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MODEL TAF-550 Installation and Operating Instructions

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1. TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D 3 3 TECHNISONIC INDUSTRIES LIMITED WWW Il ca TABLE 3 1 OPERATORS SWITCHES CONTROLS AND INDICATORS TAF 550 Continued SWITCHES CONTROLS amp FUNCTIONAL DESCRIPTION INDICATORS 15 Tx ON AMBER An AMBER LED indicates when the transceiver is keyed by the microphone LED INDICATOR PRESS TO TALK PTT switch or remote land line and the transceiver is operated in the Tx mode The Tx ON AMBER LED switches OFF when the transceiver is operated in the receive mode 16 VOLUME A logarithmic potentiometer determines the audio level applied to the CONTROL internal speaker when the transceiver is operated in the receive mode When the SPEAKER PHONE connector is in use the internal loudspeaker is disconnected and the VOLUME CONTROL sets the audio level applied to the external speaker or headphone 17 VOLUME Performs Chan Freq and Special Feature Selection Refer Table 3 2 CONTROL 18 18 LIQUID A 5 digit Liquid Crystal Display LCD displays the FREQUENCY CRYSTAL CHANNEL that the transceiver is currently operating on IN SCAN mode it DISPLAY displays the current frequency scanned if RF signal is present 19 LOUDSPEAKER An 8 ohm internal speaker reproduces the receiver audio output The audio line is disconnected from the internal loudspeaker when the transceiver is operated in Tx mode or when the SPEAKER
2. A This unit contains static sensitive devices Wear a grounded wrist strap and or conductive gloves Are when handling printed circuit boards FCC COMPLIANCE INFORMATION This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation WARNING For compliance with FCC RF Exposure Requirements the mobile transmitter antenna installation shall comply with the following two conditions 1 The transmitter antenna gain shall not exceed 3 dBi 2 The transmitter antenna is required to be located outside of a vehicle and kept at a separation distance of 90 cm or more between the transmitter antenna of this device and person s during operation NOTE 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 manual 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
3. Audio Output Limiting ccc cece e eee e nent eee eee en ene Less than 1 dB 30 to 100 MOD Audio Frequency Response 300 Hz 200 1 3 dB Audio Acquisition Time Less than 100 msecs Audio Squelch Characteristics Squelch Type 0cecececcee cece cece eeeeeee eee eeeeeeeeeeeees Signal to Noise and Carrier Operated Carrier Operated Squelch cececeeeeeeeee tent tees Front Panel Adjustable 2 to 15 volts Signal to Noise Squelch i Internally Adjustable up to 15 dB S N N TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D 1 6 TECHNISONIC INDUSTRIES LIMITED WWW Il ca SECTION 2 PREPARATION FOR USE 2 1 INTRODUCTION This section provides the information required for the removal replacement adjustment and or custom configuration of the self contained modular TFM 138B and 91 DE Transceivers Custom configuration and adjustments on the TFM 138B include Internal enable disable Jumper selection Tx power adjustment Tx microphone level adjustment Tx side tone level adjustment Main and Guard squelch adjustment and Transmitter deviation adjustment Custom configuration for the 91 DE Transceiver includes customizing channel frequencies Channels 0 to 9 can be configured for fixed frequency operation including transmit inhibit on pres elected channels 2 1 1 Disassembly and cover removal Refer Figure 2 1 1 2 3 4 Release the 4 clip fasteners securing each front
4. TiL 91 DE transceiver was available in either 10 or 25 channel versions until July 2012 The 25 channel version can be identified by 25 or 1283T on the option label on those units All units manufactured after July 2012 are 25 channel only Frequency Selection Storage Recall Channel Scan Search and Toggle modes are all selected by the 12 key keypad Current operating frequency is displayed on a backlit liquid crystal display LCD Modular Case P N 953209 1 In addition to housing the two previously mentioned transceivers the TAF 550 Modular case consists of an AC to DC Power Supply Module a DC to DC Power Supply Module and a speaker for the TFM 138B 1 AC to DC POWER SUPPLY MODULE The AC Power Supply Module provides the 27 5 VDC supply voltage to the TFM 138B and 91 DE Transceivers and houses a battery charger which will provide a combination constant current constant voltage charging and trickle charging to an optional external 24 Volt Battery connected to the DC connector 24 VDC output only 2 DC to DC POWER SUPPLY MODULE Provides the ability to power the TAF 550 with an external 12 VDC supply The dc to dc convertor steps the 12 VDC input to the required 27 5 VDC to operate the TFM 138B and 91 DE Transceivers 3 SPEAKER With on off switching function Speaker will monitor the receive audio from the TFM 138B The speaker may also be switched off if a headset is used to access the receive audio from the TAF 550 fr
5. 2 2 3 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 factory If transmitter RF power re adjustment is required perform as follows 1 Remove bottom cover as described in the previous paragraph 2 2 2 Access to the two adjustment potentiometers on the Microprocessor Control Unit MCU PCB Module is provided by two access holes located at the back of the chassis tray Connect an RF through line wattmeter to the antenna connector Set the operating frequency to 156 000 MHz and key the transmitter In low power mode set the low power adjustment potentiometer R24 to produce 1 0 watt of RF output power See Figure 2 2 In high power mode set high power adjustment potentiometer R23 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 162 000 MHz and 174 000 MHz Replace bottom cover as described in the previous paragraph 2 2 2 2 2 4 Transmitter Microphone Level Adjustment 1 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 R8 on M
6. CONTROLS amp FUNCTIONAL DESCRIPTION INDICATORS 27 LOUDSPEAKER An 8 ohm speaker mounted in the TAF 550 Modular Case reproduces the TFM 138B receiver audio output The audio line is disconnected from the internal loudspeaker when the transceiver is operated in Tx mode 28 SPEAKER Toggle switch will enable the TAF 550 chassis mounted speaker for the ON OFF TFM 138B to be turned ON or OFF SWITCH 29 AC FUSE A 2 Amp fuse protects the TAF 550 Modular Case power supply from power supply internal short circuit or transceiver short circuit 30 EXTERNAL 12 A 5 Amp fuse protects the 12 volt nominal power supply line VOLT DC FUSE 31 EXTERNAL 24 A 3 Amp fuse protects the 27 5 volt nominal power supply line As part of VOLT DC FUSE reverse polarity protection the fuse will blow when polarity of the External DC supply line is reversed 32 DC POWER Chassis mounted connector provides for Connection to External DC Supply CONNECTOR Source Mates with DC power cable P N 963213 1 for 12 VDC supply operation and P N 963212 1 for 24 VDC supply operation 33 AC POWER 3 Prong AC Connector for use with AC Power Cord P N 927002 1 CONNECTOR 34 PC 9 Pin D type connector provides connections required for PC Download DOWNLOAD operation Refer to TFM 138B Operating Instructions for details CONNECTOR 35 AM ANTENNA A 50 ohm coaxial BNC connector provides connection to an external CONNECTOR VHF AM antenna 36 FM ANTENNA A 50 ohm coaxial
7. Unit On Refer to Section 3 2 Recall Channels 0 through 9 Refer to Section 3 Ensure that the frequencies indicated for each channel displayed correspond to those selected 3 Transmit on each channel Observe that the TX Led Refer to Figure 3 2 for location does not light on channels selected to operate exclusively in receive mode 4 Enter a valid frequency within the frequency range of 117 975 MHz to 138 MHz that differs from the frequency stored in channel 0 5 Store the frequency in channel 0 Refer to paragraph 3 4 5 6 Recall Channel 0 frequency Channel 0 frequency displayed shall be the same frequency entered before Locking the operating configuration ie different from the frequency entered in step 4 7 Perform Steps 4 through 6 for each channel TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D 2 9 TECHNISONIC INDUSTRIES LIMITED WWW Il ca JUMPER J6 MICROCONTROLLER BOARD J6 COMPONENT SIDE HEATSINK Figure 2 5 Fixed Channel Jumper Locations TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D 2 10 TECHNISONIC INDUSTRIES LIMITED WWW Il ca SECTION 3 OPERATING INSTRUCTIONS 3 1 INTRODUCTION This section includes a functional description of each switch control indicator and connector located on the front and rear panels of the TAF 550 Modular Comm System including the PRESS TO TALK switch located on the microphone Spec
