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Manual EFJohnson 7243 LTR-Net Portable UHF

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  • EFJohnson 7243 LTR-Net Portable UHF - page 1

    OPERA TING MANUAL 7 243 L TR-N ET ™ P OR T ABLE UHF TRUNKED PORT ABLE RADIO ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 2

    LAND MOBILE PRODUCT W AR RANTY - The manufacture r ’ s warrant y statement f or this produ ct is avail able from your product supplie r or from E.F . Johnson Compa ny , 299 Johnso n A venue, Box 1249, W aseca, MN 560 93-0514. Phone (5 07) 835-6222 . Copyright © 2001 by the E.F . Johnson Compan y The E.F . Johnson Company , which was founde d in ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 3

    SAFETY TRAINING INFORMA TION 4 SAFETY TRAINING INFORMA TION W A RNING This radi o pr oduces RF electr omagnetic ener gy when tr ansmitting an d is designe d and classif ied for “Occupat ional Use Only ”. Radio equipment with thi s classifi cation mus t be used only during the course of empl oy- ment by i ndividuals awa re of the hazar ds and th ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 4

    SAFETY TRAINING INFORMA TION 5 • DO NOT transmit mo re than 50% of total rad io use time (50% duty cy cle). T ransmitting for mo re than 50% of the time can cause FCC R F exposure compliance requirements to be exceeded. This radio is transmitting when- ever Tx is indicated in the lower right co rner of the display . Pressing the P TT switch on th ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 5

    T ABLE OF CONTENTS 6 T ABLE OF CONTENTS SAFETY TRAINING INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . 4 QUICK REFERENCE GUIDE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 General Featur es . . . . . . . . . . . . . ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 6

    T ABLE OF CONTENTS 7 TELEPHONE CALLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Placing Telepho ne Calls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Receiving a Telephone Call . . . . ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 7

    T ABLE OF CONTENTS 8 CONVENTIONAL FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Squelch Adjust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Monitoring Bef ore Transmitting . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 Transmit Disable On Bu sy . . . . . . . . . . . . . . . . ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 8

    QUICK REFERENCE GUIDE 9 QUICK REFERENCE GUIDE Change system number - Press S Y S or or SYS (1-99) [p g 21] Change group num ber - Press GRP or or GRP (1-99) [pg 21 ] System sca n on/off - FC N SCAN ( indicates scanning is ena bled) [p g 40] Change s can list s tatus of dis played sys tem - FCN S.A/D ( indicates that the system is in the scan list a ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 9

    FEA TURES 10 FEA T URES General Features • LT R - N e t ™ , L TR ® , and conventional operati n g modes • Unique 8-charac ter system identification tags • System and gr oup scan • User progr ammable system and grou p scan lists • Menu mode to select various functions • Thre e progr amma ble op tion s witch es • Call progress tones ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 10

    CONTROLS AND DIS PLA Y 11 CONTR OLS AND DISPLA Y T op Panel Cont rols On-O ff V o lum e - T urning th is knob clockwi se turns power on and sets the volu me level. Tu rning it countercloc kwise to th e detent tur ns power of f. Power is on when inform ation appear s in the disp lay . For more informat ion on setti ng the volume, r efer to page 20. ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 11

    CONTROLS AND DISPLA Y 12 Option Switch 1 - This swit ch can be syst em operator pr ogrammed to control a specif ic function (see page 35). Antenna Jack - Connection po int for t he antenna. Accessor y Connector - When the p rotective cover is removed, t his connecto r can be used f or connect ing optional accessorie s. Battery Re lease Button (N ot ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 12

    CONTROLS AND DIS PLA Y 13 Displa y 8-Charact er Alphanumeric Dis play - This ar ea of the dis play indicat es the sel ected syste m/group (see “S ystem/Group Disp lay Mode” on page 20), the dialed numb er (see “Dial Mode” on page 37), er ror condi- tions, a nd other inf ormation. - Indica tes that the displaye d system is i n the scan list ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 13

    CONTROLS AND DISPLA Y 14 - Indi cates that the conven tional monito r mode has been e nabled by the Monit or option switch (see p age 49). - “ P ” indi cates that th e disp laye d grou p is an L TR-N et/L T R pri ority 1 group, a nd “ P 2 ” indicat es that it is a pri ority 2 group (see page 45). - Indic ates that t he displayed group is i ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 14

