Benutzeranleitung / Produktwartung 7243 LTR-Net Portable UHF des Produzenten EFJohnson
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OPERA TING MANUAL 7 243 L TR-N ET ™ P OR T ABLE UHF TRUNKED PORT ABLE RADIO.
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 .
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 ”.
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 .
T ABLE OF CONTENTS 6 T ABLE OF CONTENTS SAFETY TRAINING INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . 4 QUICK REFERENCE GUIDE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 FEATURES . . . . . . . . . . . . . . . . . . . .
T ABLE OF CONTENTS 7 TELEPHONE CALLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Placing Telepho ne Calls . . . .
T ABLE OF CONTENTS 8 CONVENTIONAL FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Squelch Adjust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Monitoring Bef ore Transmitting . . . . . . . .
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.
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 prog.
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 .
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.
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.
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).
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 .
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.
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.
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.
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.
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.
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.
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 .
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).
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.
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.
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.
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.
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.
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 .
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 .
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.
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 .
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.
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).
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 .
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.
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.
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 ).
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).
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.
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.
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.
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.
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.
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.
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.
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 .
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.
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 .
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 .
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.
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).
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).
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.
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.
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.
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 • G.
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.
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.
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).
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.
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.
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 Pow.
Par t Number 002-7200-600 9-01 hph Pr inted in U .S.A. 002-7200-600.
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