8. amber LED is OFF on the 91 DE or that RX or RT is indicated rather than TX or TT on the alphanumeric display of the TFM 138B Refer to paragraph 3 4 for 91 DE Front Panel Keypad Operation and additional Operating modes Refer to paragraph 3 5 for completeT FM 138B operating instructions TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D 3 7 TECHNISONIC INDUSTRIES LIMITED WWW Il ca 3 3 3 Receiver Operation To operate either transceiver in the receive mode proceed as follows 1 2 Ensure that the PRESS TO TALK switch on the microphone is NOT depressed and verify that the Tx ON amber LED is OFF on the 91 DE or that the alphanumeric display on the TFM 138B does not indicate TX or TT Verify that the correct operating frequency is displayed on the liquid crystal display LCD on the 91 DE or the alphanumeric LED display on the TFM 138B Refer to Front Panel Keypad Operation paragraph 3 4 for Channel Frequency selection on the 91 DE Refer to paragraph Adjust the SQUELCH control to suit local reception conditions When the SQUELCH control is rotated in the counter clockwise direction the SQUELCH indicator green LED will switch to ON indicating that the squelch circuit is connecting the demodulated audio output to the VOLUME control Further adjustment of the SQUELCH control determines the squelch setting The VOLUME control can then be adjusted in a clockwise direction t
9. and back cover Remove and retain 4 bottom screws and 4 top screws securing cover to chassis Remove and retain 4 screws on each side securing cover to chassis then slide the cover forward and lift it clear of the chassis Reverse the order of the above steps to replace the cover on the TAF 550 chassis 2 1 2 Removal of TFM 138B Remove TAF 550 cover as described above and then release the 4 Dzus rail mounting screws on the front panel of the TFM 138B Remove the BNC RF connection from the back of the TFM 138B and then slide it out approximately 3 inches forward through the front cut out of the TAF 550 chassis Undo the 2 slotted screws securing the DB 9 connector on the back of the TFM 138B and slide the unit out of the TAF 550 chassis front cut out Reverse the order of the above steps to re install the TFM 138B Transceiver 2 1 3 Removal of the TiL 91 DE 1 2 S Remove the TAF 550 cover and the TFM 138B as described in the previous paragraphs Remove the two large mounting screws securing each side of the 91 DE Transceiver Disconnect the two screws securing the DB 9 remote connector on the right side of the 91 DE Transceiver Remove the DB 9 connector and pull the 91 DE Transceiver approximately 1 inch through the front cut out of the TAF 550 chassis Remove the DC and UHF RF connectors located on the back of the 91 DE chassis Slide the 91 DE chassis back through the TAF 550 front cut out and lift up an
10. ca 3 4 4 Selecting a Frequency To select a frequency press the keypad digits in the sequence indicated Refer to Fig 3 2 Base Station Front and Rear Panel Layout and Table 3 1 Operators Switches Controls and Indicators 1st digit must be 1 for 100 MHz all other digits are ignored 2nd digit must be 1 2 or 3 all other digits are ignored NOTE Entry of 117 MHz fills 975 in remaining digits Entry of 138 MHz fills 000 in remaining digits 4th digit Can be any digit 5th 6th digits are paired Entry of 5th digit O results in 00 displayed Entry of 2 results in 25 Entry of 5 results in 50 Entry of 7 results in 75 Examples Press I D 7 117 975 is displayed on screen Press LI LI 8 0 0 118 000 is displayed on screen Press _ SI 138 000 is displayed on screen After keypad entry of a desired frequency normal Tx Rx operation can begin or the frequency can be stored as a channel as described in paragraph 3 4 5 Storing a Frequency to a Channel TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D 3 11 TECHNISONIC INDUSTRIES LIMITED WWW Il ca 3 4 5 Storing a Frequency to a Channel Up to 10 Frequencies can be stored and recalled in channels 0 to 9 as follows or up to 25 Frequencies can be stored and recalled in channels 01 to 25 as follows 1 Enter the frequency to be stored as described in paragraph 3 4 4 Selecting a Frequency followed imm
11. elect to trickle charge external batteries 24 V only when connected to the DC connector configured for 24 Volts DC OPERATION The unit can be operated from an external 24V DC supply within the range of 21 6 VDC to 30 VDC A DC connector is mounted on the rear of the Modular Chassis which mates with DC Power Cable P N 963212 1 Not Supplied to facilitate external DC operation DC Power Cable P N 963213 1 will allow operation with a 12V DC external input supply and is included with The TAF 550 System TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D 1 4 TECHNISONIC INDUSTRIES LIMITED www til ca 1 4 TECHNICAL SUMMARY A summary of electrical operational mechanical and physical characteristics of the transceivers modular case and microphone indicated in Tables 1 1 TABLE 1 1 TAF 550 MODULAR COMM SYSTEM DATA SHEET GENERAL Power Requiremenis AC Input Voltage Current 0 ccc ceeee eee e eect e eee ee eee etna eeneeees 100 to 132 VAC 1 5 Amp DC Input Voltage Current 24V configuration 6 608 2 1 6 VDC to 30 VDC 2 5 Amp DC Input Voltage Current 12V configuration eeeeeeee 1 6 VDC to 13 VDC 4 5 Amp Frequency Range TFM 138B EM 138 000 to 174 000 MHz Number of Channels TFM 138B a a 120 programmable memory positions Frequency Range 91 DE AM 117 975 to 138 000 MHz Number of Channels 91 DE cece tenet eee eee ented eee e eter tees inind
12. memory channels The first channel listed in blue on colour monitors is the memory channel that will appear on the display of the TFM 138B when it is turned on The next two channels listed are guard 1 and guard 2 in red on colour monitors Only TX CTCSS tones or TX DPL codes are listed for the guards since the TFM 138B has a CTCSS tone DPL code decoder for the main receiver only The rest of the memory channels displayed in yellow are the 120 memories listed in sequence Either LOCK or SCAN is displayed for each memory channel which indicates whether that memory channel will be included in the scan list or locked out After reviewing the multi page list you have the option to return to the final page for further review to return to the main menu or to print out the memory channel list Edit menu You can select which memory channel to program main or guard When entering memory channel information if you just press return the previous information will be retained For example you only want to change the receive frequency Type in the new receive frequency and press return for all of the other prompts You also will not be able to type in frequencies or information that does not make sense If the information entered is not what was prompted for you will be re prompted for the correct information For example if you type in 999 9999 for the transmit frequency you will be prompted again because the frequency range of the TFM 138B is 138
13. microprocessor controlled simplex AM transceiver operating over the frequency range of 117 975 MHz to 138 000 MHz The Modular Communications system is intended for temporary emergency or backup operation in a fixed environment The system can operate from external AC power external 12 Volt DC power or external 24 Volt DC power DESCRIPTION The TAF 550 Modular Communications System consists of FM Transceiver TFM 138B P N 921012 1 Option B AM Transceiver Model TiL 91 DE P N 901006 2 Modular Case P N 953209 1 Microphone P N 861902 1 AC Power Cord P N 927002 1 DC cable Assembly P N 963213 1 12 Volt and Optional DC Cable P N 93212 1 24 Volt The rear panel access cover houses the microphone AC power cord DC power cable assemblies and 2 5 Amp SLO blow fuse AC 5 Amp fuse 12 Volt DC and 3 Amp fuse 24 Volt DC Refer to Figure 1 1 for details FM Transceiver Model TFM 138B P N 921012 1 Opt B The TFM 138B Transceiver is a frequency agile fully synthesized airborne transceiver capable of operating in the 138 000 MHz to 174 000 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 split frequency pair in the band and also incorporates a two channel synthesized guard receiver The TFM 138B Transceiver provides 120 operator accessible memory positions each of which is capable of storing a transmit frequency receive frequency transmit freque
14. required to correct the interference at his ner own expense FCC LABELING INFORMATION When this device is permanently mounted in an enclosure where the FCC ID label can not be seen another label must be placed on the outside of the enclosure stating contains FCC ID IMA90 6R WARRANTY INFORMATION The TAF 550 Communications System 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 TECHNISONIC INDUSTRIES LIMITED www til ca TABLE OF CONTENTS SECTION TITLE PAGE 1 1 INTRODUCTION WEE 1 1 1 2 DESCRIPTION TEE 1 1 1 2 1 FM Transceiver Model TFM 138B P N 921012 1 Opt BH 1 1 1 2 2 AM Transceiver Model Til 91 DE P N 901 006 1 0 ceeceeeeeeceeee eect eeeeeeseeeeeseaeeesaeeneaeees 1 3 1 2 3 Modular Case P N 953209 1 o ecececceceeceeeeeeeeeeeeeeeeeeceaeeeeaaeseeeeesaeeeeeaaesseeeeceaeeseaeeseaeeeeaes 1 3 1 2 4 Microphone P N 961069 1 ENEE 1 3 1 2 5 DC Power Cable for 12V Supply P N 963213 1 eeeeeceseeeeeeceneeeeeaeeeeeeeeseeeeeaeeseeeeeaes 1 3 1 3 MODES OF OPERATION Age aieuesgeegeetegeeiteseee get ee SEEEdEEEA EEN ee 1 4 1 3 1 Transmit bere cccvcscetessenctuctuvweetvwss aag nanea enra a aaaea aiaa aaa E Aae aE 1 4 1 3 2 AG and DC Operator EE 1 4 1 4 TECHNICAL SUMMARY EE 1 5 2 1 INTRODUC TION WEE 2 1 2 1 1 Disassembl