    CONTROLS AND DIS PLA Y 15 Fr ont P anel Ke ys Most fron t panel keys h ave two or more f unctions. The f unction on the key i s usuall y selected by simply pre ssing the key , and the function under th e key is us ually selec ted by firs t pressi ng another key such as the FCN key . In additi on, some key funct ions may be avai lable in th e stan- ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 15

    CONTROLS AND DISPLA Y 16 SYS (RCL) S t anda rd Mod e SYS - Sele cts the n ext higher syst em. SYS - S elects the n ext lower sys tem. SYS (xx) - Direc tly se lects s pecif ied sy s tem. FCN RCL - Momentarily dis plays the re vert (sele cted) system if it is not a lready being displaye d. Dial Mode RCL - Scroll s through th e numbers progra mmed in ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 16

    CONTROLS AND DIS PLA Y 17 Dial Mode 2 - Dials the “ 2” digit. FCN PHONE - Exits t he dial mode and sends the call termin ation code. 3 (DIAL) S t anda rd Mod e FCN DIAL - Selects the dial mode without cha nging the cur rently select ed group. 3 - Pre ssing this k ey wi th the P TT s w itch p resse d tran smits th e “3” digit. Dial Mode 3 - ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 17

    CONTROLS AND DISPLA Y 18 Dial Mode 6 - Dials the “ 6” digit. 7 (S.A/D) S t anda rd Mod e FCN S.A/D (Syst em Add/Delete) - Changes the scan list s tatus of the cu rrent ly dis playe d sys tem. T he sy stem i s i n the s can li st and scanned n ormally if “ ” is di splayed when not scanning. 7 - Pre ssing this k ey wi th the P TT s w itch p r ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 18

    CONTROLS AND DIS PLA Y 19 Dial Mode 0 - Dials the “ 0” digit. FCN STR (0-9) - Stores the displ ayed number in t he specifi ed memory loca tion. () S t anda rd Mod e - Pres sing t his ke y with th e P T T swit ch pre ss ed tra nsm its the “ ” digit. SYS - Select s the next lower system ( see prece ding “SYS” ke y descri ption). GRP - Sel ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 19

    B A SIC OP ER A TION 20 B ASIC OPERA TION P ower-Up Sequ ence When power i s turned on us ing the top p anel on-of f/volume control, the back light tu rns on, all se gments and icon s in the disp lay are momen- taril y enab le d, and the last seven dig its of the tr ans cei ver par t number are very bri efly displ ayed. A beep then sounds (if t one ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 20

    BAS I C OP E RA T IO N 21 modes, pres s FCN STR. T urnin g power of f does not cha nge the selec ted mode. These mod es operate a s follows: Numeric Mode - The syste m and group numbe rs are disp layed as “ Sx x Gxx ” and th e group alp ha tag is not displayed. For example, Syste m 1 and Group 2 are displaye d as follows. When only group sc ann ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 21

    B A SIC OP ER A TION 22 select ed, a tone sounds a nd wrap-around to the highest system or group occurs. • T o directly sel ect a system o r group number , press SYS or GRP and then the number o f the desir ed syst em or gr oup. For example, to s elect Group 9, pres s GRP , 0, 9 . A lead ing “0” mus t be entered fo r digits 1 -9 for the selec ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 22

    BAS I C OP E RA T IO N 23 Low Bat tery Indic ation When the ba ttery vol tage drops t o the point where rechar ging is requi red, th e icon is i ndicated in t he bottom part of the displ ay . In addit ion, a beep so unds when thi s indicat ion initial ly appear s and when the push -to-talk switch is rel eased (if t he key pres s tone is ena bled). ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 23

    B A SIC OP ER A TION 24 L TR-Net and L TR Operation The L TR-Net and L TR modes provide automatic channe l select ion and monito ring befo re transmitt ing. Special tones and display messag es indicat e busy and out-of-rang e conditions , and telep hone calls ca n be placed a lmost as convenie ntly as with y our home teleph one. Selecti ng a syst e ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 24

