FT=2400Η
Contents
1. m Version B EA 145 6 145 85 tive and closing the push to talk switch changes to the shifted transmit frequency The ARS function is disabled at the factory See the box on the previous page to enable it As already mentioned you can use the man ual shift method RPT button at any time to select a new shift state whether ARS is acti vated or not However if you change frequency inside a repeater subband with ARS activated manual repeater shift selections are cancelled Simple Memory Storage amp Recall The FT 2400H offers 31 memories labelled 1 28 C L and U Each can initially store the current operating data from the dial mode or a retuned memory Once a memory has been stored its repeater shift and offset CTCSS tone data and settings for the DTMF Paging and CTCSS options can be modified a 4 character name can be assigned and a separate transmit Automatic Repeater Shift Repeater Subbands 1464 146 6 147 0 1474 147 6 148 0 frequency can be stored Memory C the CALL channel memory can be recalled instantly by the 9 ih L button and memories L and U store programmable subband limits described later in addition to general purpose operation To store a frequency in memory J Select the desired frequency and repeater split direction if desired in the dial mode as already described or by retuning a memory J Press and hold the F W button for 4 second until a second beep sounds A mem2. TMF HWCROPHONE Mik 27 FT 2400H 2 m 50 Watt Mobile Paging Transceiver Table of Contents Specifications 1 Accessories i Controls amp Connectors Installation ee r Antenna Considerations Mobile Installation Base Station Installation External Speakers Microphones Operation seca ay E oe oe Preliminary Setup Squelch Setup Frequency Selection Modes Frequency amp Step Selection Transmitting Repeater Splits Automatic Repeater Shift Simple Memory Storage amp Recall Recalling Memories Odd Split Memories Naming Memories CALL Channel Memory Separate Transmit Frequency Memories Memory Tuning Hiding and Erasing Memories Scanning Programmable Subband Limits Priority Channel Monitoring CTCSS Operation DTMF Paging amp Code Squelch w FRC 6 In Case of Problems Memory Backup Memory Cloning Packet Radio Internal Adjustments Installation of Options s LJ 18 18 19 19 20 21 21 22 24 25 34 36 36 37 37 F T 2400H Features The FT 2400H is a special version of Yaesu s top of the line professional grade commercial land mobile transceivers intended for 2 meter FM operation in the amateur radio service With its compartmentalized one piece die cast chassis the FT 2400H provides 3 step user selectable power output up to 50 watts easily without forced cooling Backlighting for the large LCD display
3. or sign appears at the top center of the display when minus or plus shift is selected respectively Example To operate through a 146 34 146 94 MHz repeater O Tune the display to 146 94 MHz to receive on the output frequency J Press RPT once A minus should appear at the top center of the display if not keep pressing RPT until it does O When the channel is clear press the PTT switch on the microphone and send your callsign The display should shift to 146 34 MHz while you transmit Of course this example only works if the offset is set to 600 kHz as supplied from the factory You can change it as described in the box on the previous page With repeater split activated you can re verse the transmit and receive frequencies by pressing the skip button above the selector knob i Use this to display the transmit frequency with out transmitting and to check the strength of signals on a repeater uplink frequency The re peater shift sign blinks while reverse split is selected Press ane again to return to the normal shift direction Automatic Repeater Shift The ARS Automatic Repeater Shift feature activates repeater offset automatically when ever you tune to the standard repeater sub bands see chart below With this feature enabled a small or at the top center of the display indicates that repeater shift is ac Version A 145 1 1455 146 0 om
4. A04270001 SP 7 External Loudspeaker A03590001 Microphone Impedance 2kQ Controls amp Connectors 2 0006 1 POWER Button 3 SQL Control Press this button to turn on the transceiver Press and hold it for V5 second to turn it off 2 Microphone Jack This 8 contact modular jack accepts trans mit audio tone call burst or dial memory selection and scanning control from the mi crophone and provides receiver audio for a speaker mic Memories can be copied to and from another FT 2400H through this jack and a packet tnc can be connected 40 This control sets the threshold level at which a received signal or noise opens the squelch and can be heard For maximum squelch sensitivity set this control from counter clockwise just until noise is silenced and the BUSY indicator on the display is off when the channel is clear 4 VOL Control This control adjusts the volume of the re ceiver audio and of the button beeper niri tthe ter cide n 5 RPT Button This button toggles repeater shift up down or off The alternate function displays shift offset and ARS status 6 TONE Button This button toggles the CTCSS subaudible tone features encode on transmission only encode decode on both transmission and reception and off If the optional FTS 17A Tone Squelch Unit is not installed only encode and off modes are available The al ternate function display
5. and Dec de code are displayed together as tone squelch is activated for both transmission and reception requiring a matching tone frequency to open the squelch Pressing TONE once more disables tone squelch You can store different CTCSS tones and en code decode states 1n each memory in the same manner and at the same time as storing operating frequencies Later to change the tone or state stored in a memory just recall it reset the tone frequency or func tion and store the memory again CTCSS Bell Paging with the FTS 17A CTCSS Bell operation is very similar to the CTCSS encode decode operation just described in that subaudible tones open the squelch How ever if you are waiting for a call itis sometimes convenient to have the transceiver ring to get your attention The CTCSS Bell mode displays a small bell above the 10 s of MHz frequency digit on the display or to the left of the name if displaying a memory by name When you receive a matching CTCSS call the small bell on the display blinks to indicate you received a call and the transceiver rings like a telephone if you have the ringer enabled see box below To activate the CTCSS Bell J Tune to the desired frequency or memory O Select a CTCSS tone frequency using the F W and TONE buttons as described on the pre vious page if you have not already J When you expect to receive calls from sta tions using tone squelch
6. knobs and major but tons is automatically controlled by a photosen sor and the less used buttons have a flip down protective cover The thirty one freely tunable memories can each be programmed with a 4 character chan nel name which can then be displayed in place of frequency as desired Each memory offers complete programmability and scanning func tions such as independent tx rx frequencies independent repeater offset and CTCSS tone programmable scan limits selectable scan re sume modes and memory skip priority moni toring and a 1 touch instant recall CALL channel Channel steps are user selectable from 5 to 50 kHz and Automatic Repeater Shift can set standard repeater shifts when you tune to a repeater subband A 1750 Hz tone gener ator is included 1n European versions A 38 tone programmable CTCSS encoder is built in as standard and the FTS 17A CTCSS decoder unit can be installed to provide tone squelched private channels and a CTCSS paging bell feature to sound a paging alert tone when the tone squelch opens Revolutionary DTMF Dual Tone Multi Fre quency based selective calling and private paging capabilities can be easily added with the optional FRC 6 controlled entirely from the front panel You can select any of 999 3 digit ID codes for your transceiver and then have your receiver stay quiet until your code is received from any standard DTMF equipped trans ceiver When a call is received the FT 240