15. www til ca SECTION TITLE PAGE Section 3 Continued 3 4 5 Storing a Frequency to a Channel s essssssssssnsssssrrssrrsstnssrnssrnssrnssnenstensnenssnnnsnensnnnsnnnt 3 12 3 4 6 Recalling a Stored Channel peiiini iieis aaa aiaei aiaa aaa Ea 3 12 3 4 7 Transmit MAIDE iesistie iiien a aaaeeeaa aana terrence pr n daaa anaa e aiaa anie 3 13 3 4 8 Toggling Between Two Channels 0 ccccccceececeeeeeeceeeeeeaeeeeeeeseaeeesaaeseeaaeseeeeeseaeeeeeaeenenees 3 13 3 4 9 Search Mode E 3 14 3 4 10 SCAN MOG EE 3 14 3 5 TFM 138B OPERATING FEAT TURES isisssnsssssneseressnsrnsrrssrntinsrnstnstnstnntnntnntnstrnnrnnn nnen n t 3 15 3 5 1 Operating INStruCtlonS iiaeiai aariaa naaa aai a aaa eia E NE Ea E 3 15 3 5 2 Programming INstrUCtOnS 2c scceceetties ed reani uieii eis aniidae aaa aia 3 17 3 5 3 SCANNING FUNGON eieiei iadenin ait ae aaa aa aa aa aaia aaa aaea 3 18 3 5 4 Priority and Selective Scanning ccceceeeeecceeeeeceeeeeeeaeeeeaeeceeeeeseaeeesaaeseeeeeseeaeeesaeeseaeeeeaes 3 19 3 5 5 Direct Frequency Entry Mode ccccccceeeeeceeneeceeeeecaeeeeeaeeeeeeecaaeeesaaeeseaeeseeeeseaeeesnaeeseaes 3 19 3 5 6 Receive Frequency Simplex Function eccceceecceceeeeeeeeeceeeeeceaeeeeaaeeeeneeseeeeeseaeeesnaeeeenes 3 19 3 5 7 Keyboard Lockout Function 0 cccceeeceecceeeeeeeeeaeeeeeeeeceaeeeeaaeeeeaeeseaeeesaaeeseaaeseceeseaeeteaeeseaes 3 19 3 5 8 Variable frequency Mode Function ccccceesceceeeeeeeeeeeeeeeceeeeeceaeeesaaesee
16. 3 5 13 PC MEMORY PROGRAMMING DOWNLOAD CAPABILITY The TFM 138B transceiver can be programmed by a MS DOS based personal computer This is an alternative to programming data manually by the keypad A 3 5 disk containing the required PC download software is provided with each TFM 138B transceiver Requirements 1 PC compatible computer with any monitor 3 5 floppy drive and a printer port LPT1 2 Bench power supply of 12 to 30 volts DC The TFM 138B requires 28 volts to operate fully transmit but can be programmed at voltages as low as 12 volts 3 PC download cable P N 943165 1 which can be supplied or made from the wiring diagram at the back of this section Installation 1 Insert the floppy disk into drive A and type A INSTALL lt enter gt 2 All the files will be copied to your hard drive into a directory called PCDLB Connections 1 With the PC turned off plug the 25 pin male D connector into its printer port 2 Plug the 15 pin D connector into the back of the TFM 138B transceiver 3 Connect the power wires to the power supply Running the program 1 Turn on the power supply and the TFM 138B first and then turn on the PC 2 Change to the PCDLB directory and type PCDLB and lt enter gt The main menu will be displayed TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D 3 22 TECHNISONIC INDUSTRIES LIMITED WWW Il ca 3 5 13 PC MEMORY PROGRAMMING DOWNLOAD CAPABILITY continued Listing
17. 6RE187 Rev D 3 23 TECHNISONIC INDUSTRIES LIMITED www til ca PART 943165 1 bes 15 PIN D FEMALE 25 PIN D MALE 5 DATA 12 CLOCK E TO PRINTER 4 STROBE PORT OF PERSONAL 8 GROUND COMPUTER 14 RED T Se e 1N4006 TO POWER SUPPLY 944032 12 TO 30VDC FIGURE 3 4 TFM 138B Transceiver PC Download Cable wiring diagram TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D 3 24 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 or subject to any other abuse Expressly excluded from this warranty are changes or charges relating to the removal and re installation of equip
18. AM ANTENNA TRANSCEIVER CONNECTOR ANTENNA CONNECTOR VENTILATION 7 2v0C FUSE Ze ET CO N 24v0C Me zg SZ wre hee KH 2 24v0C H iNPUT i AC GN FUSE i apes oan Ed SEIS i r EE ac INPUT TRANSCEIVER e PC DOWNLOAD Cup CONNECTOR INTERFACE Figure 3 2 TAF 550 Front and Rear Panel Layout TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D TECHNISONIC INDUSTRIES LIMITED www til ca TABLE 3 1 OPERATORS SWITCHES CONTROLS AND INDICATORS TAF 550 SWITCHES CONTROLS amp INDICATORS FUNCTIONAL DESCRIPTION TFM 138B FM TRANSCEIVER Switches Controls and Indicators MAIN Rx VOLUME AND POWER ON OFF A logarithmic potentiometer determines the Main Receiver audio level applied to the internal TAF 550 speaker or headset when the transceiver is operated in the receive mode Also incorporates main power switch 2 GUARD RX A logarithmic potentiometer determines the Guard Receiver audio level VOLUME applied to the internal TAF 550 speaker or headset when the transceiver is operated in the receive mode 3 MAIN GUARD A toggle switch allows to TFM 138B Transmitter to operate on either the TRANSMIT main or guard transmit frequency 4 G1 G2 SELECT Toggle switch selects one of the two guard channels 5 HI LO POWER Toggle switch selects between 10 watts HI and 1 watt LO Transmitter RF SWITCH output power 6 KEYPAD Performs channel selecti
19. BNC connector provides connection to an external CONNECTOR VHF FM antenna Denotes items located on rear panel TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D 3 5 TECHNISONIC INDUSTRIES LIMITED www til ca 3 3 GENERAL OPERATING INSTRUCTIONS 3 3 1 Preparation for Use To prepare the transceiver for use Refer to Figures 3 1 3 2 and Table 3 1 1 Location of Antennae The VHF frequency band is essentially line of site communication When selecting a location there should be no obstacles between the communicating radio sites Objects greater than two metres will reflect the RF signal and foliage greatly attenuates signal strength The VHF AM and VHF FM antennae should be positioned as far apart as space permits for optimum performance The mounting height of each antenna should also be maximized The antennae should be separated by a minimum distance of at least 15 feet WARNING Do not make physical contact with antenna when transmitter is on This unit can produce up to 10 Watts of power when operated in High Power Mode 2 Open front and rear access covers by levering the clip fasteners toward front of case Remove Microphone from its storage clip on the rear panel and install jack in Microphone PTT connector A clip to mount the microphone when connected for use is provided on the top right hand side of the TAF 550 Modular case 3 Ensure that TFM 138B and 91 DE transceiver POWER
20. CU module through the access hole located on the right side of the chassis see Figure 3 4 to produce a 3 5 KHz deviation Verify that the deviation is at least 3 KHz on the following frequencies 138 000 MHz 162 000 MHz and 174 000 MHz TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D 2 4 TECHNISONIC INDUSTRIES LIMITED WWW Il ca HIGH POWER ADJ oe LOW POWER ADJ ENTRY ENABLE REMOVE TO DISABLE Microprocesszr Control Unit MCU PCB Module Figure 2 2 Internal Enable Disable Jumper and Transmit High Low Power Adjust Locations TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D 2 5 TECHNISONIC INDUSTRIES LIMITED WWW Il ca 2 2 5 Transmitter Sidetone Level Adjustment 1 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 sidetone level potentiometer R37 on MCU module through the access hole located on the left side of the chassis see Figure 2 3 to produce a 3 0 dBm 1 0 VRMS 600 ohm audio output 2 2 6 Main And Guard Squelch Adjustment The squelch on both the main and guard receivers is factory set to open at approximately 0 5 microvolts This adjustment can be made or altered to suit local conditions as follo
21. Download Input 5 Memory Down PC Download Input 13 PTT Ground Keying 6 Mic Signal Input 14 Main Power 28VDC 7 Main Power 28VDC 15 Main Ground 8 Main Ground 2 2 2 Internal Enable Disable Jumper The programming and direct frequency entry modes can be disabled by removing the internal enable disable jumper Removal of this jumper will prevent operation on any frequencies other than those programmed in the 120 memory positions and two guard receiver memory positions The TFM 138B transceiver is always shipped with this jumper in the entry enable position To place the jumper in the disable position remove the TFM 138B from the TAF 550 chassis and 1 Remove and retain the seven 7 No 4 40 screws securing the bottom cover of the transceiver to its chassis 2 Remove and retain the four 4 No 4 40 screws securing the guard receiver PCB module in the chassis tray Remove the guard receiver module from the chassis tray 3 Remove and retain the two 2 screws securing the fuse board Remove and retain the five 5 screws securing the chassis tray to the main chassis Remove the chassis tray 4 You should now have access to the Microprocessor Control Unit MCU PCB Module See Figure 22 Remove the enable disable jumper from pins 3 and 4 of J15 5 Reverse steps 1 through 3 and secure all screws to re assemble the transceiver TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D 2 3 TECHNISONIC INDUSTRIES LIMITED WWW Il ca
22. ED WWW Il ca 3 5 2 PROGRAMMING INSTRUCTIONS continued 9 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 10 You now have the option to program the guard frequencies by pressing FUNC or press ENTER to return to normal operating mode 11 If you pressed FUNC to program the guards guard 1 transmit frequency will be displayed with the flashing curser on the second digit Enter the frequencies for guard 1 receive transmit and guard 2 receive transmit as in step 3 and 4 12 The alphanumeric labels for guard 1 and guard 2 are entered the same as in step 7 and 8 When the last character is entered the radio returns to normal operating mode If the guard is be programmed for 12 5 kHz narrowband operation use the QUICK GUARD PROGRAMMING FEATURE described in paragraph 3 5 11 A memory position must be programmed to the 12 5 kHz mode then the contents can be quickly downloaded to GD1 or GD2 memory positions Programming of memory is disabled when the internal entry disable jumper is set Alternatively any transceiver can be programmed by an IBM PC or compatible computer See section 3 5 13 PC Memory Programming Download Capability 3 5 3 SCANNING FUNCTION 5 second talkback delay 1 To start scanning of the memory channels press FUNC then SCAN The radio will scan through all the preset memory positions see next paragraph for
