENNA RG 142 U OR EQUIVALENT TUNED CABLE SUPPLIED WTH TUNER f FIGURE 3 2 Wiring connections for the TFM 556 Series Transceivers TFM 556 Installation amp Operating Instructions TiL O3RE328 Rev n c Issue 2 3 4 TECHNISONIC INDUSTRIES LIMITED www til ca QTY ITEM PART NOS DESCRIPTION SPEC MATERIAL 1 1 TFM 556 VHF FM COMMUNICATIONS TRANSCEIVER TECHNISONIC INDUSTRIES LTD 1 2 AT 150 ANTENNA VHF HIGH BAND TECHNISONIC INDUSTRIES
17. ansceiver is designed to be Dzus mounted and should be installed in conjunction with an IN 550 installation kit See Figure 3 1 for an outline drawing of the unit with dimensions to facilitate the installation INSTALLATION KIT CONTENTS The IN 550 installation kit consists of 1 One 15 pin Cannon D mating connector female complete with crimp pins and hood 2 One 9 pin Cannon D mating connector male complete with crimp pins and hood 3 Three BNC antenna mating RF connectors male ANTENNA INSTALLATION Antenna P N s ATM 150 ATM 403 and ATM 30 may be obtained from Technisonic Industries Limited or suitable equivalent OdB gain antenna may be utilized with the TFM 556 transceiver The antennae should be mounted on the bottom of the aircraft whenever possible and must be located at least 20 cm 8inches from any occupant in the airframe Consult with instructions provided with the antennas Connect RF cables from antennas to the back of the TFM 556 unit by utilizing the BNC mating connector provided in the installation kit The VHF Low band top and UHF middle BNC connectors are located on the rear above the 15 pin D connector and the VHF high band BNC connector is below the 9 pin D If an external antenna tuner ATU is to be used the ATC 550 p n 991102 1 will have to be utilized to control it The ATC 550 is an external box to the TFM 556 INSTALLATION PIN LOCATIONS AND CONNECTIONS The pin numbers and locations for the 15
18. ay will show RX TONE and the current tone number as well as the tone frequency in Hz 4 Use the M UP and M DN keys to select the tone number you require The following is a list of the available CTCSS tones TFM 556 Installation amp Operating Instructions TiL OS3RE328 Rev n c Issue 2 2 6 TECHNISONIC INDUSTRIES LIMITED www til ca The following is a list of the standard CTCSS tones Number Tone Number Tone Number Tone 01 67 0 26 162 2 51 177 3 02 71 9 27 167 9 52 183 5 03 74 4 28 173 8 53 189 9 04 77 0 29 179 9 54 196 6 05 79 7 30 186 2 55 199 5 06 82 5 31 192 8 56 206 5 07 85 4 32 203 5 57 210 7 08 88 5 33 33 0 58 218 1 09 91 5 34 35 4 59 225 7 10 94 8 35 36 6 60 229 1 11 97 4 36 37 9 61 233 6 12 100 0 37 39 6 62 241 8 13 103 5 38 44 4 63 250 3 14 107 2 39 47 5 64 No Tone 15 110 9 40 49 2 carrier squelch only 16 114 8 41 51 2 The tones marked with 17 118 8 42 53 0 are nonstandard tones 18 123 0 43 54 9 19 127 3 44 56 8 20 131 8 45 58 8 21 136 5 46 63 0 22 141 3 47 69 4 23 146 2 48 159 8 24 151 4 49 165 5 25 156 7 50 171 3 5 Press ENTER TX TONE appears on the display Repeat step 3 6 The display will now show RX DPL and the current 3 digit DPL code If no DPL code is required OOO should be entered Please note that if a DPL code is to be programmed a CTCSS tone should not be enabled 7 Use the keypad to enter the required octal 3 digit DPL Digita
19. cond timer is reset from the last Rx or Tx signal encountered The radio resumes scanning once the Rx or Tx activity has ceased for more than five seconds The SCAN key must be pressed to exit the scan mode DIRECT FREQUENCY ENTRY MODE This mode is designed to facilitate quick frequency selection during emergency and other operational conditions requiring direct operating frequency selection This operating mode is disabled along with the programming mode when the internal disable jumper is set 1 When the transceiver is in the normal operating mode press FUNC and the desired operating frequency i e 153 2750 2 On the UHF band press FUNC and then 1 and the desired frequency i e 443 5500 3 You will then be asked for 12 5 or 25 0 kHz channel spacing Select with MUP or MDN and press ENTER Please note in the above operation after FUNC and 1 are entered the LED display will show memory channel OOO and then the remaining digits in the desired frequency are shown as they are entered No alphanumeric message can be entered in this mode Operation on the new frequency occurs in both transmit and receive simplex only modes If RX or TX CTCSS tones DPL codes are required they must be programmed in afterwards RECEIVE FREQUENCY SIMPLEX FUNCTION Repeater Talkaround The receive frequency simplex function allows you to quickly change the transmit frequency when operating on a split pair repeater semi duplex mode to the receive freq
20. displays SCAN or LOCKOUT use the 1 2 3 4 5 or M DN keys to toggle to the desired condition and press ENTER Entering the any or all of the numbers 1 2 3 4 or 5 will include that memory channel in any of the five scan lists In normal operating mode the display will later show a beside the memory channel number if it has been included in any of the 5 scan lists TFM 556 Installation amp Operating Instructions TiL O3RE328 Rev n c Issue 2 2 4 2 5 2 6 2 7 TECHNISONIC INDUSTRIES LIMITED www til ca SCANNING FUNCTION 5 second talkback delay Select the band you wish to scan with the band switch You can not scan VHF Low band To start scanning of the memory channels press FUNC then SCAN and then the number 1 2 3 4 5 of the desired scan list The radio will scan through all the preset memory positions in the selected scan list see above paragraph for priority and selective scan features and will lock on to the first active channel in the scan sequence It will remain on the channel until it becomes inactive Scanning will resume again after five seconds of inactivity To exit the scan mode press the SCAN key This will cause the radio to revert back to the normal operating mode If while scanning you hear a call for you 1 Respond to the call within 5 seconds When scanning is interrupted by an incoming signal the channel will remain open for five seconds before resuming scanning 2 During communications the five se