    GENE RAL FEA TURE S 25 GENERAL FEA T URES Bank Select A bank is a col l ect io n of sel ect abl e sys tems that ha ve been set up for a speci fic applicati on. For example, o ne bank could be programmed f or operati on in Minneapol is and anothe r for oper ation in Milwa ukee. Up to sixtee n banks can be pr ogrammed, and eac h bank is identif ied b ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 25

    GENERAL FEA TURES 26 Home System/Gr oup Select T o select the preprogrammed Home system/group, simpl y press the FCN HOME. The Home syst em/group progra mmed for the cur rent bank is then displayed and it becomes th e select ed system/grou p. If no home system/g roup has be en programmed, thi s function i s not avail able. Proc eed (Clear -T o-T al ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 26

    ST ANDARD GR OUP CALLS 27 Time-Out Timer The time- out timer dis ables th e transmitte r if it is keyed continu - ously fo r longer t han the progr ammed time. It ca n be progra mmed for 0.5 - 5.0 minutes or di sabled enti rely . If th e transmit ter is keye d continu- ously fo r longer t han the progr ammed time, th e transmitt er is disabl ed, ? ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 27

    ST ANDARD GR OUP CALLS 28 Placing a Standar d Group Cal l 1. T urn tran sce ive r powe r on and set the volu me as des cri be d sta rt ing on page 20. W ith conventiona l op era tion, also ma ke s ure tha t the squelch is prope rly set as d escribed on page 48. 2. Select t he system an d group of the mobile b eing call ed as descr ibed on page 21. ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 28

    ST ANDARD GR OUP CALLS 29 • If the radio sys tem coul d not be a ccessed b ecause of an out-of -range conditi on or some other reason, the intercept t one sounds (see page 52) and “ NO ACESS” is indicated in the di splay . The P TT switch mus t then be rel eased and pre ssed agai n to make another access att empt . • When resp onding, bu sy ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 29

    TELEPHONE CALLS 30 TELEPHONE CALLS General NOTE: T elephone call s can be pla ced and r eceive d only if tha t service i s availab le to you a nd your transc eiver has been pr ogrammed appr opriately . The tele phone call ing feature allows you to place and receive t ele- phone calls using your transce iver . The followi ng informatio n describ es ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 30

    TELEPHONE CALLS 31 • If the radio system i s busy or coul d not be acces sed, busy or no access condition s are indica ted the sa me as describ ed for sta ndard group cal ls on page 28. • W ith L TR-Net operat ion, a short tone sounds to indicate t hat the number was accepted by the system. 5. When the o ther par ty answers, p ress the P TT swi ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 31

    L TR-NET A UXILIAR Y CALLS 32 Landside-O riginate T elephone Calls If tel ephone calls can be placed , it is us ually possib le to recei ve tele- phone cal ls from a lan dside teleph one. W ith some r adio systems, e ach mobile i s assigned a u nique telephone n umber so that i t can be dial ed direct ly . W ith othe rs, the numbe r of the rad io s ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 32

    L TR-NET A UXILIAR Y CALLS 33 3. Select the dial mode by pressing FCN DIAL. This mode i s indicate d when the ha ndset porti on of t he telephone icon is displ ayed. 4. Dial th e desire d number which s pecifie s the mobile or group of mobiles being ca lled. If it has been previ ously st ored, this numbe r can be recall ed from memory by pressi ng ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 33

    OPTION SWITCHES AND ME NU MODE 34 The tran sceiver ma y be programmed so responses always occu r on the las t selected gro up. In this case, the gr oup may need to be manually changed t o respond t o these call s (see “T ransmitting In The Scan Mod e” on page 43). Uniq ue ID and Dir ecte d Group cal ls can also be p laced f rom a landsi de tele ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 34

    OPTION SWITCHES AND ME NU MODE 35 Opti on Sw itches The push- button switch on the top panel (see pa ge 1 1) and the switch i mmediately above and th e switch imme diately bel ow the P TT switch o n the side panel (see pa ge 12) are programmabl e by your sys tem operato r . The functions which can be controlled b y these swi tches are basical ly th ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 35