23. PHONE connector is in use 20 SPEAKER Toggle switch will enable the TiL 91 DE internal speaker to be turned ON or ON OFF OFF SWITCH TAF 550 Modular Chassis Operators Switches Controls and Indicators 21 MIC PTT A 3 pole connector functions as the Microphone PTT Connector CONNECTOR 22 MICROPHONE PRESS TO TALK PTT switch determines transceiver operating mode PTT When the PTT switch is pressed the transceiver operates in Tx mode When the PTT switch is released the transceiver operates in Rx mode 23 PTT BUTTON PTT button allows the operator to manually verify that the correct transmitter is keying without using the microphone 24 PHONE A 3 pole connector provides interconnection to a headphone set When in CONNECTOR use the internal speakers may be switched off or left on and the VOLUME control sets the audio level applied to the external speaker or headphone 25 AC ON OFF A 2 pole switch applies external AC power to the TAF 550 Modular Case SWITCH power supply 26 ACPOWERON A GREEN LED indicates when AC power is applied to the unit and the AC LED INDICATOR POWER SWITCH is set to ON Also indicates that the TAF 550 Modular Case power supply is functioning TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D 3 4 TECHNISONIC INDUSTRIES LIMITED WWW Il ca TABLE 3 1 OPERATORS SWITCHES CONTROLS AND INDICATORS TAF 550 Continued SWITCHES
24. S tones or DPL codes and a 9 character alphanumeric title 2 guard channels which can each be programmed with a Rx frequency with 25 or 12 5 kHz channel spacing CTCSS Tx tone or DPL code and a 9 character alphanumeric title Scanning of preprogrammed memories with selective memory scanning Priority scan of memory channel 1 if desired Direct frequency entry mode Receive frequency simplex function 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 2 5 kHz steps LED display variable dimming mode Selectable 90 second Tx time out feature Quick download of any of the 120 memory positions to the guard memories PC Memory download capability 3 5 1 OPERATING INSTRUCTIONS See Figure 3 3 1 Switch power on by turning the main volume clockwise The last programmed frequencies will be displayed The transceiver is now in normal operating mode Adjust the audio level by adjusting the main and guard volume knobs Pressing the squelch defeat button will open both receivers to confirm they work Read the display The top line will indicate which memory is selected followed by a if the memory position is included in the scan list an alpha numeric message and the frequency of the main receiver A small n before the frequency indicates 12 5 kHz narrowband channel spacing is in effect on this memory position In the rec
25. TAF 550 Front and Rear Panel Layout 0 cccscceeeceeeeeeeeeeeeeeeeeeeeeeeeeeaeeeeaaeseeeeeseeeeeeaeeneneeee 3 2 3 3 Operator s Switches and Controls EMOL 3 16 3 4 TFM 138B PC Download Cable Wiring Diagram ccceceeeeeceeeeeeeeeeeeeeeeceeeeeeeaeeeeaeeeeneeees 3 24 LIST OF TABLES TABLE TITLE PAGE 1 1 TAF 550 Modular Comm System Data Sheet 00 ccccccseeeeeeeeeeeeeeeeeeeeeeeeeeceeeesaeeseaeeeneeeeaas 1 5 2 1 TFM 138B Transceiver 15 Pin D Connections ccceeeeeeeeeeeeeeeceeeeeeeaaeeeeeeeseeeeetaeeesaeeneneeees 2 3 3 1 Operators Switches Controls and Indicators cccccccecesseceeseseeeeeeeeaeeeeesaaeeesesesaeeeesesanesessaaes 3 3 3 2 Channel Function Selector Keypad cccccecceceeeeeeeceeeeeceaeeeeeaeeseeeeseaeeesaaeeseneeseeeeessaeeesaeeeenes 3 9 TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D TECHNISONIC INDUSTRIES LIMITED TECHNISONIC INDUSTRIES LIMITED www til ca SECTION 1 GENERAL DESCRIPTION 1 1 1 2 1 2 1 INTRODUCTION The Model TAF 550 Modular Communications System No 960200 manufactured by Technisonic Industries Limited consisting of a VHF FM and a VHF AM Transceiver complete with an AC and DC power supply microphone and power cables The TFM 138B is a frequency agile fully synthesized FM transceiver offering an extended operating frequency range of 138 174 MHz with selectable wide narrow band channel spacing The Model 91 DE is a
26. The receiver will lock on to the first signal strong enough to quiet the squelch circuit SEARCH mode is exited when a signal is found Normal operation resumes as if the SEARCH frequency was selected from the keypad or recalled from memory Press E 4 to enter SEARCH mode Press E to exit SEARCH mode 3 4 10 Scan Mode In SCAN MODE the receiver steps through each stored channel until a transmitted signal is found The receiver will lock on to the first signal strong enough to quiet the squelch circuit When a signal is found the frequency is displayed and the audio is enabled for as long as the squelch is held open by the RF signal After the signal drops below the squelch threshold SCAN is resumed until the next frequency is found and the process is repeated SCAN mode is continuous until the operator exits or the unit is switched off NOTE PTT is inhibited during SCAN mode Pressing PTT once exits SCAN mode Pressing PTT twice is required to Key the Transmitter Press E 5 to enter SCAN mode Press PTT to Lock on SCANned Frequency or Press E to exit SCAN TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D 3 14 TECHNISONIC INDUSTRIES LIMITED WWW Il ca 3 5 TFM 138B OPERATING FEATURES The TFM 138B has several important operating features which include 1 ONO w o 11 12 13 120 memory positions which can each be programmed with a transmit and receive frequency with 25 or 12 5 kHz channel spacing Tx Rx CTCS
27. UNC 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 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 TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D 3 19 3 5 8 3 5 9 3 5 10 3 5 11 3 5 12 TECHNISONIC INDUSTRIES LIMITED www til ca Variable Frequency Mode Function To enter variable frequency mode press RCL 0 0 0 then ENTER 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 frequency in this mode can not be stored in memory To exit this mode recall one of the 120 memory channels ie RCL 0 0 1 Variable frequency mode is disabled when the internal entry disable ju
28. at 2 5kHz into 200 ohm input circuit for 3 5kHz deviation adjst ie e A RTE ue EE 5 MAX MAIN RECEIVER Sensitivity 12 dB SINAD 02 0 0 cee cee ec eee eee ee eee ee eats eee eaeeaeeeeaeeess better than 0 35 uvolts Adjacent Channel Selectivity 20 KHZ Channel Spacing v0 2sefkReeNREdEEE REN NEE ENER ees ta EEN ENER ed EE 70dB 12 5 KAZ Channel Spacing es tenita Kana AEE AEEA laden deans 70dB SPUMOUS AMSMU ATION EE 90dB Third Order Intermodulation 0 cette eee anain E AENEA ES E EAE TA 70dB image Atle MUAtlON EE 80dB FM Acceptance Reg e de RES REENEN Dias bidet ea AEN Edge 6kHz Hum Te 50 dB MIN Antenna Conducted Emission ccececeeee cece eee e nent EANNAN EAEE A ANNER 70 dBm MIN GUARD RECEIVER All specifications identical to main receiver TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D 1 5 TECHNISONIC INDUSTRIES LIMITED www til ca TABLE 1 1 TAF 550 MODULAR COMM SYSTEM DATA SHEET Continued MODEL 91 DE TRANSCEIVER TRANSMITTER Power Output FC 10 Watts MAX Power Output ICAN 00 cttah loti se cite ita A EE da easton sede eee iad 8 Watts MAX Frequency Stability 40EC to DE 0 00025 MAX Audio IDEA deed eg dd NEE del Ee eg 0 05 Vrms to 2 0 Vrms Speech Processor Dynamic Range 35 dB leie II te EE 95 MAX Audio Distortion 90 mod Low Power 10 MAX Audio Distortion 90 mod High Power 15 MAX Audio Frequency Response sss
29. ature follow the PROGRAMMING INSTRUCTIONS found in paragraph 2 3 Once the screen displays SCAN or LOCKOUT use the M UP or M DN keys to toggle to the desired condition and press ENTER In normal operating mode the display of the TFM 138B will later show a beside the memory channel number if scan is enabled 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 153 275 Please note in the above operation after FUNC and 1 are entered the LED display will show memory channel 000 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 on RECEIVE FREQUENCY SIMPLEX FUNCTION 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 frequency to allow direct communications i e If you are transmitting on 152 000 MHz and receiving 152 555 MHz press F
30. ct the desired memory by using the M UP and M DN buttons or the RCL button and a three digit number followed by ENTER 10 To transmit DTMF tones use the keyboard keys while holding the PTT button on the microphone The keyboard 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 the top and bottom line indicates which receiver is receiving The display also indicates the memory channel in use and the guard channel 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 whether the guard or main channel 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 ifa CTCSS tone or DPL code is programmed 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 3 5 2 PROGRAMMING INSTRUCTIONS To program one of the 120 memory channels in the TFM 138B 1 Press the FUNC key The display will show the function prompt 2 Press the PROG key T