21. e affected in the same way A complete discussion of all the standards of airworthiness to be applied in assessing EMI effects is beyond the scope of this document PROCEDURE A Operate the TFM 556 transmitter on the following frequency for at least 20 seconds Observe the GPS for any degradation in satellite status or availability or flags FREQUENCIES GPS 1 GPS 2 512 0000 MHz NOTES TFM 556 Installation amp Operating Instructions TiL O3RE328 Rev n c Issue 2 A 2 TECHNISONIC INDUSTRIES LIMITED www til ca Determine if the image frequency for the VHF Comm falls within the range of the TFM 556 If so select a set of frequencies that will cause the TFM 556 to be set as close as possible to the image frequency Any one of the many possible sets will suffice Record those values in the spaces provided in the following chart Modulate the TFM 556 transmitter on the following frequencies for at least 20 seconds Listen for any noise or detected audio signals on the VHF comm Example Bendix King KY 196A The first IF frequency is 11 4 MHz The L O is above the received frequency high side injection therefore the image frequency is 22 8 MHz above the selected frequency Set the KY 196A to 120 000 MHz and the TFM 556 to 142 8000 MHz Note Where indicated by an asterisk required action is to switch ATC 550 on and off as often as necessary FREQUENCIES RESULTS a GNE FREQUENCIES RESULTS Eo o
22. e display will be what comes up when the radio is turned on If set to off the last memory that changes were made to will be what comes up when the unit is switched on e DUALMODE If set to ON the UHF band is operated independently from the 2 VHF bands i e UHF audio separately available on 9 pin connector The radio is shipped with this feature OFF TFM 556 Installation amp Operating Instructions TiL O3RE328 Rev n c Issue 2 2 1 TECHNISONIC INDUSTRIES LIMITED www til ca f REMOTE BS Only used when an RC 550 slave control head is attached Setting this feature on will give the transmit selection to the Band Select switch on the RC 550 rather than on the radio This is useful when the operator at the RC 550 is using the VHF high and low bands Regardless of whether this feature is set to on or off the fourth squelch light will light on both units when both BS switches are set to the same position g SIDETONE The TX audio circuit becomes active allowing you to adjust the sidetone level with the VHF volume knob When the desired level is reached press ENTER and this level will be set for both VHF and UHF bands The factory setting is 23 Note The sidetone level must be set every time you go through the configuration menu since it takes the setting of the volume knob regardless of whether you set it or not INDICATES THAT MEMORY INDICATI CEIVE FREQUE DURING RECE CHANNEL WILL BE SCANNED AND RAM FREQUENCY BORING
23. ections for the TFM 556 Transceiver continued TFM 556 Installation amp Operating Instructions TiL OS3RE328 Rev n c Issue 2 3 5 TECHNISONIC INDUSTRIES LIMITED www til ca 3 7 WIRING INSTRUCTIONS Figure 3 2 shows all required connections and recommended wire sizes for the TFM 556 Transceiver If problems with the correct operation of the UHF FM Transmit function of a TFM 556 are encountered on a specific airframe a DC power line filter may be required Typical problems encountered are that UHF FM will not transmit on high power or will not open a repeater when using a CTCSS transmit tone Investigation has determined that once the ripple on the airframes DC 28V power line becomes excessive the UHF transmit function and tones will distort If the airframes generators are turned off and the UHF FM transmit function works correctly from 28 Vdc battery power the ripple on the DC power line is excessive The use of DC power line filter PLF 250 p n 021214 1 is recommended and is available from Technisonic 3 7 1 Main Power 28VDC The main power 28VDC 15 is connected to pins 7 and 14 of the transceiver Both pins should be connected 3 7 2 Main Ground Ground connections for the transceiver are made on pins 8 and 15 Both pins should be connected 3 7 3 PTT Ground Keying The PTT line is connected to pin 13 and should be floating when the transceiver is in receive mode and grounded during transmit mode The PTT2 input is on pin 2 of
24. eflected power For the following tests insure that the power switch is in the high position METHODOLOGY Most of the EMI tests can be accomplished on the ground In some cases flight testing is required or is easier If the aircraft is approved for IFR operations then it is mandatory that interference between the TFM 556 Airborne FM and the approach aids be checked in flight The GPS should be operational and navigating with at least the minimum compliment of satellites The VHF comm should be set to the frequencies indicated with the squelch open VOR DME receivers should be set to the frequencies indicated and selected for display If possible set up a DME ramp test set on the frequencies indicated and adjust the output until the flags are out of view The transponder and encoder should be monitored with ramp test equipment Set the output of the transponder test set to 3db above the output necessary to achieve 90 reply If possible set the ADF to a nearby navigation station Modulate the TFM 556 transmitter on the indicated frequencies for at least 20 seconds Observe the GPS for any degradation in satellite status or availability or flags Listen for any noise or detected audio signals on the VHF comm s Listen for any noise or detected audio signals on the VOR LOC receiver audio look for any moment of flags or needles on the VOR LOC GS navigation display s Observe the transponder for any loss of reply or spurious reply List the