7. C the CALL channel with the same result Memory C re quires a slightly different procedure Notice that pressing d from the dial mode always re calls the last stored or used memory Recalling Memories In confirming the results of the last example we used the a button to change from the dial mode to the memories after they were stored The memory label appears in the memory box at the upper left corner of the frequency display whenever operating on a memory When more than one memory has been stored you can select a memory for operation with either the selector knob or the microphone DWNand UP buttons If you use the microphone buttons press and release the button for each memory if you hold the button down for sec ond memory scanning will start Odd Split Memories After storing a frequency with or without repeater shift from the dial you can modify the repeater shift and offset of that memory only Just recall the memory press RPT as necessary to set the shift direction and then follow the steps in the Changing Repeater Offset box on page 15 If you want to make the new offset permanent for that memory remember to press and hold the F W button for 5 second until the second beep sounds and then press it again momentarily Of course you could also store a separate transmit frequency in the memory described later to obtain the same result but you may find this more straightforward when deal
8. E DEON E ANN Bes SACRA yat REEL ege rr LEER ARENIS fn ana RON SN An Es a PA Te REE NNN nnd Re aite D PE IND et Rat are serpents NA E INO CBRN ae GASA ER ee RAR NS RI hg RES SERO aes pare e RL PSA A SANAE EON P RAAS AOAN Ee The scanner pauses when a signal opens the squelch and the decimal point on the display blinks You can also stop the scanner manually by pressing A Memory Skip Scanning When you have some very active channels stored in memories you may wish to skip them when scanning but still have them available for manual selection You can mark a memory to be skipped by pressing F W c while re ceiving on the memory SKIP appears in tiny letters just to the right of the memory number box to show that this memory will be skipped during scanning although you can still recall it manually Once set the scan skip state re mains with the memory until it is specifically cancelled To to this and re enable the memory for scan ning just repeat the steps you took to disable it select the memory manually and press F W REV SKIP Programmable Subband Limits Besides band and memory scanning the FT 2400H can be set to tune or scan only the fre quencies between two frequency limits of your choice with the selected channel steps Briefly the procedure is to store the limits in the special memories labelled L lower and U upper and MH then with either memory recalled press the PRI button mo
9. again to cause the next digit to the right to blink and again turn the selector knob to select the next digit of your ID code Repeat the above step to set the last digit At this point if you want to go back and change one of the three code digits you can press the DWN button on the microphone Your ID code 1s now stored in Code Memory 1 You can press E to return to the frequency display now or you can store other code memo ries in the same way press bu or the micro phone buttons again to get the Code Memory number in the memory box blinking turn the selector knob and repeat the above steps How ever before storing more Code Memories you will need to consider an additional feature for Code Memories 2 7 described next Generally you store another station s ID Code so you can page them but you probably do not want to have your transceiver ringing every time someone else calls them On the other hand you store group codes with the intention of receiving any pages to the group so you want your squelch to open and the transceiver to ring if paging During the Code Memory storage procedure described above when storing Code Memories 2 7 you have an opportunity to decide whether your transceiver should respond to in coming paging calls on a particular Memory Code At any time when a Code Memory 1s displayed you can press the F W button to toggle DTMF squelch paging capability on and off When on th
10. decoding or CTCSS Bell at their end activate tone squelch en code decode operation as described above so they will not miss your signal when you turn off the CTCSS Bell later to reply J Press F W tt to activate CTCSS Bell pag ing the small bell icon will appear As with CTCSS decoding all calls without a matching CTCSS tone will be ignored by your receiver but those with the matching tone will cause the transceiver to ring and the squelch to open while the caller transmits The bell icon begins to blink and continues until you manu ally reset it by pressing the PTT switch to transmit retuning or pressing 4m Note that the other station does not need to be using the CTCSS Bell function to call you they can use normal CTCSS encode only or encode decode functions of their transceiver When you receive a call if you have the ringer enabled you will need to disable the CTCSS Bell feature to prevent ringing every time the other station transmits press F W gt ms to turn it off The CTCSS Bell system is not memory spe cific turning it on or off affects the dial and all memories Note If you activate the Bell without having an FTS 17A installed it will ring every time the squelch opens DTMF Paging amp Code Squelch with the FRC 6 Option The FRC 6 option includes a DTMF tone en coder decoder and a dedicated microprocessor providing paging and selective calling features under DTMF control The p
11. is active but that the resulting transmit frequency is out of range If the main frequency or memory name dis play is visible but pressing a button appears to do nothing first check for LOCK at the top left corner of the display If you see it press F W gt ace to unlock the buttons Otherwise you can press the d button which will usually termi nate any partially entered commands If the number in the memory box is blinking the display is showing a DTMF Memory Code This occurs spontaneously when a DTMF page is received Press Font to return the frequency dis play to normal If you still cannot enter data check to see if the TX indicator near the upper left of the display 1s on indicating that the transceiver is transmitting Releasing the PTT switch should return the set to receive If still nothing hap pens switch the transceiver off and then back on If the display shows all segments at the same time or shows C Rx and you cannot turn the set off you may have inadvertently started memory cloning press the PTT switch the display will change to Err and then hit the power switch to return to normal operation As a last resort if you are unable to gain sensible control of the transceiver reset the CPU as described in the next section To avoid confusion resulting from inadver tent button presses set the keypad lock on press F W gt ory if you leave the transceiver u
12. to code squelch mode To do this after you have exchanged initial paging calls press see twice to change from paging to code squelch mode then F W pies to bring up the code setting display and then turn the selector knob one click clockwise to display a blinking 1 in the memory box If while you were doing this he just changed from paging to code squelch mode when you again transmit he should hear you and you hear him without the ringing With Code Squelch activated in this manner you will hear three DTMF code digits at the start of each of his transmissions and your set will also transmit the same three digits when you press your PTT switch These digits are those stored in the current Code Memory and they will open the squelch of both stations There fore at the start of each transmission you must wait a second or two after pressing the PTT switch for the DTMF code to be sent and his squelch to open before you start speaking When you finish your conversation to reac tivate DTMF Code Paging press oie twice so that PAG is again displayed Digitally signed by http www aa4df com In Case of Problems Although basic operation of the FT 2400H 1s simple some of the newer features may seem somewhat complicated at first The small num ber of controls belies the variety of features that are available and some buttons have more functions than are indicated by their labels So it is not di