31. d out of the back of the TAF 550 chassis Reverse the order of the above steps to re install the TiL 91 DE Transceiver in the TAF 550 modular chassis TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D 2 1 TECHNISONIC INDUSTRIES LIMITED WWW Il ca Disassembly 550 Modular Comm System Figure 2 1 TAF TiL 96RE187 Rev D 2 2 TAF 550 Installation amp Operating Instructions TECHNISONIC INDUSTRIES LIMITED www til ca 2 2 TFM 138B ADJUSTMENTS AND CUSTOM CONFIGURATION Custom configuration and adjustments on the TFM 138B include Internal enable disable Jumper selection Transmitter power adjustment Transmitter microphone level adjustment Transmitter side tone level adjustment Main and Guard squelch adjustment and Transmitter deviation adjustment The TFM 138B wiring connections are also provided 2 2 1 TFM 138B Wiring Connections The TFM 138B Transceiver s 15 Pin D connector is prewired for use in the TAF 550 chassis The following table provides the input output signal information for each pin of this connector The pins numbers are stamped on the connector located on the back panel of the TFM 138B TABLE 2 1 TFM 138B Transceiver 15 Pin D Connections Pin Description Pin Description 1 600 Ohm Output 9 4 ohm Speaker Output 2 Data Output 10 4 ohm 600 ohm Output Ground 3 Panel Lighting 28VDC or 5VAC 11 Data Input 4 Memory UP PC Download Input 12 PC
32. e channel or to be inhibited Subsequent pressing of E 9 or E 9 will enable the transmit function NOTE After inhibiting the transmit function the Tx inhibited channel must be recalled from memory for this function to take effect Examples Press R ol or Press R 0 0 for 25 channels Channel 1 frequency 119 750 MHz stored in the previous example will be displayed Press the PRESS TO TALK switch Observe that the TX indicator LED lights Press E 9 I Press R or Press EI 9 0 l Press R 0 l for 25 channels Press the PRESS TO TALK switch Observe that the TX indicator LED does not light Press E 9 I Press R or Press E 9 0 I Press R O l for 25 channels Press the PRESS TO TALK switch Observe that the TX indicator LED lights 3 4 8 Toggling Between Two Channels Press Ri E to recall previous channel Example Recall Channel 0 as described in para 3 4 6 Recalling a Stored Channel 117 975 will be displayed Recall Channel 2 138 000 will be displayed Press R E 117 975 will be displayed Press R E 138 000 will be displayed TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D 3 13 TECHNISONIC INDUSTRIES LIMITED WWW Il ca 3 4 9 Search Mode In SEARCH MODE the receiver steps through each stored channel until a transmitted signal is found
33. e Ten 10 preset Temperature amp Humidity Operating Temperature Range cceeeeeeeeeeeeeeeaeaeaeeeenees 25 C 13 F to 55 C 131 F Storage Temperature Range cececeeeeeee eect ee een ea en eee eeaas 55 C 67 F to 65 C 149 F Relative e ul EE 100 non condensing Microphone Compression Range ee eee eases eeee ease eeeeeeeeaeeeaeeeeaeaeeees 35 dB Antenna IMP COANE iesene a a DO sade En EEEE Aa N noe saee a a 50 Q KU 4 1 MAX Dimensions amp Weight excluding Front and Rear Covers Width X Height X Dentb e eee ete e terete ental 10 0 X 8 75 X 14 0 in MAX Weight EE 16 Ibs MAX MODEL TFM 138B TRANSCEIVER TRANSMITTER RF Power e TEE 1 or 10 Watts Output MpPedanCe cvsccccisvecerta ahndesdeaedad eeatdan dea cede sahadsnad ues eayeseRegad UN EEN 50 ohms Maximum Deviation c ce ceeeeeee ees 5 kHz 25 kHz mode or 2 5 kHz 12 5 kHz mode Spurious Attenuation 0 2 2 ccccec cece eee eee eee ee cece teeta eaten eeeeeeeeeeeeaes 90 dB below carrier Frequency Stability 20 C to 55 C cece ee eee eect e teeter e ee een ea ea ener eeaaes 0 0005 MAX Microphone Circuit 0 0 0 ec ecc cece ee eeee eee ee ee eee ee ee ee eaeeeeeeecaeeeaeaeaeens Carbon or equivalent SIdetone ee LEE 0 5W max into 600 ohms Harmonic Attenuation csser rindieren irinn e eee eee neta ee EETA ENERE EEES 65dB below carrier FM Hum and TEE 40 dB below carrier Audio Input 50 millivolts
34. ediately by pressing E and the desired Channel number or for 25 channels NOTE E or E for 25 channels must be pressed within 5 seconds of entry or frequency will not be stored Examples Radios with 10 channels Radios with 25 channels Press LE LE 7 E 10 Press Li U 7 E 0 0 Frequency 117 975 MHZ is stored as channel 0 Frequency 117 975 MHZ is stored as channel 00 Press I I 9 7 5 E 1 Press I 9 7 5 E O 1 Frequency 119 750 MHZ is stored as channel 1 Frequency 119 750 MHZ is stored as channel 01 Press LI 3 8 E 2 Press LI 3 8 E 0 2 138 000 MHz as channel 2 138 000 MHz as channel 02 3 4 6 Recalling a Stored Channel To recall one of the previously stored channels press R followed by the channel number Example Radios with 10 channels Radios with 25 channels Channel 1 frequency 119 750 MHz stored in the Channel 01 frequency 119 750 MHz stored in the previous example will be displayed previous example will be displayed Press Ri I Press Ri Oo E Note To recall the permanently stored emergency channel 121 500 MHz press E 0 TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D 3 12 TECHNISONIC INDUSTRIES LIMITED WWW Il ca 3 4 7 Transmit Inhibit To Inhibit the transmit function on a desired channel press E 9 immediately followed by th
35. eeeseeeeseaeeseneeseaees 3 20 3 5 9 LED Display Variable Dimming Mode 0 c ccceececeeeeeeeneeseeeeeeeaeeeeaaeseeeeeseaeeesaaaeeeeeeeeaas 3 20 3 5 10 90 Second Transmitter Time Out Feature 2 0 ceccceceeeeeeeeeeeeeee cece eeeeaeeeeeeeseeeesaeeeeaeeeeaees 3 20 3 5 11 Quick Guard Programming Feature 0c ccccccceeseceeeeeeeceeeeeeeeceaeeesaaeeseaaeseeeeeseeeeseneeeeeeees 3 20 3 5 12 Programming CTCSS Tones DPL Codes ccccccceeeeeeeeeeeeeeeeeeeeaeeeeaeeseeeeeseaeeesaeeseneeeeaes 3 20 3 5 13 PC Memory Programming Download Capability 0 ccccceeecceceeeeeeeeeeeeeeeseeeeetaeeeeeeeeaes 3 22 WARRANTY E LIST OF FIGURES FIGURE TITLE PAGE 1 1 Transceiver General View Closed amp Open VieW ccccseeeeeeceeeeeeeeeeeeeeeeeeeesaeettaeeeeneeees 1 2 2 1 TAF 550 Modular Comm System Disassembly cccceeeeeeeeeeeeeeeeeeeaeeeeeeeeeeaeeeeaeeeeeeeees 2 2 2 2 Internal Enable Disable Jumper and Tx Hi Lo Power Adjust Locations ccccceeeeeereees 2 5 2 3 Microphone and Sidetone Level Main and Guard Squelch Adjustment s s 2 7 2 4 Deviation Adjustment Potentiometer Location c cceeececeeeeeeeeeeceeeeeceaeeeeaaeeeeaeeseeeeetaeeneneeee 2 8 2 5 Fixed Channel Jumper Locations c cceceeeeececeeeee cee eeeaeeteneeseeeeeseaeeeseaeeseneeesaeeeseaesteaeeseeeeess 2 10 3 1 TAF 550 Modular Communications Set Up cceeecceceeeeeeeeeeeee cece eeeaeeeeeeeseeeeeseaeeeenaeeneeeees 3 1 3 2
36. eive mode the frequency is followed by an RT if a 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 bottom line indicates similar information about the guard receiver Only TX CTCSS tones or TX DPL codes may be programmed for the guard receiver At the beginning of each line an LED indicates open squelch TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D 3 15 TECHNISONIC INDUSTRIES LIMITED WWW Il ca wat VEUORT DOCES WESSAZ DStC gwe Crud S SCLECTEO APAE TE CURRENT FREQUENCY dag VAL Technisoni industries Ltd TFW 1388 EH S 5 POLICE R142 2450RX au GD2 HOSPITAL 168 9725TT GUARO SOUELCH G1 Q Waas wie lan H 2 up C legoa on M ON ROC D FUNC WA e wech H TRANSMITTER GUIPUT POWER G1 G2 SMICH SELECTS ONE OF TWO CUARD CHANNELS H Q a WAIT ANO 10 WAITS win SMIO SETS THE TRANSMITER 0 OPERAE ON ETHER TME Auen OF OURO TRANSU FREQUENCY FIGURE 3 3 Operator s Switches and Controls TFM 138B TAF 550 Installation amp Operating Instructions 3 16 TiL 96RE187 Rev D TECHNISONIC INDUSTRIES LIMITED WWW Il ca 3 5 1 OPERATING INSTRUCTIONS continued 6 Set the MN GD switch to main or guard transmit frequency 7 Set the G1 G2 switch to the desired guard channel 8 Set the HI LO switch to the desired RF output power 9 Sele
37. eneeseaeees 2 9 2 3 4 Transceiver Disassembly and Jumper Installation ccccccceeeeeeeeeeeeneeeeeeeeeseaeeesneeeeeeees 2 9 2 3 5 Transceiver Replacement ccccccceceeeceeneeceeeeeceaeeeeeaeeeeeeeseeeeseaaeeeeaeeseeeeeseaeeeeaeeseneeesaees 2 9 2 3 6 Operational Check 2 9 SECTION 3 OPERATING INSTRUCTIONS 3 1 INTRODUCTION E 3 1 3 2 OPERATOR S SWITCHES CONTROLS AND INDICATORS oseese 3 1 3 3 GENERAL OPERATING INSTRUCTIONS 0 cccceeecceeeeeeeeeeeeeeeeeeeaaeeeeaeeseeeeesaeeesaeeteneeee 3 6 3 3 1 Preparation for USC vsccascesetevoscencrschstasecticie hacen nania vile xanctuaves Deeg e ggeteeg Ce 3 6 3 3 2 Transmitter Operation een eoegegh eet cay evcet aaa aaia aea HeeueeebaceasSuenersenebeccccudlanvestesaddeals 3 7 3 3 3 Receiver Operation ccccecescesecceceeeeeeeaeeeeaeeeeeeeeceaeeeeaaaeeaeeeseaeeesaaeseeaaeseeeeescaeesesaesseneesnnes 3 8 3 3 4 SWitehing OFF EE 3 8 3 4 FRONT PANEL KEYPAD OPERATION 10 or 25 Channel Memories esseen 3 9 3 4 1 Keypad EE 3 10 3 4 2 Keypad and LCD Display Lighting ecccccceeceeseeeeeeeeeeeeeeeeeeeeeeaaeeeeeeeseaeeesaeeeeaaeeeeeeeeaas 3 10 3 4 3 Transmitter TIME Out sacs cc cecccetleceasaecvedacd cbecwesgececeutadecteneuded eege ceasdeiehocetehiueeshecsediale 3 10 3 4 4 Selecting a Frequency cccccceesceceececeeeeeesaeeeeneeceeeeeeaaaesgeeeesaeeeeaaeseeaeesseeesaeseeaaeseeneeeaes 3 11 TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D
38. g frequency or by recalling a stored channel RECEIVE MODE When the PTT switch on the microphone is released the transceiver operates in the receive mode On the TFM 138B either a RX or RT will be shown after the frequency on the alphanumeric LED display A RT as opposed to an RX means that a receive CTCSS tone or DPL code has been programmed In the receive mode on the 91 DE the Tx ON amber LED will go OFF indicating that the transmitter is inhibited Reception of the frequency displayed on the LCD will occur For the 91 DE the setting of the SQUELCH CONTROL determines the squelch threshold level When the SQUELCH CONTROL is rotated in the counter clockwise direction the SQUELCH INDICATOR green LED will go ON indicating that the squelch circuit is connecting the demodulated audio to the VOLUME CONTROL The setting of the VOLUME CONTROL determines the audio level produced from the internal speaker When the VOLUME CONTROL is adjusted in the clockwise direction the audio level will increase The TFM 138B main and guard receiver squelch settings are located on the bottom panel of the TFM 138B chassis The TFM 138B squelch is factory set to 0 5uV 1 3 2 AC and DC Operation The unit can be operated by external 120 VAC external 28 VDC or external 12 VDC power 1 AC OPERATION An AC power cord P N 927002 1 is supplied in the rear access cover of the portable case assembly During AC operation the operator can