25. er 66 to 88 MHz 138 to 174 MHz 403 to 512 MHz Band Band Band Frequency 1 Frequency 2 Frequency 3 H At a safe altitude engage the autopilot or stability augmentation system Modulate the TFM 556 transmitter on the above frequencies for at least 20 seconds Observe any effect on the autopilot or stability augmentation system Observations Perform a coupled ILS approach to the aircraft s certified limits Modulate the TFM 556 transmitter on the above frequencies for at least 20 seconds Observe any effect on the autopilot Repeat for second flight director autopilot if equipped Observations TFM 556 Installation amp Operating Instructions TiL O3RE328 Rev n c Issue 2 A 7 TECHNISONIC INDUSTRIES LIMITED www til ca J List the power plant fuel and other electric instruments in the chart provided and note any anomalies that occur while transmitting or switching ATC 550 antenna tuner controller on and off Assess the results STEP SYSTEM PASS FAIL NOTES 1 Com 1 amp 2 High and Low Band 2 Transponder amp Encoder Low Band and Mid Band 3 ADF1 amp 2 4 VG 5 Glideslope 1 amp 2 High and Low Band 6 VOR LOC 1 amp 2 High and Low Band 7 Compass 8 Directional Gyro 9 Fuel Pressure 10 Oil Temp TFM 556 Installation amp Operating Instructions TiL O3RE328 Rev n c Issue 2 A 8 TECHNISONIC INDUSTRIES LIMITED www til ca
26. evel by adjusting the VHF UHF and VLO volume knobs 3 Pressing the squelch defeat button will open all receivers to confirm they work 4 Read the display The top line will indicate which VHF memory is selected followed by a if the memory position is included in a scan list an alphanumeric message and the frequency of the VHF receiver A small n before the frequency indicates 12 5 kHz narrowband channel spacing is in effect on this memory position In the receive mode the frequency is followed by an RT if an RX CTCSS tone or RX DPL code is programmed or an RX if no receive tone code is programmed Similarity in the transmit mode either a TT or TX is shown after the frequency The second line shows the same information for the UHF band The third line indicates the same information about the VHF LOW band 5 Set the VHF UHF VLO BS switch to the desired band 6 The VHF PRI switch is spring loaded and is normally in the VHF position Pressing this switch down will result in channel OO1 being loaded on the VHF band 7 Set the HI LO switch to the desired RF output power 8 Select the desired memory by using the M UP and M DN buttons or the RCL button and a three digit number followed by ENTER 9 To transmit DTMF tones use the keyboard keys while holding the PTT button on the microphone There is a 5 second PTT delay after pressing a key so that you may press several DTMF keys in sequence without having to hold the PTT The ke
27. gnal Input e de gees MEN ENNEN dee dE ENE ER Xx XY NR ven Ar RR AR YER Y beet adhesin ER RET 3 6 3 7 8 Memory Up Memory Down 3 6 3 7 9 EDEN E M 3 7 3 8 INTERNAL PROGRAMMING ENABLE DISABLE JUMPER sss 3 7 3 9 TRANSMITTER POWER ADIUSTMENTES mmm hene 3 8 TFM 556 Installation amp Operating Instructions TiL O3RE328 Rev n c Issue 2 TECHNISONIC INDUSTRIES LIMITED www til ca 3 10 TRANSMITTER MICROPHONE LEVEL ADJUSTMENT seme 3 8 3 11 SQUELCH ADJUSTMENT orsrrserreseresersseeraoerrorenerererrrerrrr he eher ene e eterni eterne 3 10 3 12 TRANSMITTER DEVIATION ADJUSTMENT sssesmeIIHIIIH meminere 3 10 APPENDIX POST INSTALLATION EMI TEST sssssssssem mnes A 1 WAR RAIN GE LIST OF FIGURES FIGURE TITLE PAGE 2 1 Operator s Switches and Controls sssssrsssserrrsssrrrrrrrrrrrrrrr nr rrr ran K KRA R RR KRKA RK KKR ARR RK enne 2 2 2 2 PC Up Download Cable Wiring Diagram sesserrsssserssssrrrrrrserrrrrrn eee rr rk KKR ARK R ARR RK KKR AA 2 9 3 1 Outline Drawing 2 i eripi EE EE es nea EE Bh belek ENEE 3 2 3 2 Wining ll e le IT 3 4 3 3 Internal Enable Disable Jumper Locations ssssmssssrsrssserrersrrrrrrrrrrrrrrrr rr Kr KAR KRKA RAR KK KRA RR Ra 3 7 3 4 External Adjustment Access Holes sssmmsossrssserrrrsrrerrrrrrrnrrrrrr rn eee e teeta eee e nets ee KKR Rea 3 9 3 5 VHF Deviation Adjustment Potentiometer Location 3 11 3 6 UHF Deviation Adjustment Potentiometer Location s
28. inued VHF VHF LOW and UHF TRANSMITTER RF Power Output Output Impedance Maximum Deviation In narrowband mode Spurious Attenuation Frequency Stability Microphone Circuit Sidetone Output Harmonic Attenuation FM Hum And Noise Audio Input FM Audio Distortion TFM 556 Installation amp Operating Instructions 1 4 1 watt or 10 watts 50 ohms 5 kHz 25 kHz mode 2 5 kHz 12 5kHz mode 90 dB below carrier level 2 5 ppm Carbon or equivalent O 5W max into 600 ohms 60 dB below carrier level 40 dB 50 mV at 2 5 kHz into 200 ohms input circuit for 3 5 kHz deviation adjust lt 5 TiL O3RE328 Rev n c Issue 2 TECHNISONIC INDUSTRIES LIMITED www til ca SECTION 2 OPERATING INSTRUCTIONS 2 1 FEATURES The equipment has several important operating features which provide maximum flexibility performance and versatility These features include 1 The UHF band can be configured to be operated independently of the VHF High and VHF Low bands or all three bands can operate as a single unit The unit can be set up as a cross band repeater linking a VHF High and UHF frequency in both directions The VHF Low band will not cross band repeat 200 memory positions per band which can each be programmed with a transmit and receive frequency with 25 or 12 5 kHz channel spacing Tx Rx CTCSS tones or DPL codes and a 9 character alphanumeric title Scanning of preprogrammed memories with selec