13. 0H displays the caller s code and a paging beeper can be set to sound and even to respond to the call automatically Seven DTMF code memories store your ID plus those of six other frequently called stations or groups you wish to monitor Please read this manual carefully to become familiar with the FT 2400H Specifications _ General Receiver Frequency Range 144 146 or 148 MHz or Circuit Type 140 150 MHz Tx 140 174 MHz Rx Double Conversion Superheterodyne Channel Steps 5 10 12 5 15 20 25 amp 50 kHz IFs 21 4 MHz amp 455 kHz Frequency Stability 10 ppm 20 to 60 C Sensitivity for 12dB SINAD better than 0 2 uV Selectivity 6 60 dB 12 30 kHz IF Rejection better than 70 dB Mode of Emission F3 Antenna Impedance 50 ohms unbalanced Supply voltage 13 8V DC 10 negative ground Image Rejection better than 70 dB Current Consumption typical Maximum AF Output Rx 400 mA Tx hi med low 12 9 5A 2W into 8 ohms 91095 THD Operating Temperature Range 20 to 60 C Case Size WHD Specifications subject to change without notice or obliga 160 x 50 x 180 mm w o knobs n Weight 1 5 kg 3 3 Ib Transmitter Accessories Output Power high med low 50 25 5W FTS 17A CTCSS Unit p n A03700002 Modulation Type Variable Reactance FRC 6 DTMF Pager Unit 03740001 Maximum Deviation 5 kHz MH 26cs8J Hand Mic w Burst A04290001 Spurious Radiation less than 60 dB MH 27a83 DTMF Keypad Mic
14. It provides silent monitoring of busy channels when activated by the ENCode DECode Tone Squelch function J Disconnect the DC power cable and refer ring to Figure 1 remove the four screws affixing the top cover two on either side and loosen the one on top from the back by several turns Lift the rear edge of the cover slightly then remove it Referring to Figure 2 note the accessory mounting locations If installing the FTS 17A remove the paper from the double sided adhesive pad Carefully align the pins with the white con nectors on the board and press the unit s into place The FTS 17A goes over the smaller connector and the FRC 6 over the larger one The factory adjusts the output tone levels the small trimmers accessible through the option boards for the proper deviation so they should require no further adjustment Replace the top cover and four screws re moved in the first step and remember to tighten the screw at the back of the top panel from the rear Figure YAESU MUSEN CO LTD C P 0 BOX 1500 TOKYO JAPAN YAESU U S A 17210 Edwards Rd Cerritos California 90701 U S A YAESU EUROPE B V Snipweg 3 1118AA Schiphol The Netherlands E03131000 1080 BK a
15. S Encode Repeater Shift mum MT ENC DEC PAGE CODE CTX JLow Medium Tx g g M Ne w n Power i y I5 Rx S Units DTMF Decoder Relative Tx Enabled for Mem Scan Skip CTCSS Bell ES Power Paging Squelch Open 18 17 13 8V DC Cable Pigtail w Fuse This is the power supply connection for the transceiver Use the supplied DC cable to connect this pigtail to the car battery or other DC power supply capable of at least 12 Amperes continuous duty Make certain that the red lead connects to the positive side of the supply The fuse is 15 A fast blow 18 EXT SP Jack This 2 contact mini phone jack accepts a 4 to 16 ohm external speaker such as the Yaesu SP 3 SP 4 SP 7 or SP 55 Inserting a plug into the jack disables the internal speaker 19 ANT Coaxial Socket Connect a 144 MHz antenna to this type M S8O 239 socket using 50 ohm coaxial cable and a type M PL 259 plug Make sure the antenna is designed specifically for use on the operating frequency Installation This chapter describes installation of the FT 2400H with typical supplied accessories Instal lation of internal options the FRC 6 DTMF Paging SelCall Unit and the FTS 17A CTCSS Decoder Unit are described at the back of this manual If you have any of these options turn to Installation of Options at the back before installing the transceiver as described below Antenna Considerations The FT 2400H is desig
16. aging and code squelch systems use 3 digit numeric codes 000 999 transmitted as DTMF Dual Tone Multi Frequency tone pairs The FRC 6 has eight Code Memories in which to store 3 digit DTMF paging codes The primary function of the DTMF signal ling system allows your receiver to remain si lent until it receives one of the stored 3 digit codes Then the squelch opens so the caller is heard and in the paging mode the transceiver also rings like a telephone if desired see the box on the previous page When you close the PTT to transmit the same three prestored DTMF code digits are sent automatically In the paging mode three more DTMF digits are also sent representing your personal station identi fication The DTMF paging and code squelch systems are selected by the CODE button Either PAGE or CODE appears at the top of the display when DTMF paging or code squelch is activated re spectively DTMF Code Squelch The code squelch mode is very simple Both you and the other station communicate using the same 3 digit DTMF sequence sent automat ically by the FT 2400H at the start of every transmission Your receiver normally remains silent to all signals that are not prefixed by your selected 3 digit code After you receive the tones your squelch opens and stays open dur ing their transmission To use the code squelch mode you must first store and then manually select the one Code Memory ho
17. at is when the decoder is enabled to receive paging calls with this Code Memory an underbar appears beneath the memory box Therefore if you are setting a Group Code you want to have the underbar on and if setting another station s Individual Code you want it off As already mentioned this distinction does not apply to code squelch only non paging op eration code squelch behavior is the same re gardless of this setting Note that the underbar is displayed perma nently on Code Memory 1 since this is your own ID that you will always want to receive when paging is activated Also the underbar never appears on Code Memory 0 since this is re served for display of the ID of incoming paging calls Replying to a DTMF Page and Resetting After setting a Code Memory even before returning to the frequency memory display by pressing tus you can receive DTMF Paging calls directed to you Any DTMF equipped station can call you by sending your 3 digit code followed by their 3 digit ID Code If you monitor with the code squelch activated CODE displayed your squelch will open when you receive the cur rently selected DTMF Code even ifitis not your ID in Code Memory 1 If you are monitoring with the DTMF Paging feature activated PAGE displayed blinking after a call is received the transceiver reacts according to how you stored your Code Memories as described above The paging ringing tones can be set as desc