39. he display will show the current receive frequency with a flashing curser on the second digit The first digit is always a one lt 1 gt 3 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 4 The curser will return to the second digit You can now retype the frequency if you made an error or press ENTER to continue 5 The transmit frequency will be displayed with the curser on the second digit Follow the same method as in step 3 and 4 6 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 7 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 8 Keep repeating step six until the last space is set The display will show SCAN or LOCKOUT to enable this memory position as part of the scan list or lock it out of the scan list Use the M UP and M DN keys to toggle between these functions for details see paragraph 3 5 4 Once the desired condition has been selected press ENTER The display will show a beside the memory channel number if scan is enabled TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D 3 17 TECHNISONIC INDUSTRIES LIMIT
40. ific Operating instructions for both the TFM 138B and TiL 91 DE Transceivers are also included 3 2 OPERATOR S SWITCHES CONTROLS AND INDICATORS A view of the front and rear panel is given in Figure 3 2 A functional description of each of the operator s switches controls and indicators and the microphone PRESS TO TALK switch is given in Table 3 1 Operator s Switches Controls and Indicators and Table 3 2 Channel Function Selector Keypad L 19 d A 79 kl b A di M a Y AN V Ve Lo Ze 2 N PA POS Retin SSI a Ge ef ae JG i Se MN Figure 3 1 TAF 550 Modular Communication System Set Up TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D 3 1 TECHNISONIC INDUSTRIES LIMITED WWW Il ca EM TRANSCEIVER MICROPHON Veedel dunci EM SEL a CuP VOLUME OPEN ES ALPHA NUMERIC am ropes SQUELCH FM U Lg S INDICATOR TRANSCEIVER TRANSMIT 120 FORES RY POWER EM SELECTOR TRANSCEIVER SPEAKER GUARD SWITCH RECEIVER Sen SELECTOR e MENER DISPLAY GUARD MAIN TRANSMIT power SELECTOR INDICATCR FUSE BLOWN AM Ve TOR TRANSCEIVER TRANSMIT SPEAKER INDICATOR SQUELCH INDICATOR AM TRANSCEIVER PCWER AM TRANSCEIVER SPEAKER SWITCH AM TRANSCEIVER A AM FM As TuS TRANSCEIVER i TRANSCEIVER TRANSCE SER REARPHONE VOLUME SELECTOR KEYBOARD HEADSET DTT Geen TAF 550 FM MICROPHONE MAN AM SQUELCH POWER eee SHES TRANSMIT FM TRANSCEIVER
41. ise CCW position 12 Setthe VOLUME control as desired on both Transceivers 13 Refer to Paragraphs 3 4 and 3 5 of this Manual for Operating Instructions specific to the TFM 138B or 91 DE Transceivers TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D 3 6 TECHNISONIC INDUSTRIES LIMITED WWW Il ca 3 3 2 Transmitter Operation To operate either transceiver in the transmit mode select appropriate position of the FM AM selector switch and proceed as follows 1 2 Set HI LO 10W 1W RF POWER switch to desired operating level on TFM 138B Hold the microphone in one hand with the upper edge of the microphone as close as Possible to the upper lip NOTE This technique activates the noise cancelling feature of the microphone The microphone is most effective when sound is inch 12 7 mm or more away from the microphone Press and hold the PRESS TO TALK switch of the microphone during transmission Ensure that the Tx ON amber LED is ON on the 91 DE front panel or that the alphanumeric display on the main or guard as selected indicates TX or TT on the TFM 138B TT indicates a transmit CTCSS tone or DPL code has been programmed Speak slowly and distinctly into the microphone using specified operating procedures during transmission When message is ended release the PRESS TO TALK switch of the microphone The transceiver is now operating in the receive mode Verify that the Tx ON
42. knob switch are set to OFF 4 Remove AC Cord from rear access cover and install in AC chassis connector on rear panel or install External DC Cable in External DC chassis connector on rear panel as required Caution Make certain to use the appropriate DC Cable for either 12V or 24V DC operation The 12VDC cable connects to pin 1 12V input and pin 2 ground of the DC mating connector located on the rear of the TAF 550 case The 24 VDC cable connects to pin 3 24V input and pin 2 ground of the DC mating connector 5 Install the appropriate antennae and cables to the rear panel chassis BNC connectors for AM and FM use Adjust Antenna location to maximize distance height and vertical polarization 6 Select Main Power switch to the ON position Verify the GREEN LED located above this switch illuminates 7 Remove the microphone from the front microphone mounting clip and ensure that the microphone connector is connected to the MIC PTT connector on the TAF 550 8 If desired connect a headphone to the front panel PHONE connector on the TAF 550 9 Use the FM AM selector switch on the front panel of the TAF 550 chassis to select the Transceiver for which the microphone transmit and headphone receive operations will be routed to 10 Turn the FM Transceiver and or AM Transceiver speaker ON or OFF as desired using the ON OFF selector switch located under each speaker 11 For the 91 DE set the SQUELCH control in the fully counter clockw
43. ll operate only on carrier detection but guard 1 and 2 transmit tones or codes can be programmed To program a tone code to a memory channel 1 Use the M UP and M DN keys to select the memory channel that you want to assign a CTCSS tone or DPL code 2 Press the FUNC key then the TONE key The display will show RX TONE and the current tone number as well as the tone frequency in Hz 3 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 TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D 3 20 TECHNISONIC INDUSTRIES LIMITED www til ca 3 5 12 PROGRAMMING CTCSS TONES DPL CODES continued 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 are 17 118 8 42 53 0 non standard 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 4 Press ENTER TX TONE appears on the display Repea
44. ment 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 This Warranty shall not be transferable or assignable to any other persons firms or corporations For warranty registration please complete the on line Warranty Registration Form found at www til ca
45. mergency channel 121 500 is always available as described below Refer to paragraph 3 4 6 for details Table 3 2 provides a Quick Reference of the CHANNEL FUNCTION SELECTOR KEYPAD Functions TABLE 3 2 CHANNEL FUNCTION SELECTOR KEYPAD KEYPAD FUNCTIONAL DESCRIPTION For direct frequency entry If followed only by the E key the transceiver will tune to DIGIT 0 9 that frequency but nothing will be saved in memory If followed by E and one digit for 10 channel radios or two digits for 25 channel radios the transceiver will tune to that frequency and save to the memory selected R Recalls stored channel frequency when followed by digits O to 9 or 00 to 25 Recalls last frequency displayed when preceded by the E key E Stores a frequency to channel when followed by digits O to 9 or 00 to 25 Enables Special Features See Below E 0 Recalls permanently stored emergency channel 121 500 MHz EI 17 Selects Automatic Lighting of Keypad and LCD Display Er 2 Selects Continuous Lighting of Keypad and LCD Display ES Disables Keypad and LCD Display Lighting E 4 Selects SEARCH mode E 5 Selects SCAN mode ET 6 Enables 90 second Tx time out protection Pe Disables 90 second Tx time out protection E 8 Toggles Key Beeps ON and OFF E o Disables Enables transmit on selected frequency ER Toggles between currently displayed frequency and the previously displayed f frequency Note There is a 5 second keypad time
46. mper is set 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 Quick Guard Programming Feature A quick download of any of the 120 memory positions to either of the guard memory positions can be accomplished Select the memory position whose contents you desire to download to a guard memory Select either GD1 or GD2 memory channel as desired Press FUNC then 7 The guard memory channel will now contain all the same information as the selected memory position Programming CTCSS Tones DPL Codes NOTE The TFM 138B supports both CTCSS tone and DPL code functions CTCSS tones PL tones or Digital DPL codes can be assigned to each memory channel The guard receiver squelch wi