29. iring direct access to the modulator and discriminator an be connected via pins 2 and 11 Data cannot be transmitted in CANADA unless equipment is approved for use with the TFM 556 by the communications regulatory authority 3 8 INTERNAL PROGRAMMING ENABLE DISABLE JUMPER The programming and direct frequency entry modes can be disabled by removing the internal enable disable jumper strap from pins 1 and 2 of J10 Removal of this jumper will prevent operation on any frequencies other than those programmed in the 600 memory positions The transceiver is always shipped with the two jumpers in the entry enable positions To place either of the jumpers in the disable position 1 Remove the left side of the radio 2 Set or remove jumpers as necessary 3 Re install the left side cover Microprocessor Control Unit MCU PCB Module ENTRY DISABLE JUMPER GUARD ENTRY DISABLE JUMPER 1 Wr 6 2 C33 e UT 17 VE3TZC FIGURE 3 3 Internal Enable Disable Jumper Locations The Guard Entry Disable Jumper has no effect to the TFM 556 TFM 556 Installation amp Operating Instructions TiL O3RE328 Rev n c Issue 2 3 7 3 9 TECHNISONIC INDUSTRIES LIMITED www til ca TRANSMITTER POWER ADJUSTMENTS The transmitter power is adjusted to a maximum of 10 watts in high power mode and 1 watt in low power mode over the transceiver operating bandwidth at the fact
30. l Coded Squelch or DCS code A list of all usable and unique octal 3 digit DPL DCS codes follows 017 O51 116 156 243 266 346 431 466 612 721 023 053 122 162 244 271 351 432 503 624 731 025 054 125 165 245 274 356 445 506 627 732 026 065 131 172 246 306 364 446 516 631 734 031 071 132 174 251 311 365 452 523 632 743 032 072 134 205 252 315 371 454 526 654 754 036 073 143 212 255 325 411 455 532 662 043 074 145 223 261 331 412 462 546 664 047 114 152 225 263 332 413 464 565 703 050 115 155 226 265 343 423 465 606 712 indicates GE Digital Coded Squelch DCS Code 8 Press ENTER TX DPL appears on the display Repeat step 7 TFM 556 Installation amp Operating Instructions TiL O3RE328 Rev n c Issue 2 2 7 2 13 TECHNISONIC INDUSTRIES LIMITED www til ca CROSS BAND REPEAT The TFM 556 can act as a cross band repeater between VHF high band only and UHF To enter repeat mode press FUNC and then 9 The status line will show REPEAT instead of the band switch selection When a signal is received on one of the bands the audio is routed to the transmitter of the other band This process can only go in one direction at a time While transmitting short bursts of noise due to intermittent signal strength or interference will be muted while the transmitter continues to transmit There is also a short delay of silence tail after the received signal ends The operator at the TFM 556 can monitor communications in bo
31. load Download Programming Cable P N 993390 1 Wiring Diagram MALE 25 PIN D FEMALE ELL ATA 2 2 ERIAL I BLUE TX DATA j ORT OF gen ERSONAL BLA R JTE ER Note If your serial port is a 9 pin connector instead of the 25 pin use a female 9 pin D connector connecting Yellow pin 3 Blue pin 2 Black pin 5 FIGURE 2 2 TFM 556 Transceiver PC Up Download Cable wiring diagram TFM 556 Installation amp Operating Instructions TiL O3RE328 Rev n c Issue 2 2 9 TECHNISONIC INDUSTRIES LIMITED www til ca This page left intentionally blank TFM 556 Installation amp Operating Instructions TiL O3RE328 Rev n c Issue 2 2 10 TECHNISONIC INDUSTRIES LIMITED www til ca SECTION 3 INSTALLATION INSTRUCTIONS 3 1 3 2 3 3 3 4 3 5 3 6 GENERAL This section contains information and instructions for the correct installation of the TFM 556 VHF FM Transceiver Make certain that the correct frequencies are pre programmed in accordance with the equipment user s valid FCC operator s license prior to installation EQUIPMENT PACKING LOG Unpack the equipment and check for any damage that may have occurred during transit Save the original shipping container for returns due to damage or warranty claims Check that each item on the packing slip has been shipped in the container Verify that the equipment display and backlighting configuration are the same as those ordered TRANSCEIVER INSTALLATION The TFM 556 tr
32. nstruction manual can be loaded by selecting Documentation in PDF format under the Help menu Otherwise to get started pull down the File menu and select TFM 500 The program defaults to serial port com1 but can be set to com2 3 or 4 under the Com Port menu The program is now ready to use You may want to upload data from the radio and edit channels or start a new data file The VHF and UHF bands are treated as separate radios and must be up or downloaded and edited separately Editing is done on a channel by channel basis Set the channel number you would like to edit and then modify the frequencies labels CTCSS tones DPL codes wide narrow band setting and scan lists as desired Press the Save Record button to store the changes you ve made to the data base below After you have edited the channel list your can save your changes to disk and or download to the radio Only channels selected with a check mark will download TFM 556 Installation amp Operating Instructions TiL OS3RE328 Rev n c Issue 2 2 8 TECHNISONIC INDUSTRIES LIMITED www til ca It is recommended to use the Select All command in the Data Transfer menu to ensure the data base in the radio matches the one in the PC When download is selected a message box will appear on your screen asking you to press FUNC and DN on the radio Press these buttons on the radio before you click OK in the message box otherwise the download will fail TFM 556 Up