18. can tune in the same ways as described before for the dial mode including MHz steps If you are displaying the memory name instead of frequency the display will change to frequency while you tune and then automatically back to the name after a few seconds You can store the new frequency and settings in the current or another memory Just press and hold F W for 5 second select the new mem ory if desired and press F W again momentar ily Operation remains on the new memory as the old memory reverts to its original state 2 ptem dh iib Ss acer eee Tau ur d ur HE ru rcbus We UD EE RET OD te Eh jubar We retenu WE rubi VE DEAE de TE ko uoa M HH gt d gt ites pe tides a Pcr Pus PE Tu rn t 1 Pte AE NES NL ah Maps re Fc T E HEX ues 1 Ss ee gt 1 33 i EM E Ip x 3 t r den 1 PH tu E rA pipes T dt After retuning a memory if you don t want to save your changes just press once to return to the original memory data or twice if you want to leave the memories and return to the dial mode Hiding and Erasing Memories As already mentioned storing data in a memory automatically overwrites previously stored data except the memory name How ever if you regularly move from one area to another you may not always want to use the same memories With the FT 2400H you can select and alter which memories are available during memory selection and scanning without having to rewrite them from
19. cero dem de Iz L T Hs by Cien pieces tee 4 H P oh be I iar s b E X DNA T ML MU E 5 P 3 5 SETT r I X mui 4 f c v ver 9 8 Se Y A as opposed to just pressed momentarily the instructions will say so A five second timer starts when you press F u and clears when you pressing a button to make a new selection If you don t make a selection in five seconds the button functions return to nor mal white labels A button beeper provides useful audible feed back when buttons are pressed at a level deter mined by the volume control Each button has a different beep pitch and each function has a unique beep combination For example when you press the d button you will hear a pair of low medium or high pitched beeps corre sponding with the RF power level selected You can disable the beeper as described in the box on the next page but we recommend you keep it enabled while getting to know the controls If you have trouble getting the transceiver to work as described see In Case of Problems on page 34 Squelch Setup Before turning on the transceiver for the first time J Preset the VOL and SQL controls fully counter clockwise C Then press the POWER button if the trans ceiver is off and adjust the VOL control for comfortable volume on the noise or any re ceived signal BUSY should be displayed in reverse letters at the far left O If y
20. e MH 27A8j DTMF keypad microphone also includes a button on the front which when used with a version A FT 2400H duplicates the d button on the front panel of the transceiver Both microphone models include a PTT Push To Talk switch to activate the transmitter and DWN and UP buttons for tuning and memory selec tion Operation This chapter describes the transceiver func tions in detail After studying these descrip tions keep the FT 2400H Operator s Quick Reference Card handy in case you need to re fresh your memory Preliminary Setup Before operating the transceiver recheck power supply and antenna connections and connect your microphone to the front panel jack Never operate the transceiver without a proper antenna for the operating band Also please read the earlier Controls amp Connectors section if you have not already to familiarize yourself with the controls As mentioned before references to alternate button functions have F W in front of the button name to remind you to press the F M button first momentarily and then the other button within five seconds while F appears in reverse above the leftmost frequency digit on the display Don t hold the F W button down as that will give you a different result and don t press two buttons as the same time except the PTT switch when storing a separate transmit frequency When a button should be held down AJ Paca o he FA kd art EF a
21. e for ventilation above and behind the set Use the mounting bracket as a template to mark the locations of the mounting holes Use a 4 8 mm 946 bit to drill the holes and se cure the bracket with the four supplied long screws washers and nuts see diagram Position the transceiver in the bracket so o that the holes in the sides are aligned with those in the sides of the bracket and bolt the transceiver into place with the supplied short screws and flat washers The microphone hanger may be installed wherever convenient Mobile Power Connections To minimize voltage drop and avoid blowing the car fuses connect the supplied DC cable directly to the battery terminals Do not at tempt to defeat or bypass the fuse it is there to protect you and the equipment es NUT STAR WASHER FLAT WASHER GC mime Pe 5 E EE TEN MOUNTING pros Tdv i ue yt E FA UA EVI re S U R C E Morc RC MOUNTING FLAT WASHER BRACKET SCREW J Before connecting the transceiver check the g voltage at the battery terminals while rev ving the engine Ifit exceeds 15 volts adjust the car regulator before proceeding Connect the RED power cable lead to the POSITIVE battery terminal and the BLACK lead to the NEGATIVE termi nal If you need to extend the power cable use 14 AWG or larger insulated stranded copper wire Connect the cable to the trans ceiver pigtail only after c
22. emory by pressing EAA CALL Channel Memory Although invisible to the memory recall method described so far the CALL channel memory can be instantly toggled by the a button C appears in the memory box when the CALL memory is active The factory default for the CALL channel memory is the bottom edge of the band You can reprogram it from the dial with any frequency and repeater state or even a separate transmit frequency After storing the frequency you can also set and change repeater settings and give it a name to display in place of frequency just by recalling it before following those procedures To store the current dial frequency repeater state in the CALL channel memory hold the F W button for 4 second to display something in the memory box then press the PA button To store a name for the CALL channel follow the same steps for a regular memory after pressing imn so the procedure is done while C appears in the memory box To store a separate transmit frequency in the CALL channel after storing the receive frequency tune the dial to the transmit frequency and repeat the storing procedure above but this time holding the PTT switch when you press the IET button Separate Transmit Frequency Memories Besides the CALL memory all other memo ries can store independent receive and transmit frequencies however if you are working through a repeater you might find storing a unique repeater off
23. ep it as short as possible to avoid RF pickup Digitally signed by http www aa4df com RADIO Jack ON TNC SEE Receiver Audio 8 ohms de emphasized ground to transmit out EZN 400 ohms pre emphasized Grund pins ground Transmit Audio Internal Adjustments Inside the top cover are several adjustments that you may wish to make to match the trans ceiver to your operating requirements the top cover can be removed as described on the next page You can adjust the volume of the button beeper relative to the front panel VOL control by the BEEP trimmer and medium and low power output levels by the MID and LOW trim mers if you have a VHF wattmeter See the Caution box below y Ls d Jes on EE i 005 VWR3006 YR3007 R3002 mer ECOLE D Installation of Options This section describes the installation proce dures for the FRC 6 DTMF Pager and FTS 17A Tone Squelch Unit These options are available from your Yaesu dealer The FRC 6 provides DTMF paging selcall fea tures using 3 digit DTMF station ID codes Seven code memories store your ID code plus those of six frequently called stations or groups Control is provided through the front panel of the transceiver See the Operation chapter for operational details The FTS 17A includes a decoder for 38 EIA standard subaudible CTCSS tones programma ble from the front panel of the FT 2400H