    OPTION SWITCHES AND ME NU MODE 36 • T o display the selected op tion for a pa rameter , press th e STR key . • T o change the se lected op tion, press t he and keys . • T o exit back t o the parameter and save the se lected optio n, press FCN STR. • T o exit back t o the para meter witho ut changing t he select ed option, press STR. 3. When ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 36

    DIAL MODE 37 DIAL MODE Intr oduction When placi ng calls tha t require a number be diale d (telephone and auxili ary), using t he dial mode al lows the numb er to be dial ed at any convenie nt rate, dialing erro rs to be cor rected, and t hen the ra dio system to be aut omatically acc essed and numb er transmitted when desired. Th e dial mode also ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 37

    DIAL MODE 38 Dialing a Number Enter th e de sired number by p res si ng t he 0- 9, , and keys. Othe r dialin g functio ns are as fol lows: • Only the l ast 8 digit s dialed ar e displayed. T o momentaril y display the upper 8 digits, pr ess FCN . • T o erase the last digi t, press the CLR key (hol d it down to repeat ). T o erase t he entire nu ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 38

    DIAL MODE 39 NOTE: The charac ter is stor ed and sent nor mally (no pause occurs) , and the charact er should not be stor ed because it may terminate t he call w hen i t is sen t. Recalling Numbers Fr om Memory From S pecif ic Loca tion - FCN RCL 0-9 ( location numbe r) S tored in Next Location - RCL (hol d down to rep eat). If a number is alread y ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 39

    SYSTEM AND GROUP SCANNING 40 SYSTEM AND GR OUP SCANNING General Introdu ction The scan fe ature monitors , in s equ ence, t he sys tems a nd/or groups in the sca n list. When a message is de tected t hat the tran sceiver is programmed t o receive, s canning stops and the mess age is recei ved. Shortly after the mes sage is co mplete, scanni ng resu ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 40

    SYSTEM AND GROUP SCANNING 41 Scan T ypes The type o f scannin g selected i s determined b y the menu mode S CN TYPE paramet er (see page 35). If it is not s electable, the scan type is fixed by system oper ator progra mming. The avai lable scan types are a s follo ws. SYSTEMS - Both sys tem and group GROUPS - Group sca nning only OFF - Both ty pes ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 41

    SYSTEM AND GROUP SCANNING 42 systems a re not sc anned). If roaming is ena bled, regi strati on on other sites occurs n ormally and sc anning of L TR-Net systems o ccurs as just descri bed. However , if the cu rrent L TR-Net site is lost and no ot her L TR-Net site c an be located, the L TR and c onventional systems in the scan list a re also scan ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 42

    SYSTEM AND GROUP SCANNING 43 Systems and groups can be deleted from the scan list in the normal manner while listening to a message on the system or group by simply pressing the S.A/D or G .A/D key . Scanning resumes shortly after the system or group is deleted. Saving Scan List If the menu mode SCN SA VE parameter is available (see page 35), you c ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 43

    SYSTEM AND GROUP SCANNING 44 to the new s ys tem/ g roup, o r chan ges t empor arily . T his in tu rn affec ts the system/g roup on whi ch re sponses oc cur . The dis play alwa ys ind icates the system/g roup on whic h a call is r eceived, but t his may not be the syste m/ group on whi ch a response occurs. The th ree progr ammable configur a- tion ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 44

    L TR-NET A ND L TR FEA TURES 45 L TR-NET A ND L TR FEA TURES T ransmit Inhibit The T ransmit Inhibi t feature prevents the transmit ter from keying i f the mo bil e you ar e calling i s busy with a not her c all. When th e tr ans mitt er is disa bled by this feature, the interce pt tone so unds and “TX INHIB” i s displa yed (see foll owing illu ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 45

    L TR-NET FEA TURES 46 L TR-NET FEA TURES NOTE: Other L TR-Net featur es ar e describe d starting on page 45. L TR -Net Standar d Calls S tandard grou p calls are between two mob iles or bet ween a mobile and a cont rol stati on. T o place these ca lls in the L TR-Net or L TR mode, simply se lect the des ired group an d press t he P TT switch (no nu ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 46