33. on has been selected press ENTER The TFM 556 s display will show a beside the memory channel number if scan is enabled Note Scan function and Scan list feature not provided for VHF Low Band 10 The display will now show the current memory number Type in the 3 digit number of the memory you want to save to if different from displayed one and press ENTER 2 4 PRIORITY SCANNING SELECTIVE MEMORY CHANNEL SCANNING amp SCAN LISTS Instead of breaking up the 200 channels into blocks for scanning the TFM 556 has 5 scan lists per band VHF high and UHF only Any of the 200 channels can be assigned to any one or more of these 5 scan lists This means the channels do not have to be repeated for them to be in more than one block and that you are not limited to the number of channels that can be scanned at once since all 200 channels can be put into any scan list Scanning is not available on the VHF Low band The priority memory channel is always memory position number 1 The priority memory channel is scanned every other step i e 121314151 to ensure that no incoming messages are missed The priority channel can be locked out which will result in the normal scanning of the other memory positions Selective memory scanning allows the user to select which of the 200 memory channels are to be scanned or locked out when the scan function is invoked To use this feature follow PROGRAMMING INSTRUCTIONS found in paragraph 2 3 Once the screen
34. ory If transmitter RF power re adjustment is required perform as follows Select the band that you wish to adjust on the band select switch Connect an RF through line watt meter to the appropriate antenna connector Set the operating frequency to 156 000 MHz for VHF or 457 000 MHz for UHF and key the transmitter In low power mode set the low power adjustment potentiometer on the left side of the chassis to produce 1 0 watt of RF output power See Figure 3 3 In high power mode set high power adjustment potentiometer on the left side of the chassis to produce 9 5 watts of RF output power Verify that the RF output power is between 9 and 10 watts on 138 000 MHz and 174 000 MHz for VHF or 403 000 MHz and 512 000 MHz for UHF TRANSMITTER MICROPHONE LEVEL ADJUSTMENT Set the transceiver operating frequency to 156 000 MHz and connect an appropriate test receiver to the RF output connector Ensure that the output of the transceiver is terminated into a proper dummy load Key the transmitter and input a 10 dBm 0 25 VRMS 1 kHz audio signal into the microphone input Adjust the microphone level potentiometer Mic Level 1 through the access hole located on the right side of the chassis see Figure 3 4 to produce a 2 7 kHz deviation Verify that the deviation is at least 2 3 kHz on the following frequencies 138 000 MHz 162 000 MHz and 174 000 MHz For UHF perform the same procedure using the Mic Level 2 pot on the left side of the
35. pin and 9 pin Cannon D located on the rear of the TFM 556 transceiver are shown below Pin connections are provided in TABLE 3 1 OOOOOOO Cys 0090502050209 GOO FIGURE 3 0 Transceiver mounted view of 15 pin female and 9 pin male connector TFM 556 Installation amp Operating Instructions TiL O3RE328 Rev n c Issue 2 3 1 TECHNISONIC INDUSTRIES LIMITED www til ca MINIMUM DISTANCE FROM REAR OF PANEL D END 1 000 L OF CONNECTORS INCLUDING CABLE CLEARANCE FIGURE 3 1 Outline Drawing for Model TFM 556 Series Transceivers TFM 556 Installation amp Operating Instructions TiL O3RE328 Rev n c Issue 2 3 2 TECHNISONIC INDUSTRIES LIMITED www til ca 3 6 INSTALLATION PINLOCATIONS AND CONNECTIONS continued 15 Pin D Connections Use FEMALE Connector Pin Description 1 600 Ohm Output 1 2 Data Output 3 Panel Lighting 28VDC or 5VAC 4 Memory Up 5 Memory Down 6 Mic Signal Input 1 7 Main Power 28VDC 8 Main Ground 9 4 ohm Speaker Output 10 4 ohm 600 ohm Output Ground 11 Data Input 12 DF Audio 13 PTT 1 Ground Keying 14 Main Power 28VDC 15 Main Ground 9 Pin D Connections Use MALE Connector Pin Description 600 Ohm Output 2 UHF Band in Dual Mode PTT 2 Ground Keying Reset Background Debug Signal Ground Programming Voltage In Serial Data Out Serial Dat
36. plit frequency pair in either band The TFM 556 Transceiver provides 200 operator accessible memory positions per band each of which is capable of storing a transmit frequency receive frequency transmit frequency CTCSS tone or DPL code receive frequency CTCSS tone or DPL code an alphanumeric identifier for each channel and wideband 25 kHz or narrowband 12 5 kHz channel spacing assignment Operating frequency and other related data are presented on a 96 character four line LED matrix display Data entry and function control are performed via a 12 button keypad Preset channels may also be scrolled and scanned scanning only possible in VHF high and UHF bands through keypad function activation Data may also be entered via computer with the provided software and optional PC Up download cable P N 993390 1 PURPOSE OF EQUIPMENT The TFM 556 VHF High VHF Low UHF Band FM Transceiver is designed to provide secondary airborne communications to facilitate operations which are typically performed in a low altitude environment The transmitter sections of this unit have a minimum of 8 watts and do not exceed 10 watts output power which may be reduced by a front panel switch to 1 watt in order to reduce interference to land based systems MODEL VARIATION There are four variations of the Model TFM 556 Transceiver All units offer identical features and performance except for the following differences TFM 556 P N 031219 1 GREEN display with 2
37. po o NOTES TFM 556 Installation amp Operating Instructions A 3 TiL O3RE328 Rev n c Issue 2 TECHNISONIC INDUSTRIES LIMITED www til ca Determine if the image frequency for the VOR ILS Nav falls within the range of the TFM 556 If so select two sets of frequencies that will cause the TFM 556 to be set as close as possible to the image frequency Choose one set in the localizer frequency range and one in the VOR frequency range Record those values in the spaces provided in the following chart Modulate the TFM 556 transmitter on the following frequencies for at least 20 seconds Listen for any noise or detected audio signals on the receiver audio look for any moment of flags or needles on the navigation display Note Where indicated by an asterisk required action is to switch ATC 550 on and off as often as necessary FREQUENCIES RESULTS VORIILS 1 TFM 556 PASS FAIL 108 000 108 100 112 000 108 000 108 100 112 000 NOTES TFM 556 Installation amp Operating Instructions TiL O3RE328 Rev n c Issue 2 A 4 TECHNISONIC INDUSTRIES LIMITED www til ca D Modulate the TFM 556 transmitter on the following frequencies for at least 20 seconds Observe the Glideslope displays Look for any movement of flags or needles on the navigation display FREQUENCIES RESULTS wen y wm me Fait ounen 69400 3s47 08 P ooo saioa JO NE FREQUENCIES RESULTS