24. ffective lower subband limit of 146 000 MHz Tune the dial to any channel between 148 000 and 148 095 MHz J Repeat the second step selecting U in the memory box This stores the effective upper subband limit of 148 000 MHz n Press u to change to memory operation Q Press the E button momentarily to activate the 146 000 148 000 subband limits for tuning and scanning To cancel your subband limits and return to memory operation press ud Gf you are scanning or want to return to dial operation you must press it twice Pressing the fer button also cancels subband limits as operation switches to the CALL channel Once you have stored the L and Y memories you can reactivate the subband just by recall ing either memory and pressing t However you cannot activate the subband when the L or U memories are marked for skip scanning you ll get ordinary memory tuning or if either of these memories are masked hidden 4 Priority Channel Monitoring Priority monitoring provides automatic checking for activity on a priority channel memory every five seconds while operating on the dial or other memories When the receiver detects a signal on the priority channel opera tion automatically shifts to that memory while the signalis present plus a few seconds If you transmit while paused on the priority channel priority monitoring ceases and operation stays on the priority memory To set up for prior
25. fficult to get lost at least until you have had the chance to familiarize yourself with all of the features This section provides some tips to help you navigate the various dis play and button modes If the display shows nothing at all push the power switch and check the power supply con nections and the fuse in the power cable pigtail If the fuse is blown you will need to find out and correct the cause before replacing it Replace the fuse only with one of the same type and capacity 15 A fast blow The display usually tells a lot about the cur rent state of operation With the FRC 6 option installed the display can take on many differ ent states Most of these are shown at the right together with the button to press in each case to return to the main operating frequency dis play You will also see a programmable 4 letter word displayed in place of frequency when a DTMF Code Setting option press PAGE named memory is displayed Pressing Ld will display the frequency Except for the main fre quency and the memory name displays most or all of the other buttons will be disabled anyway It is well worthwhile to study the main fre quency display diagram on page 6 carefully This display is the basis for basic operation For example if the frequency display changes unexpectedly when you transmit or if Err appears check for a small or at the top center indicating that repeater shift
26. ime activates the Memory Tune MT mode and pressing it again enables 1 MHz steps The alternate function of this button activates priority monitoring described in the Operation chapter P displayed instead of the memory number to the upper left of the frequency 13 REY Button SKIP During split frequency operation such as through a repeater this button reverses transmit and receive frequencies During memory operation the alternate function sets the current memory to be skipped dur ing scanning 14 Button is also used to store current operating data into a memory by holding it down for 14 sec This button switches operation between the ond releasing and pressing again and to two main tuning modes dial and memory toggl l ble features The alternate function marks the current OSE S BEY ere POE TAM MAVIC eae 3 memory to be skipped during scanning This button is duplicated by a MA on the mi 16 Display crophone in non European versions The display segments are as shown below 5 The main digits on the display may show 15 F W Button operating frequency memory name or any of This button activates the alternate functions many parameters during setting such as blue labels of most of the other buttons It tuning step size CTCSS tone frequency or ANE RO ER LE Panel Lock Memory Tuning Alt Key Funcs CTCSS Decode DTMF Paging DTMF Code Transmit Enabled Squelch Memory Box CTCS
27. ing with repeaters Naming Memories Once you have stored a memory you can assign it a name to be displayed when it is recalled in place of the frequency Names can be up to four characters long using capital A Z 0 9 and an underline To store a name first store the memory and then recall it as already described Press and hold the F W button for second until the second beep sounds and the mem ory number starts blinking in the memory box J Within five seconds of pressing F W press the A button Unless a name was previ ously stored for this memory the frequency will be replaced by with the first pair of hyphens blinking C You can now use the selector knob to choose the first character of the name to be dis played J After selecting the desired character use SE or the microphone DWNand UP buttons to get the next pair of hyphens blinking and use the selector knob to set this character J Repeat the last step until all characters are set as desired and then press Ld twice At the first press the display will return to the memory frequency After the second press the memory name will be displayed for this and any other memories that have been assigned names unnamed memories will still be displayed as channel frequencies Once you have stored names for several memories you can toggle between frequency and name views for all of them at any time while receiving on a m
28. ity monitoring J Preset the squelch and store the frequency to be monitored in a memory this must be memory 1 if you will be operating on other memories during priority monitoring O Press D to operate in the dial mode or else select the memory you want to operate on MHz and then press F W PRI A P appears in the memory box and about every five seconds the displayed frequency shifts to the priority memory briefly while the receiver checks for a signal While no signal appears on the priority chan nel to open the squelch you can tune transmit and receive on the dial or select and operate on other memories but not scan them If a station you wish to talk with appears on the priority memory press the PTT switch momentarily while receiving their signal to stop priority checking Otherwise when a signal appears on the priority memory priority checking will pause and the decimal on the display will blink Priority monitoring wil resume according to how you set the scan resume mode either after a 5 second pause or after the carrier drops see page 22 To cancel priority monitoring manu ally press LUE Note that you can use any other memory as a priority channel in the above procedure when you are going to be operating in dial mode You cannot however switch from memory to dial operation or vice versa without first cancelling priority monitoring pressing 4 cancels priority monitoring You also cann
29. lding the 3 digit DTMF code required to open both your squelch and that of the other station as described on the following pages Also in the code squelch mode Code Memories 1 7 always function the same the distinc tions and special settings described below for the paging mode do not apply In either code squelch or paging modes any DTMF equipped station can call you they can use a DTMF keypad to send the three digits if you are in code squelch mode or six digits if you are in paging mode DTMF Paging In the DTMF paging mode you can receive signals that are prefixed with any of up to seven different pre stored 3 digit codes according to the way you program the Code Memories When you receive a paging call the selected Code Memory changes automatically and the display responds by displaying a Code Memory number blinking in the memory box and with the 3 digit DTMF code of the caller in place of the frequency display The meaning of the Code Memory number and 3 digit code displayed de pends on how you stored the paging code Individual Codes These are personal ID codes to identify each station uniquely You store one of these for your ID in Code Memory 1 You can store up to six other Individual Codes of stations you call often in Code Memories 2 7 When someone else transmits your Individual Code your dis play shows Code Memory 0 blinking in the memory box with the other station s Individual C