    L TR-NET FEA TURES 47 Roaming L TR-Net radio loca lities (si tes) can be linked to gether to pr ovide wide are a coverage. Calls can then be aut omatically routed to your current locati on as you trave l from loc ality to lo cality . Both sta ndard group and special cal ls may be ro uted in this manner . If your tr ansceiver is progr ammed for roam ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 47

    L TR FEA TUR ES 48 L TR FEA TURES NOTE: Other L TR fea tur es ar e described st arting on page 45. Standar d Group Calls S tandard grou p calls are between two mob iles or bet ween a mobile and a cont rol stati on. T o place t hese calls i n the L TR or L TR-Net mode, simply se lect the des ired group an d press t he P TT switch (no nu mber is dial ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 48

    CONVENTIONAL FEA TURES 49 3. Press t he key unt il r ece ive r noise is he ard and then pr ess until the nois e jus t mutes . T o decrease or i ncrea se the se le cted l evel in steps of 10 (or se lect the min imum or maximum level i f this is not pos sible), press FCN or FCN , respectively . NOTE: Sligh t r eadjust ment may be r equir ed if weak m ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 49

    CONVENTIONAL FEA TURES 50 Monitor Mode Ther e may be tim e s whe n the B u sy in dic at ion is disp l ayed e ven though no one i s using th e channel . Monit oring should the n be perfo rmed using th e monitor mod e. This mode is en abled and dis abled by press ing the Mon itor opti on switch (s ee page 35), and is indicate d by in the displa y as ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 50

    CONVENTIONAL FEA TURES 51 While the P TT switch is pressed, the receiver is enabled s o that activi ty on the chan nel can be mo nitored. The P TT switch must be releas ed and then pre ssed again t o make another c all attempt. Occa sion- ally , a busy cond ition may be de tected even t hough no one is talking. T o key th e tran s mitte r i n this ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 51

    MISCEL LANEOUS 52 MISCELLANEOUS Supervisory T ones The fo llowing tones are heard at various ti mes when opera ting this transc eiver . Some or all of these tones ma y be disabled by the T ONES menu paramet er or progr amming (see “T one Select” on page 27). Busy T one This ton e is simil ar to the st andard tele phone busy t one, and it in di- ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 52

    MISCELLANEOUS 53 is disp layed, the transmitte r has been disabled by t he T ransmit Inhibi t feature ( see page 45). • Receive- Only Group - If this ton e sounds when the push-to-ta lk switch i s pressed and “TX DISBL” is displayed, th e group is rece ive- only (see page 26). Proceed ( Clear -T o-T alk) T one - This is a short s ingle or d o ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 53

    MISCEL LANEOUS 54 Pro ceed Dialing T one - When pl acing a land side-to-mobi le telephone call ( see page 32), the landside cal ler may enter a special nu mber which specif ies the mobil e being calle d. This ton e indicates when that number should be dialed. L TR T elephone Call T ones The fo llowing tones are generat ed by L TR int erconnect eq u ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 54

    MISCELLANEOUS 55 BUSY - Indic ates that t he L TR-Net or L TR radio system i s curr ently busy (see “Bus y T one” on p age 52). CALL SVC - Indicate s that t he transceiv er is ino perative. Cont act your syste m oper ator fo r serv ice. DSBL BSY - Indi ca tes th at the trans m itter i s disa bl ed by the co n ven- tional Tr ansmit Disable On Bu ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 55

    MISCEL LANEOUS 56 OUT -LOCK - Indicat es that the s ynthesizer is unlocked. Refer to “Transce iver Se rvice” o n pag e 61 fo r mo re infor mation . PROG ERR - Indicates an EEPROM read er ror . Refer to “T ransceiver Service” on page 61 for more in formation. SLEEPING - Indicat es th at the t ransceiv er has bee n temporar ily disa bled by t ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 56

    MISCELLANEOUS 57 SCN CONT - Scan continue on-o ff • ON or OFF SCN SA VE - Scan list save • ON = save, OFF = not saved SCN TYPE - Selects typ e of scanning • SYSTEM - Both sys tem and group • GROUPS - Group sc anning only • OFF - All s canning disab led S/G DISPL - System/ group displa y mode • ALPHA • NUMERIC TON E S - Beep tones se l ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 57