38. power plant fuel and other electric instruments in the chart provided and note any anomalies that occur while transmitting Assess the results If the aircraft is equipped with an autopilot or a stability augmentation system then test fly the aircraft and verify that operation of the TFM 556 transceiver does not have adverse effects on these systems After checking for gross effects at a safe altitude fly an approach with each of the different navigation systems coupled to the autopilot ILS GPS ETC and look for any anomalies When the installation includes the ATC 550 antenna tuner controller this test where indicated by an asterisk will also identify any interference caused by the ATC 550 In these cases the ATC 550 must be turned on and off by means of its breaker as often as required while monitoring the victim equipment TFM 556 Installation amp Operating Instructions TiL O3RE328 Rev n c Issue 2 A 1 TECHNISONIC INDUSTRIES LIMITED www til ca RESULTS If the installed system passes all of the applicable EMI tests then no further action is required If interference is observed then the interference must be assessed against the appropriate standards of airworthiness for the system in question For example it is permissible for a VFR certified GPS to lose navigation capability while the TFM 556 unit is transmitting providing that it recovers properly and promptly but it is not permissible for an IFR Approach certified GPS to b
39. r subject to any other abuse i Expressly excluded from this warranty are changes or charges relating to the removal and re installation of equipment from the aircraft Technisonic will repair or replace at Technisonic s discretion any defective transceiver or part thereof found to be faulty during the Warranty Period Faulty equipment must be returned to Technisonic or its authorized Warranty Depot with transportation charges prepaid Repaired or replacement equipment will be returned to the customer with collect freight charges If the failure of a transceiver occurs within the first 30 days of service Technisonic will return the repaired or replacement equipment prepaid Technisonic reserves the right to make changes in design or additions to or improvements in its products without obligation to install such additions and improvements in equipment previously manufactured This Warranty is in lieu of any and all other warranties express or implied including any warranty of merchantability or fitness and of all other obligations or liabilities on the part of Technisonic i This Warranty shall not be transferable or assignable to any other persons firms or i corporations For warranty registration please complete the on line Warranty Registration Form found at www til ca
40. requency in this mode can not be stored in memory To exit this mode recall one of the 200 memory channels i e RCL 0 0 1 Variable frequency mode is disabled when the internal entry disable jumper is removed LED DISPLAY VARIABLE DIMMING MODE 1 With the transceiver in normal operating mode press the UP or DN keys to increase or decrease the intensity of the LED display 2 Once maximum intensity of the display is achieved the UP key no longer functions Conversely once minimum intensity is reached the DN key ceases to function 90 SECOND TRANSMITTER TIME OUT FEATURE A selectable 90 second transmitter time out feature is provided to prevent accidental continuous transmission in the event of a faulty PTT switch With this feature enabled the transceiver will stop transmitting after the PTT is engaged continuously for 90 seconds The timer is reset by releasing then re engaging the PTT switch Press the FUNC then the M UP key Use the M UP and M DN keys to select 90 SEC which enables the feature or NONE which disables it PROGRAMMING CTCSS TONES AND DPL CODES CTCSS tones PL tones or Digital DPL codes can be assigned to each memory channel on any of the three operating bands To program a tone code to a memory channel 1 Select the desired band on the band select switch 2 Use the M UP and M DN keys to select the memory channel that you want to assign a CTCSS tone or DPL code 3 Press the FUNC key then the TONE key The displ
41. sssssseserrrrrrrrrrrrrrrrrrrrrrrrr nnns 3 12 3 7 VHF LOW Deviation Adjustment Potentiometer Location cse 3 13 LIST OF TABLES TABLE TITLE PAGE 3 1 9 pin D and 15 Pin D Connections ssrersserrrrrrsrrrrrrrrrrrrrrr eee eee neater 3 3 TFM 556 Installation amp Operating Instructions TiL O3RE328 Rev n c Issue 2 TECHNISONIC INDUSTRIES LIMITED www til ca SECTION 1 GENERAL DESCRIPTION 1 1 1 2 1 3 1 4 INTRODUCTION This publication provides operating and installation information on the TFM 556 Transceiver manufactured by Technisonic Industries Limited The unit offers an extended frequency range with selectable channel spacing and is intended for use in the U S only by government agencies or contractors thereto who have obtained licensing for operation in the 138 150 MHz portion of the VHF band If the TFM 556 transceiver is used in CANADA VHF operation is restricted to the following sub bands 138 144 148 148 99 149 005 150 005 and 150 05 174 MHz Furthermore the TFM 556 is a frequency agile transceiver which is restricted to airborne use and must not be operated as a base station in Canada DESCRIPTION The TFM 556 Transceiver is a frequency agile fully synthesized airborne FM transceiver capable of operating in the 66 to 88 MHz 138 to 174 MHz and 403 to 512 MHz frequency range in 2 5 kHz increments with either 25 kHz or 12 5 kHz channel spacing The Transceiver can operate without restriction on any s