30. mentarily As described previously in Memory Tuning MT appears in the memory box but this time it is blinking and you can tune the memory al though the frequencies stored in memories L and U now limit the tuning and scanning range to the resulting subband If the either ARS or manual repeater shift is activated repeater off set is applied automatically when you transmit even if the resulting transmit frequency is out side the subband limits If you store an odd repeater offset this is one different from the dial mode s repeater offset in one of the limits the odd offset will be applied Note The frequency resolution of subband lim its is 100 kHz although the channel resolution of memories I and U is the selected channel step size Therefore the frequencies stored in both memories L and U are rounded down to the nearest 100 kHz to determine the actual sub band limits Since they are not limited to a specific frequency you can still use the L and U memories for other purposes on any frequency within the 100 kHz range above the intended subband limit Example To limit reception to 146 0 148 0 MHz only applicable to certain transceiver ver sions Tune the dial to any channel between 146 000 and 146 095 MHz J Hold the F W button for second tune the selector knob so that L appears in the mem ory box and then press F W again momen tarily The displayed frequency is now stored to provide an e
31. nattended while it is on Remember to set the lock back off when you wish to enter data Resetting the CPU The FT 2400H has three levels of resetting memory only all setting soft reset and all set ting hard reset To reset only the memories hold the F W and D buttons while switching the set on Your step repeater shift and other setting will be re tuaniend while the memories will be cleared To clear all setting to their factory defaults hold and cP while turning the transceiver on Then turn the transceiver off and hold only while switching it back on again If for some reason this fails you can perform a hard reset by removing the top cover and shorting across the split solder pad on the circuit board exposed on the inside of the front panel just behind the top left corner of the display Then hold A while switching on Memory Backup Normally a lithium battery inside the trans ceiver retains all settings and memories while power is off or disconnected If the transceiver looses its memories but still operates prop erly this battery should be replaced The front panel must be removed to gain access to the battery which is on the inside of the front panel just behind the memory box on the display It should be replaced only be an Yaesu authorized technician to ensure that it is installed properly Memory Cloning All memory data stored in one transceiver can be moved to another by connecti
32. ned for use only with an antenna having an impedance near 50 ohms on the 2 meter band For optimum performance use a high quality carefully designed antenna The antenna should always be connected when operating the transceiver to avoid damage that could otherwise result if transmission occurs accidentally without an antenna Make sure your antenna is designed to han dle 50 watts continuous transmitter power For best performance and safety in mobile installations mount the antenna in the center of a flat surface out of reach of human hands 50 watts can cause an RF burn to anyone touch ing the antenna during transmission Also for best performance use the shortest possible length of thick top quality coaxial ca ble for your feedline Be sure to use a matching type M plug for the jack on the transceiver Mobile Installation The FT 2400H must only be installed in cars having a negative ground electrical system Mount the transceiver where the display con trols and microphone are easily accessible us ing the supplied MMB 48 mobile mounting bracket The transceiver may be installed in any position but should not be near a heater vent or where it could interfere with driving Make sure to provide plenty of space at the top and rear so that air can flow freely through the heatsink Refer to the diagrams on the next page for installation O Decide the mounting location with sufficient clearance for the transceiver plus spac
33. ng the mi crophone jacks together with the optional clon ing cable available from your Yaesu dealer J Turn both transceivers off and connect the mic jacks together Press and hold the F W buttons while turning the power switches on All segments of the displays will be on J Press the od button on the destination transceiver the display will show C Rx in place of frequency J Press the RPT button on the source trans ceiver The display will show C Tx while the data is being transferred and should then return to normal If Err appears on the destination display turn both transceiv ers off and try again If the display of the destination transceiver remains all blank or all on and you cannot turn the transceiver off press the PTT switch the display will change to Err and then hit the power switch to return to normal operation Re check your cable and then try again CJ Turn both transceivers off and remove the cloning cable Packet Radio Packet radio operation with the FT 2400H requires a later model tnc with a PLL tpe DCD circuit since there is no readily accessible squelch status output from the radio to tell the tnc when the channel is clear Connections be tween the tnc and the microphone jack of the FT 2400H can be made as indicated in the table below You must use an 8 pin modular telephone type plug for the mic jack connections Use shielded cable for the audio lines and ke
34. ode appearing in place of the operating fre quency so you can see who called Group Codes This type of code identifies a group of sta tions You would generally share a Group Code with other club members or friends When you receive a call with a Group Code the Code Mem ory number 2 7 in which you stored that 3 digit Group Code appears blinking in the memory box with the corresponding 3 digit Code number in which you stored that code to the right Note that for a Group Code the display does not show the ID and code of the caller but those of the group instead Code Memories 2 7 can be used to store either Individual Codes for calling purposes only or Group Codes for both calling and receiving as you desire When either an individual page directed to you or a call to a group is received the PAGE indicator starts blinking and continues until you reset it unless you have activated the auto transpond feature described in the box on page 31 This is convenient to let you know if some one called while your attention was elsewhere Also the ringer sounds once or every two min utes according to how you have it set page 26 Remember with code squelch operation but not with paging you can only receive a call on the currently selected Code Memory and the display does not change nor the ringer sound when a call is received So for code squelch as mentioned before the Individual Group dis tinction d
35. oes not apply although you must still store the 3 digit Code Memories Storing Code Memories The first thing to do before using the paging or code squelch systems 1s to store your Individ ual Code in Code Memory 1 J Activate the DTMF Code Memory display by pressing F W Cone The current Code Memory number appears blinking in the memory box and the frequency display is replaced by the corresponding 3 digit DTMF Code 000 if not used before J Turn the selector knob to select Code Mem ory 1 the Code Memory digit can be set to 0 7 with 0 being read only and 2 7 pro grammable with group or other individual s IDs Code Memory 1 is for your personal DTMF paging ID Code J Press either the ont button or the UP button on the microphone The Code Memory num nN MEEA SO atoque a GEOR SE ONIN ON m pon D Uu cn Nat SN EEE GUS Ree ee Re HS RAO eco 256 2059 SES ae ES corny ee ee POPE TUS PEU NU MO staan VR DRE eee UTE av Prae Rande Se A pre st ATE tat ey tty Pati aer a ey v RR S SCN y rre vor TER TAR OR DR NH BURSA SS RRO N RN RO ARE NSO EL RSEN BRE SNS UE 30 ber will stop blinking and the first digit of the 3 digit DTMF Code will start blinking I Turn the selector knob to select a DTMF Code digit between 0 and 9 corresponding to the first digit of the personal ID code for your station whatever you wish to use I Press M or the microphone UP button