47. ncy CTCSS tone or DPL code receive frequency CTCSS tone or DPL code an alphanumeric identifier for each channel and for wideband 25 kHz or narrowband 12 5 kHz channel spacing assignment Operating frequency and other related data are presented on a 48 character two line LED matrix display Data entry and function control are performed via a 12 button keypad Preset channels may also be scrolled and scanned through keypad function activation Data may also be entered via an MS DOS based computer with the provided software and optional PC download cable P N 943165 1 A DB 15 connector is provided on the rear panel of the TAF 550 chassis to facilitate the PC download function of the TFM 138B without the need to remove it from the TAF 550 chassis TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D 1 1 TECHNISONIC INDUSTRIES LIMITED www til ca Figure 1 1 TAF 550 Comm System General View Open amp Closed View TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D 1 2 2 1 2 3 1 2 4 TECHNISONIC INDUSTRIES LIMITED www til ca AM Transceiver Model TiL 91 DE P N 901006 2 The Transceiver is a microprocessor controlled VHF AM transceiver operating over the entire band of 117 975 to 138 000 MHz in 25 kHz steps The transceiver will store 10 or 25 user selected frequency channels in addition to the resident emergency channel of 121 500 MHz The
48. o increase the audio level or in a counter clockwise direction to decrease the audio level which can be heard on the internal loudspeaker NOTE When an external loudspeaker or headset is connected to the SPEAKER PHONE jack of the transceiver the internal loudspeaker is automatically disconnected The VOLUME control will now control the audio level applied to the external loudspeaker or headset as applicable Refer to paragraph 3 4 for Front Panel Keypad Operation and additional Operating modes 3 3 4 Switching OFF To switch off the transceiver 1 2 Set the POWER ON OFF on transceiver to switch to OFF Verify that all indicator LED s on the front panel are OFF TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D 3 8 TECHNISONIC INDUSTRIES LIMITED WWW Il ca 3 4 91 DE FRONT PANEL KEYPAD OPERATION Note The TiL 91 DE transceiver was available in either 10 or 25 channel versions until July 2012 The 25 channel version can be identified by 25 or 1283T on the option label on those units All units manufactured after July 2012 are 25 channel only All frequencies within the range of 117 975 MHz to 138 000 MHz in steps of 25 kHz can be stored in one of the available memories Channels and feature settings are stored in non volatile memory Removal of external power source or batteries will not erase stored channels or configurable features E
49. on memory and function programming 7 LED DISPLAY Two line 48 character alphanumeric message frequency display indicates information about the active main and guard frequencies including transmit receive bandwidth and CTCSS tone DPL code information 8 MAIN GUARD Top squelch LED indicates when signal is received on main receiver SQUELCH LED Bottom squelch LED indicates when signal is received on the guard INDICATORS receiver TiL 91 DE AM TRANSCEIVER Switches Controls and Indicators 9 POWER ON OFF A toggle switch applies the 27 5 volts nominal power supply to the 91 DE SWITCH transceiver The transceiver is switched to ON in the toggle UP position the transceiver is switched OFF in the toggle DOWN position 10 POWER ON LED A GREEN LED Indicates when the POWER ON OFF switch is set to ON INDICATOR and voltage is applied to the 91 DE transceiver 11 FUSE A5 Amp FUSE protects the 27 5 volts nominal power supply line 12 FUSE BLOWN A RED LED indicates when the 5 Amp fuse is blown and External DC or RED LED AC power is present INDICATOR 13 SQUELCH A linear potentiometer determines the squelch threshold level When the CONTROL SQUELCH CONTROL is rotated in the counter clockwise direction the SQUELCH GREEN LED indicates that the squelch is connecting demodulated audio to the VOLUME control 14 SQUELCH A GREEN LED indicates the squelch circuit is connecting demodulated INDICATOR audio signal to the VOLUME control GREEN LED
50. ont panel phone connector The 91 DE Transceiver utilizes an internal speaker for this purpose The lower front panel of the TAF 550 Modular Case provides a main power on off switch a transceiver backlighting on off switch a FM AM transceiver selection switch a PTT test button a 1 4 headphone connector and 0 2 microphone connector Microphone P N 961069 1 The microphone is a rugged hand held microphone housed in a high impact plastic case The dynamic microphone is a noise canceling type with a two stage preamplifier press to talk switch and a retractable three core cable terminated by a standard 0 2 aviation jack which mates with the MIC PTT connector located on the front panel of the transceiver The microphone dc supply for the microphone is supplied by the transceiver The microphone is stored in the rear access compartment for transportation A mounting hardware kit consisting of a microphone mounting clip and clip mounting screws is also provided 1 2 5 DC Power Cable for 12V Supply P N 963213 1 DC Power Cable Part Number 963213 1 is provided with the TAF 550 This cable is configured to allow operation with a 12 VDC supply Pin 1 12V input and Pin 2 ground are wired on the connector for this cable assembly Optional 24V DC Power Cable P N 963212 1 utilizes the same connector but has Pin 2 ground and Pin 3 24 V input wired The DC power cable is stored in the rear panel access cover TAF 550 Installation amp Operating Ins
51. out If while entering a frequency or setting a function no key has been pressed within 5 seconds the function will be aborted and the display will return to the previous frequency TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D 3 9 TECHNISONIC INDUSTRIES LIMITED WWW Il ca 3 4 1 Keypad Beeps Audible Beeps are generated when a key is pressed default condition Beeps can be enabled disabled by toggling the E 8 keys Press E 8 to disable Key Beeps Press E 8 to enable Key Beeps 3 4 2 Keypad and LCD Display Lighting Three Display and keypad lighting modes are available to the operator The default mode provides no keypad or LCD display backlighting In Continuous mode display backlight and keypad lighting is permanent until power is removed or until lighting mode exited In automatic mode display backlight and keypad lighting is off until a key on the keypad is pressed or until the lighting mode is exited Press E l to initiate automatic lighting Press E 2 to initiate continuous lighting Press E 3 to turn to lighting OFF 3 4 3 Transmitter Time out A 90 second time out timer is provided to prevent accidental continuous transmission Press E 6 to initiate 90 second Tx time out protection Press E 7 to disable 90 second Tx time out protection TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D 3 10 TECHNISONIC INDUSTRIES LIMITED WWW Il
52. 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 Therefore 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 second timer is reset from the last Rx or Tx signal experienced 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 TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D 3 18 3 5 4 3 5 5 3 5 6 3 5 7 TECHNISONIC INDUSTRIES LIMITED WWW Il ca PRIORITY AND SELECTIVE MEMORY CHANNEL SCANNING 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 120 memory channels are to be scanned or locked out when the scan function is invoked To use this fe
53. r0 MODEL TAF 550 Le VHF FM AM MODULAR COMMUNICATIONS SYSTEM THE MODEL TAF 550 INCLUDES THE FOLLOWING Model TFM 138B FM Transceiver 138 174 MHz Model 91 DE AM Transceiver 118 138 MHz Installation and Operating Instructions TiL Document No 96RE187 Rev D JULY 2012 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 96RE187 REV SECTION PAGE DESCRIPTION DATE Edited n c Global 3 9 Sect 3 4 1 2 2 1 6 Original Document New Document Template new file format Title page changed Headers Footers added Added Revision page Added Warranty page The 10 channel memories will no longer be available on all 91 DE based radios ONLY 25 Updated sect 3 4 for 10 amp 25 channels Update 25 channel memories as per doc 96re202A TMS 150 opt 25 Updated FCC information including antenna and FCC labeling instructions Simplify description under Warning 7 Watt changed to Low Power Revise Transmitter Characteristics for FCC and ICAN information Clarified 10 25 channel description MAR 2012 APR 2012 JULY 2012 JULY 2012 FM FM FM SM WARNING Do not make physical contact with antenna when transmitter is on CAUTION STATIC SENSITIVE
54. s transmit on receive only channels After completion of this procedure the operator will be able select stored channels only for receive or transmit Keypad entry of frequencies is disabled System Configuration 1 Configure channel frequencies as desired Refer to Section 3 2 Select channels for Rx only transmit inhibit operation Refer to 91 DE Keypad Operating Instructions in Section 3 2 3 3 Transceiver Removal 1 Remove TAF 550 Modular Case Cover the TFM 138B Transceiver then the 91 DE Transceiver Refer to paragraph 2 1 1 2 1 2 and 2 1 3 2 3 4 Transceiver Disassembly Assembly and Jumper Installation 1 Remove and retain 15 flathead screws securing transceiver top cover to chassis Refer to Figure 2 5 2 Position Jumper J6 on pin 1 and pin 2 to disable keyboard entry of frequency selection and lock operating configuration 3 Position Jumper J6 on pin 2 and pin 3 to enable keypad frequency selection and unlock operating configuration 4 Position Transceiver Cover on Chassis Ensure that cover holes are aligned with threaded inserts 5 Position 15 flathead screws through cover holes into chassis threaded inserts Tighten screws with fingers Tighten screws securing Transceiver Cover to Chassis 2 3 5 Transceiver Replacement 1 Replace 91 DE Transceiver into the TAF 550 Modular case by reversing the steps outlined in paragraphs 2 1 1 2 1 2 and 2 1 3 2 3 6 Operational Check 1 Turn 91 DE Transceiver