42. t a 10 dBm 2 5 VRMS 2 5 kHz audio signal into microphone input 1 4 Adjust the wide band deviation limit potentiometer R30 on the VHF Rx Tx module see Figure 3 5 to produce a 4 20 kHz deviation Select narrow band mode on the VHF band and adjust the narrowband deviation limit potentiometer R76 on the VHF Rx Tx module to produce a 2 10 kHz deviation 5 Verify that the deviation does not exceed 5 kHz for wide band and 2 5 kHz for narrowband on 138 000 MHz and 174 000 MHz Re adjust R30 or R76 as required if the deviation exceeds 5 kHz or 2 5 kHz respectively 6 Replace the bottom cover UHF 1 Remove the left side cover of the transceiver 2 Select the UHF band 3 Set the UHF operating frequency to 457 000 MHz and connect an appropriate test receiver to the RF output connector Ensure that the output of the transceiver is terminated into a proper dummy load 4 Key the transmitter and input a 10 dBm 2 5 VRMS 2 5 kHz audio signal into microphone input 1 if in single mode or microphone input 2 if in dual mode 5 Adjust the wide band deviation limit potentiometer R30 on the UHF Rx Tx module see Figure 3 6 to produce a 4 20 kHz deviation Select narrow band mode on the UHF band and adjust the narrowband deviation limit potentiometer R76 on the UHF Rx Tx module to produce a 2 10 kHz deviation 6 Verify that the deviation does not exceed 5 kHz for wide band and 2 5 kHz for narrowband on 403 000 MHz and 512 000 MHz
43. tested to category B RF Emission 21 0 Equipment tested to category Z Installation Approval Note Presently no TSO standard exists for airborne FM transceivers To make it easier for installation agencies to provide their customers with an approved installation supported by an effective Airworthiness Approval Technisonic has secured Supplemental Type Certificate STC Approvals both US and Canadian on its Airborne FM products for many helicopters currently being delivered in the US and Canada as well as a number of single engine fixed wing aircraft The above referenced DO 160C test data is also on file and available from Technisonic to support approval requirements in airframes for which Technisonic does not possess an STC Approved aircraft types are listed in the attachments to the formal STC documents These STCs are the exclusive property of Technisonic and require the written authority of Technisonic for their use To assist Factory Authorized Technisonic Dealers in the certification process we have placed copies of our Canadian and US STCs on our web site along with a letter of authorization for their use These documents may be downloaded and used as support for the technical submission to FAA or Transport Canada Only factory authorized dealers installers are permitted to download and make use of these documents on behalf of their customers end users in support of regulatory agency approval Please refer to the Technisonic web
44. th directions but can only talk to one band at a time via the band select switch If the radio is set up in dual mode the band selection is made at the audio panel To cancel cross band repeat mode press ENTER PC MEMORY PROGRAMMING UP DOWNLOAD CAPABILITY The TFM 556 transceiver can be programmed by a Windows based personal computer using Technisonic software supplied on CD with each TFM 556 Requirements 1 PC compatible computer with a CD ROM drive running Windows 95 98 NT 2000 ME 2 Bench power supply of 28 volts DC 3 PC download cable P N 993390 1 which can be supplied or made from the wiring diagram at the back of this section Connections 1 With the PC turned off plug the 25 pin male D connector into a serial port 2 Plug the 9 pin D connector into the back of the TFM 556 transceiver 3 Connect the power supply to the TFM 556 Installing the MultiTDP Program The CD supplied with each radio contains software for all of Technisonic s downloadable transceivers Place the CD into your drive and use Windows Explorer to open the MultiTDP directory on the CD Double click the MultiTDP Install exe file Follow the onscreen instructions to install the program onto your hard drive When the program is installed it can be run by selecting Programs from your Start menu then select Technisonic from the submenu and finally MultiTDP Using the MultiTDP Program With the program running on your computer a full MultiTDP i
45. the 9 pin connecter 3 7 4 Front Panel Back Lighting Front panel back lighting connection should be made on pin 3 of the transceiver The opposite end of this lead should be connected to the panel lighting system of the aircraft Before connecting verify the required panel lighting voltage 28 VDC or 5VAC on the transceiver configuration control label 3 7 5 Audio Outputs 600 ohms and 4 Ohms There are two audio outputs available 1 amp 2 600 ohm audio output 1 has audio from both VHF bands and the UHF band in single operator mode When in dual operator mode 600 ohm output 1 has audio from the VHF High and Low bands only while the UHF audio will be on the 600 ohm output 2 None of these outputs need to be terminated if left unused 3 7 6 Audio Output Ground Pin 10 is the ground for both the 4 ohm and 600 ohm audio output signals 3 7 7 Mic Signal Input The microphone input signal is to be provided on pin 6 utilizing shielded wire with the shield grounded to pin 10 Microphone signal 2 is on pin 6 of the 9 pin D connector 3 7 8 Memory Up Memory Down Remote scrolling through the 200 memory positions can be achieved by providing a ground to pins 4 up and 5 down through a momentary contact cyclic switch The memories will scroll only on the band selected TFM 556 Installation amp Operating Instructions TiL O3RE328 Rev n c Issue 2 3 6 TECHNISONIC INDUSTRIES LIMITED www til ca 3 7 9 Data Input Data communications equipment requ