36. onnecting to the battery ee euro SEE SES RSS EBES SS fe gies dM e USE H Se ES jm i i f ai SL pur Ed MEL T LE MO jm i NN ia a TER me IJZOCImrero Ir FFF r LA n AR gis 4 LE ud J a Mexia i a ster ej He 296 Mix ce HD hiti TM E TUE ILE Ei ipse nr Base Station Installation Operation from the AC line requires a power supply capable of providing at least 12 A con tinuously at 13 8 V DC We recommend using an external speaker since the internal speaker is mounted on the bottom of the transceiver The FP 700 AC power supply loudspeaker is available from your Yaesu dealer to meet these needs Use the DC power cable supplied with the transceiver for making power connections and connect the external speaker cable to the speaker jack on the rear panel External Speakers Using an external speaker with the FT 2400H lets you position the source of audio where it is most convenient to overcome back ground noise in and around the car The op tional SP 7 External Speaker includes its own swivel type mounting bracket and is available from your Yaesu dealer Of course the older SP 3 SP 4 or SP 55 External Speakers may also be used Plugging in an external speaker disables the speaker in the transceiver Microphones The MH 26G8j handie microphone for the European version B FT 2400H includes a but ton on the front for transmitting a 1750 Hz burst tone to access repeaters that require it Th
37. ory num ber or letter appears blinking in the memory box J Within five seconds of pressing F M use the selector knob or microphone DWNand UP but tons to select the desired memory for stor age in the memory box If you select one that was already being used it will be over written with new data 1n the next step J Press F W momentarily to store the dis played data into the selected memory The memory label will stop blinking for a second and then disappear as operation continues in the dial mode Example Store the 146 34 146 94 repeater data in memory 5 First perform the steps in the example on page 15 to set up the desired frequency and offset on the dial Press and hold the F W button for V5 second to display a memory label in the memory box then do the next step within 5 seconds C Turn the selector knob so that 5 the mem ory number to store shows in the memory box J Press F M again momentarily That s it The dial data has been stored in memory 5 After a few seconds the memory box will clear and you are left operating on the dial To confirm that this worked turn the selec tor knob to change the dial frequency to any thing then press a to change from dial to memory mode The numeral 5 should appear in the memory box and 146 94 the receive fre quency should appear on the display Press a to confirm the transmit frequency of 146 34 MHz You can use any memory except
38. ot scan during prior ity monitoring CTCSS Operation The built in tone encoder function can be used to access repeaters and stations that re quire a CTCSS subaudible tone by sending a tone whenever you transmit Also if you have the FTS 17A CTCSS Decoder Unit option in stalled you can silently monitor for calls on busy channels The encode function superim poses a subaudible tone at a frequency too low to be heard on the transmitted carrier The optional FTS 17A decode function monitors receiver audio through a narrow filter at the same subaudible frequency keeping the squelch closed until you receive a matching tone Installation of Options at the back of this manual describes installation of the FTS 17A To check or set the CTCSS tone frequency press F W TONE to display the tone fre quency in Hz To change the tone frequency rotate the selector knob or press the microphone DWNand UP but tons until the display shows the tone frequency you re quire from the choices in the table at the right Press TONE to return to the operat ing frequency display after checking or select ing the tone frequency To activate CTCSS operation just press TONE when the operating frequency is displayed ENC encode appears at the top of the display and the tone generator 1s activated for trans mission If you press TONE again without the FTS 17A option the encoder turns off If the F TS 17A is installed both Enc
39. ou hear a signal turn the selector knob to a clear channel only noise O Turn the SQL knob clockwise just to silence the noise The BUSY indicator will disap pear Setting the SQL further clockwise re duces sensitivity to weak signals Whenever a signal reaches the receiver that is strong enough to open the squelch BUSY will be displayed Note that while receiving one or more bar graph segments may appear at the lower left corner of the display indicating signal strength of received signals This is not affected by the squelch setting so even squelched signals can give some indication If more than two bar graph segments appear while the squelch is closed try reducing the squelch control setting if you want to hear weak signals Frequency Selection Modes Dial Mode This mode is for tuning or scanning the band when looking for a channel on which to operate when you don t have a specific frequency in mind In this mode the selector knob and mi crophone buttons each tune the band in the selected step size or in 1 MHz steps and the scanning function tunes in the selected step size Memory Mode This mode is mainly for operating only on specific frequency channels known in advance and programmed into the memories For ex ample after storing the frequencies of your lo cal repeaters into memories you can confine operation to those channels by selecting the memory mode In this mode the selector knob mic
40. ribed in the box on page 26 to suit your preference For paging you can also have your transceiver re spond automatically when you are paged as described in the box at right If you press your PTT switch after receiving a call the Code either Individual or Group is Hi is 4 R e THRA T t THESES Y D Fns D mie ni E 2 AP d Eh LP ait ns x Y d transmitted automatically and if paging is en abled your ID Code is sent as well To respond to an individual call when your display shows Code Memory 0 pressing your PTT switch causes your transceiver to transmit your ID Code and the other station s ID Code automatically that is the one displayed in Code Memory 0 and resets the blinking indi cator The other station will then hear a ring from their receiver as their squelch opens You will probably want to switch from paging to code squelch mode once contact is estab lished or your transceiver will continue to ring every time the other station transmits To do this both stations must both have the same 3 digit code selected so at least one of you will have to change your Code Memory selection recall that when a DTMF paging contact is es tablished the transceivers at both ends are set to Code Memory 0 with the other station s unique ID displayed If you change your Code Memory selection to Code Memory 1 it will then match his Code Memory 0 and all he will have to do is switch from paging