55. sssessresrerrrrsrrrrrrrrrrrrrrrrrrens 300 Hz to 2 500 Hz 1 3 dB Spurious Ee TEE 60 dB below carrier Human NOISES i 2285 ane dE onde ee e deiere e 45 dB below modulated carrier RECEIVER RF Input Impedance EE 50S VSWR 2 1 MAX Sensitivity 12 dB SINAD 1 KHZ 30 Mod 1 5 volts Selectivity 25 KHz Channel Spacing 6 dB Bandwidth c icas ccc aranan enai iaaa e E Greater Than 14 KHz 90 dB Bandwidth o 21de dg ed dN ANEN R dE crude eae e AnA dite EEA Less Than 50 KHz Adjacent Channel Selectivity cc ccceeeeeeee cece rete eee ee eeee een ea ea eneaaas Greater Than 90 dB Spurious Response Attenuation c cccecececee eee eeeeeee sete eaeeeeeeeaees Greater than 95 dB Frequency Stability 40 C to 55 C oo cece eee eee eee eee tere een een en en ena 0 00025 MAX RF AGC 5 pvolts to Volt Asien deisde de degen deg dee d e REENEN lias Audio Level 3 dB Intermodulation Ultimate enee idee EE eege Laake ceeaested ecudadwnnded ameecatedvensedadde 70 dB 30 De LEET 45 dB Unwanted Radiation 0 ccccceeeeee ee eens teens eeeeeeeeeeeeeee eae Less than 80 volts into 50 Q Hum amp Noise 1mV RF 30 MOD 40 dB MIN Interference Suppression 0 cccceee cece eee ee eee eee ee tees eats tees ee eeeeeeeeeees SINAD 6 dB MIN Loudspeaker Output 4 vdzd gedd ee Dee dd REENEN a 3 W MAX Phone Output 100 mW into 600 Q Audio Distortion 1mV RF Input 30 MOD 3 MAX Audio Distortion 1mV RF Input 90 MOD 6 MAX
56. t step 3 5 Press ENTER G1 TONE appears on the display Repeat step 3 6 Press ENTER G2 TONE appears on the display Repeat step 3 and press ENTER 7 The display will now show RX DPL and the current 3 digit DPL code If no DPL code is required 000 should be entered Please note that if a DPL code is to be programmed a CTCSS tone should not be enabled 8 Use the keypad to enter the required octal 3 digit DPL Digital Coded Squelch or DCS code A list of all usable and unique octal 3 digit DPL DCS codes follows 017 051 116 156 243 266 346 431 466 612 721 023 053 122 162 244 271 351 432 503 624 731 025 054 125 165 245 274 356 445 506 627 732 026 065 131 172 246 306 364 446 516 631 734 031 071 132 174 251 311 365 452 523 632 743 This list is continued on the next page TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D 3 21 TECHNISONIC INDUSTRIES LIMITED www til ca 3 5 12 PROGRAMMING CTCSS TONES DPL CODES continued 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 9 Press ENTER TX DPL appears on the display Repeat step 8 10 Press ENTER G1 DPL appears on the display Repeat step 8 11 Press ENTER G2 DPL appears on the display Repeat step 8 and press ENTER
57. to 174 MHz Keep in mind that the label for the memory channel can only have characters that exist on the TFM 138B These include only capital letters numbers O to 9 and a few other characters Any other character will show up as a blank on the unit s display You will then be prompted to enter a receive CTCSS tone a transmit CTCSS tone a receive DPL code and a transmit DPL code Although both CTCSS tones and DPL codes can be programmed simultaneously this should not be done Care should also be taken to program the correct DPL code since non unique inverted code numbers will be accepted Downloading to the Transceiver Select D from the main menu Follow on screen instructions The memory channels will be downloaded sequentially to the TFM 138B You will be able to see them on the radio s display as they go by The download process will take several minutes The data transfer is fast but the non volatile memory in the radio needs time to program The PC will return to the main menu when the process is complete The radio will also return to the normal operating mode when done Files The file containing the memory channel list is named DATA1 in the PCDLB directory The program will not run if it can not find the DATA1 file To have multiple databases you can copy the data file to a new name and edit the DATAT1 file again To retrieve a database copy it back to DATAT TAF 550 Installation amp Operating Instructions TiL 9
58. tructions TiL 96RE187 Rev D 1 3 TECHNISONIC INDUSTRIES LIMITED www til ca 1 3 MODES OF OPERATION The FM AM selector switch located on the front panel of the TAF 550 is used to select operation of either the TFM 138B FM Transceiver or the 91 DE AM Transceiver The receive audio of the selected transceiver will be routed over the headphone jack Similarity the microphone connected to the TAF 550 front panel will route transmit audio to the selected transceiver Speaker Rx audio for each transceiver can be manually turned on or off by the switch located under each speaker 1 3 1 Transmit Receive Each transceiver may be operated in either of two modes transmit or receive as selected by the Press to Talk PTT switch on the microphone 1 TRANSMIT MODE When the PTT switch on the microphone is pressed the transceiver operates in the transmit mode The PTT signal line is grounded by the microphone PTT switch via the microphone lead and the MIC PTT connector to the transceiver On the TFM 138B either a TX or TT will be shown after the frequency on the alphanumeric LED display A TT rather than a TX indicates that either a transmit CTCSS tone or DPL code has been programmed For the 91 DE the Tx ON amber LED will go ON indicating that the transmitter is activated Transmission will occur on the channel frequency displayed on the Liquid Crystal Display LCD Frequency is determined by keypad entry of the operatin
59. wband adjustments for TFM 138B only Verify that the deviation does not exceed 5 kHz for wideband and 2 5 kHz for narrowband on the following frequencies 138 000 MHz 162 000 MHz and 174 000 MHz Re adjust R30 or R76 as required if the deviation exceeds 5 kHz or 2 5 kHz respectively Place top cover on transceiver chassis and secure all eight 8 screws TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D 2 6 TECHNISONIC INDUSTRIES LIMITED WWW Il ca MAIN SQUELCH GUARD SQUELCH Figure 2 3 Microphone and Sidetone Level Main and Guard Squelch Adjustment Access Holes TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D 2 7 TECHNISONIC INDUSTRIES LIMITED WWW Il ca DEVIATION ADJUSTMENT Main Receiver Transmitter PCB Module Notes R30 is for 5 0 KHz wideband Deviation Adjustment R76 is for 2 5 KHz narrowband Deviation Adjustment FIGURE 2 4 Deviation Adjustment Potentiometer Location TAF 550 Installation amp Operating Instructions TiL 96RE187 Rev D 2 8 2 3 2 3 1 2 3 2 TECHNISONIC INDUSTRIES LIMITED WWW Il ca TiL 91 DE CUSTOM CONFIGURATION Custom system configuration for the 91 DE Transceiver includes customizing channel frequencies Channels 0 to 9 can be configured for fixed frequency operation including transmit inhibit on pre selected channels Fixed Channel Frequency Set Up The following procedure fixes pre selected channel frequencies and inhibit
60. ws 1 2 Set the main receiver of the transceiver to 156 0 MHz Connect a signal generator the antenna input of the transceiver Set the signal generator to produce a 3 kHz deviation with a 1 kHz tone on 156 000 MHz Increase the signal generator RF level from 0 1 uV until the squelch indicator LED is on Verify the receiver SINAD ratio is between 12 and 14 dB If not re adjust main receiver squelch potentiometer R3 through the access hole located on the bottom of the transceiver chassis see Figure 2 3 Repeat the above procedure to adjust the guard receiver squelch setting using guard receiver squelch adjustment potentiometer R4 see Figure 2 3 2 2 7 Transmitter Deviation Adjustment 1 2 Remove and retain the eight 8 No 4 40 screws securing the top cover of the transceiver to its chassis You should now have access to the Main Rx Tx Module 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 2 5 VRMS 1 kHz audio signal into the microphone input Adjust the wideband deviation limit potentiometer R30 on the main Rx Tx module see Figure 2 4 to produce a 4 45 kHz deviation For TFM 138B only Adjust the narrowband deviation limit potentiometer R76 on the main Rx Tx module to produce a 2 2 kHz deviation All narro
61. y and Cover removal cccccccceeeceeneeceeeeeceaeeeeaeeseeeeecaeeesaaeseeneesecaeeeeaeeseaeeeeees 2 1 2 1 2 Removal of TEM 138B eneen gege ee adie dei oe A aliens 2 1 2 1 3 Removal of TIL 91 DE estate ee ERAN ated dead satebedes AE EE ATN 2 1 2 2 TFM 138B ADJUSTMENTS AND CUSTOM CONFIGURATION neeesser 2 3 2 2 1 TFM 138B Wiring Connections 0 ceccceceeeceesceceecceceeeeeeaaeeeeeecaeeesaaeseeaaesseeeseaeeeeaeeneneees 2 3 2 2 2 Internal Enable Disable Jumper AA 2 3 2 2 3 Transmitter Power Adjustments c ccccceeeeeceeeeeee cee eeeeaeeeeaeeeceaeeesaaeeeeaaeseeeeeseaeeesaaeeeeees 2 4 2 2 4 Transmitter Microphone level Adjustment eeccceeeeeeeeeeeeeee cee eeeeaaeeeeeeeseaeeesaeeeeaeeeenees 2 4 2 2 5 Transmitter Sidetone level Adjustment ccceecceceeeeeeeeeeeeeeeceeeesaaeeeeaeeseceeeesaeeeeaaeeeeees 2 6 2 2 6 Main and guard Squelch Adjustment cescceeeeeceeeeeeeaeeeeeeeecaeeeeaaeseeeeeseaeessaeeteaeeeeaas 2 6 2 2 7 Transmitter Deviation Adjustment 0 ecccceeecceeeeeceeeeeeeeeeeeee sees eeaaeeseeeeeseeessaeeeeaeeseeeeees 2 6 2 3 91 DE CUSTOM CONFIGURATION 000 ccccceecceceeeeeeeceeeeeeeeeeeeeceeaeeesaaeseeeeeseaeeesaeeeeaeenenees 2 9 2 3 1 Fixed Channel Frequency Set Up 00 ccccccceecceceeeeeeeeeeeaaeseeneeeseaeeeeaaeseeneeseeeetaeeseaeeesaes 2 9 2 3 2 System CONMOQULALON EE 2 9 2 3 3 Transceiver Removal ccccecececeeceececeeeeeaeeeeeeee cae eeeaaeseeeeeeeaeeeceaeeeeaaeseeaeeesaaeeseaaese

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