    MISCEL LANEOUS 58 T ypical opera ting time before rechar ging is requ ired is 7. 3 hours. This ass umes that t he transcei ver is tran smitting at high power 5% of t he time, re ceiving an d producing aud io 5% of the time, and in th e standby mode (rece ive with aud io muted) 90% of the time. If the low- power mode is sel ected or dif ferent times ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 58

    MISCELLANEOUS 59 Battery Char ger Operation The char ger s hown above has two slots in which to place a battery . The back s lot is for f ast char ging and the front slot is for slow c harging . Only the b attery can b e inserted i n the fast c harg e slot and th e entire transc eiver ca n be i nsert ed in the s low char ge slot if desir ed. Batte ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 59

    MISCEL LANEOUS 60 char ging is occurring, an d char ging continu es at the slow rate unt il the batter y i s removed fr om t he c har ger . Approximate c har ge time in t h is sl ot for a f ully dischar ged b attery is 20 hours (with t ranscei ver power of f if applica ble). If transceive r power is on, t his slot bas ically maint ains the char ge ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 60

    INDEX 61 Licensing A government license is usually req uired to o perate this transce iver on the ai r . Y our sys tem operator will normally handle th e licensing requir ements. T ransceiver Service If your t ransc eiver is not ope rati ng properl y , “OUT -LOCK”, “PROG ERR”, “SLEEPING”, o r “CALL SVC” may be display ed. It may be ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 61

    INDEX 62 Contr ols On-O ff/V o lume 11 Option Switch 12 P TT Switch 12 T op Panel 11 Convent ion a l Mode 24 Conventi on al Mode Scanni ng 42 D DIAL Key 17 Dial Mode 37 Exiting 39 Selecting 37 Dialing a Number 38 Directed Group Call 32, 46 Disabl ing Keypad 22 Display 13 Display Me ssages 54 Displa y Mode Alpha T ag 21 Numeric 21 F Fast Ch arge 59 ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 62

    INDEX 63 N Numeric Display Mode 21 O On-O ff/V o lume Con t rol 11 Operating Modes 23 Operation at Extended Range 60 Option Switch 12, 23 , 35 Monitor Mode Select 50 P PA G E K e y 17 PHONE Key 16 Power-Up Sequence 20 Priority Calls 45 Proceed T one 26 Push-to-T a lk Switch 12 Q Quick Reference Guide 9 R RCL Key 16 Recalling a Number 39 Receive-Onl ...

  • EFJohnson 7243 LTR-Net Portable UHF - page 63

    Par t Number 002-7200-600 9-01 hph Pr inted in U .S.A. 002-7200-600 ...

Manufacturer EFJohnson Category Two-Way Radio

Documents that we receive from a manufacturer of a EFJohnson 7243 LTR-Net Portable UHF can be divided into several groups. They are, among others:
- EFJohnson technical drawings
- 7243 LTR-Net Portable UHF manuals
- EFJohnson product data sheets
- information booklets
- or energy labels EFJohnson 7243 LTR-Net Portable UHF
All of them are important, but the most important information from the point of view of use of the device are in the user manual EFJohnson 7243 LTR-Net Portable UHF.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals EFJohnson 7243 LTR-Net Portable UHF, service manual, brief instructions and user manuals EFJohnson 7243 LTR-Net Portable UHF. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product EFJohnson 7243 LTR-Net Portable UHF.

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A complete manual for the device EFJohnson 7243 LTR-Net Portable UHF, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use EFJohnson 7243 LTR-Net Portable UHF by users. Manuals are usually written by a technical writer, but in a language understandable to all users of EFJohnson 7243 LTR-Net Portable UHF.

A complete EFJohnson manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual EFJohnson 7243 LTR-Net Portable UHF - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the EFJohnson 7243 LTR-Net Portable UHF, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the EFJohnson 7243 LTR-Net Portable UHF, that we can find in the current document
3. Tips how to use the basic functions of the device EFJohnson 7243 LTR-Net Portable UHF - which should help us in our first steps of using EFJohnson 7243 LTR-Net Portable UHF
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with EFJohnson 7243 LTR-Net Portable UHF
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of EFJohnson 7243 LTR-Net Portable UHF in a specific country, if it was not possible to solve the problem on our own.

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