41. rophone buttons and scanning function se lect sequentially from the stored memories The FT 2400H gives you 31 memories each of which can store repeater shift and direction CTCSS settings and separate receive and transmit fre quencies There is also a Memory Tune mode in which you can tune just like the dial mode and store the resulting retuned memory into the same or another memory This and other special memory mode functions are described later but you will want to keep these terms in mind You can tell at a glance which channelling mode is in by looking in the shaded memory box above and to the left of the frequency display If the box is empty you are in the dial mode If you see a number or an L U or C in the box you are in the memory mode The vd button near the top right corner of the display and the button on the front of the MH 27A8J microphone toggles between the dial and memory modes While in the memory mode your previous dial mode selections are pre served Also when you switch from the dial to the memory mode the last selected memory is recalled Frequency amp Step Selection You can select a new operating frequency from either the dial mode or by retuning a memory For now we suggest using the dial mode If you see a memory number in the mem ory box press the K button to switch to dial mode There are two ways to select your operat ing frequency by the selector knob or with
42. s the CTCSS tone fre quency and button beeper status 7 Anc Button This button activates DTMF paging or code squelch if the FRC 6 Paging Code Squelch option is installed The alternate function displays DTMF Code Memories 8 Ent Button Press this button to jump to and from your CALL channel memory The alternate func tion toggles the CTCSS paging bell described later 9 MN Button While receiving on a memory pressing this button toggles the display between fre quency and alphanumeric name The alter nate function displays and allows changing the tuning step size and the scan resume mode as described later 10 Selector Knob This 24 position detented rotary switch is used for tuning memory selection and most function settings The DWNand UP buttons on the microphone duplicate the functions of this knob 11 en Button Press this button while receiving to toggle high medium and low transmitter power 50 25 and 5 watts respectively The dis play shows Low above the S meter when either low or medium power is selected The alternate function of this button disables the selector knob and most of the front panel buttons except itself F W and POWER and the microphone buttons Press F W and this but ton again to unlock the panel 12 Eni Button This button allows tuning in 1 MHz steps the kHz digits blank on the display If re ceiving on a memory pressing this button the first t
43. scale for high Release the PTT switch to receive If you require more power press the ed but ton again to switch to medium or high power However we recommend using low power whenever possible to minimize possible inter ference current consumption and heating If using a European version press the button on the front of the microphone to transmit a 1750 Hz Burst Tone to access repeaters that require it Repeater Splits The FT 2400H offers several methods to set up split frequency operation for repeaters man ual band and memory specific automatic ARS and independently stored transmit re ceive frequencies The manual and automatic methods shift the transmit frequency above or below the receive frequency by a programmable offset This offset is preset at the factory to 600 kHz but can be easily changed as described in the box at the right When in the dial mode only one offset at a time can be used This offset can only be changed while in the dial mode and is applied any time repeater shift is activated manually or by ARS in the dial mode For repeaters that require an odd split you can either program a memory specific offset or store an independent transmit frequency in the same memory These methods are described later in the discussion on memories To activate the standard shift manually just press the RPT button once for minus shift again for plus shift and again to return to simplex A small
44. scratch This is done by masking certain memories so that they are hidden from operation and unmasking them only when desired To mask a memory J Recall the memory to be masked C Press the F W button for l5 second until the second beep and the memory label blinks If you were displaying the memory name it will revert to frequency at this point J Press the ane button This causes the display to change to the next lower stored memory and the previously selected memory to be no longer selectable manually or by scanning described later To unmask a hidden memory for operation I Recall any memory Press and hold the F W button for l5 second Select the memory number to be restored Press the syp button not F W When you have hidden some memories be careful not to overwrite them accidentally If you do you will loose all previous contents ex cept the name Scanning Before you start scanning make sure the SQL control is set to squelch off the noise on a clear channel You start and stop scanning with the DWNand UP buttons on the microphone Just press and hold the button for more than 14 sec ond to start scanning Ifthe transceiver is in the dial mode band scanning will result Other wise if a memory label is displayed only the memories will be scanned EN d eer ae aud Eee ee SAS ERE ESO ae SRS ANNA E RE RE ANS ET RD RAE MEET CE M OR SEN cree Eee D A DEC RENAL ELLA FL RR REN
45. set to be simpler see Odd Split Memories above To store a sepa rate transmit frequency J Store the receive frequency using the method already described under Simple Memory Storage it doesn t matter if a re peater offset 1s active O Tune to the desired transmit frequency J Press and hold the F W button for 4 second to display the memory label box again Press and hold the PTT switch while press ing F W once more momentarily this will not key the transmitter Whenever you recall a separate transmit fre quency memory appear together at the top center of the display As with regular re peater offset operation you can press the AE button to display the transmit frequency but in this case both shift symbols will blink After storing a memory with a separate transmit frequency if you rewrite the receive frequency the separate transmit frequency is deleted Memory Tuning While receiving on a recalled memory you are free to change settings such as repeater shift and offset as already described as well as CTCSS and DTMF Paging settings described later However in the memory mode the selec tor knob and microphone buttons normally just select from among the stored memories To change the function of these controls so that you MHz can retune the current memory press the pp button momentarily MT appears to the left of the memory label in the memory box and you
46. the microphone buttons However holding one of the microphone buttons for more than sec ond starts the scanner This is described later but if you ve already started it just press a microphone button again to stop To select the MHz range in which you wish to operate first press the M button above the selector knob so that the kHz digits are blanked and then turn the knob To return to normal tuning and display just wait five sec onds or press ont again to redisplay the kHz digits and then turn the selector knob Default channel tuning steps are 5 kHz in version A and 12 5 kHz in version B for Eu rope To select another step size press F W ews turn the selector knob for the desired steps and press V again See the box above if the buttons or knob fail to operate Transmitting Press the ace button at the upper right sev eral times if necessary to select low power output The display will return to normal after a few seconds and LOW is displayed to the left of the memory box when either low or medium power is selected When you wish to transmit wait until the channel is clear BUSY not dis played and squeeze the PTT switch on the microphone while talking across the front of it During transmission 7X appears at the left side of the display and the S amp PO bargraph shows relative transmitter power output 4 seg ments for low power 8 for medium and full
Download Pdf Manuals
Related Search
FT=2400 ft-2400 ft-2400i ft2400h ft2400n ft2400hc ftm2400 ft2400h yaesu ft2400h battery replacement ftx2400r-ss ft 2400 yaesu