46. tive memory scanning in up to 5 scan lists for the VHF High or UHF band The VHF Low band does not scan Priority scan of memory channel 1 in VHF high or UHF band The Scan function can only be used for one of these bands at a time Simultaneous scanning on both bands is not possible Direct frequency entry mode Receive frequency simplex function Repeater talk around Switchable RF output power between 1 watt and 8 10 watts Lockout of keyboard to prevent inadvertent entries Variable frequency mode to manually scan up and down in 1 MHz 100 kHz or 2 5 kHz steps LED display variable dimming mode Selectable 90 second Tx time out feature PC Memory Upload or Download capability Configuration Menu Pressing ENTER RCL and FUNC together while turning the radio on will put it into configuration mode The programming features affected are a DPL Can be turned on or off with the MUP and MDN 4 and 7 keys This only removes the DPL entry step from the programming sequence and does not stop memories that already have DPL codes from working This also applies to the rest of the on off configurable items b SCAN Can be disabled Selecting FUNC and SCAN will do nothing if Scan is off The scan list indicator will still display if was previously programmed c Rx CTCSS Can be turned on or off from the programming sequence This affects only the CTCSS tones for receive d LAST MEM If set to on the last memory channel on th
47. ual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his her own expense WARNING Changes or modifications not expressly approved by Technisonic Industries could void the user s authority to operate the equipment IMPORTANT The TFM 556 transceiver is designed for airborne use It is certified by Industry Canada under aeronautical standard RSS 141 as amended The equipment is not permitted to be installed in a fixed or mobile land based station in Canada WARRANTY INFORMATION The Model TFM 556 Transceiver is under warranty for one year from date of purchase Failed units caused by defective parts or workmanship should be returned to Technisonic Industries Limited 240 Traders Boulevard Mississauga Ontario L4Z 1W7 Tel 905 890 2113 Fax 905 890 5338 Summary of DO 160C Environmental Testing Summary of DO 160C Environmental Testing for Technisonic Model TFM 556 Low band VHF High band VHF and UHF Transceiver Conditions Section Description of Conducted Tests Temperature and Altitude 4 0 Equipment tested to categories B2 and D1 Vibration 8 0 Equipment is tested without shock mounts to categories B M and N Magnetic Effect 15 0 Equipment is class A Power Input 16 0 Equipment tested to category B Voltage Spike 17 0 Equipment
48. uency to allow direct communications i e If you are transmitting on 152 000 MHz and receiving 152 555 MHz select VHF on the band select switch and press FUNC then UP to transmit on 152 555 MHz To return to the split pair condition you must recall the memory channel again This is quickly done by pressing M UP for one step up then back down one step with the M DN key TFM 556 Installation amp Operating Instructions TiL OS3RE328 Rev n c Issue 2 2 5 2 8 2 9 TECHNISONIC INDUSTRIES LIMITED www til ca KEYBOARD LOCKOUT FUNCTION The keyboard can be locked out so that accidental pressing of keys does not change frequency etc unknowingly to the operator To lock the keyboard press FUNC then LOCK This will disable all keyboard functions except keyboard unlock in the receive mode The DTMF function during transmit will not be affected To unlock the keyboard press and hold the LOCK key for two seconds until the display indicates UNLOCK VARIABLE FREQUENCY MODE FUNCTION To enter variable frequency mode press RCL 0 0 0 then ENTER or enter a frequency in the direct entry mode described above The memory channel that you were just in will still be valid but now you can manually adjust the frequency with the M UP M DN UP and DN keys The UP and DN keys will make the frequency count up or down in steps of 2 5 kHz The M UP and M DN keys will make the frequency count up or down in steps of 1 MHz You can not change the label The f
49. yboard returns to its normal function when the PTT is released The display always shows the status of both receivers and the transmitter The light at the left of each line indicates which receiver is receiving The display also indicates the memory channel is in use A TX no TX tone codes programmed or TT either TX tone or code programmed on the right side of the display indicates which band is active when transmitting The transmit frequency is also shown In the receive mode the display shows RX beside the receive frequency if no RX tone or DPL code is programmed and RT if a CTCSS tone or DPL code is programmed While in any programming mode all receivers continue to function When the transceiver is in either of the operating frequency or CTCSS tone DPL code programming modes and you must respond to a call click the microphone PTT once the radio will not transmit during this click This will cause the transceiver to revert back to the normal operating mode and communications with the caller can proceed in the usual fashion Pressing the FUNC key has the same effect TFM 556 Installation amp Operating Instructions TiL OS3RE328 Rev n c Issue 2 2 3 TECHNISONIC INDUSTRIES LIMITED www til ca 2 3 PROGRAMMING INSTRUCTIONS To program one of the 200 memory channels in one of the bands 1 Select the desired band on the band select VHF UHF VLO switch This is required before any of the programming modes or functions

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