E.F. Johnson Company LTR-Net 7243 Bedienungsanleitung

OPERATINGMANUAL7243 LTR-NET™PORTABLEUHFTRUNKED PORTABLE RADIO

CONTROLS AND DISPLAY11CONTROLS AND DISPLAYTop Panel ControlsOn-Off Volume - Turning this knob clockwise turns power on and sets the volume level. Turn

CONTROLS AND DISPLAY12Option Switch 1 - This switch can be system operator programmed to control a specific function (see page 35).Antenna Jack - Conn

CONTROLS AND DISPLAY13Display8-Character Alphanumeric Display - This area of the display indicates the selected system/group (see “System/Group Displa

CONTROLS AND DISPLAY14 - Indicates that the conventional monitor mode has been enabled by the Monitor option switch (see page 49). - “P” indicates th

CONTROLS AND DISPLAY15Front Panel KeysMost front panel keys have two or more functions. The function on the key is usually selected by simply pressing

CONTROLS AND DISPLAY16SYS (RCL) Standard ModeSYS - Selects the next higher system. SYS - Selects the next lower system. SYS (xx) - Directly select

CONTROLS AND DISPLAY17Dial Mode2 - Dials the “2” digit.FCN PHONE - Exits the dial mode and sends the call termination code.3 (DIAL)Standard ModeFCN DI

CONTROLS AND DISPLAY18Dial Mode6 - Dials the “6” digit.7 (S.A/D)Standard ModeFCN S.A/D (System Add/Delete) - Changes the scan list status of the curre

CONTROLS AND DISPLAY19Dial Mode0 - Dials the “0” digit.FCN STR (0-9) - Stores the displayed number in the specified memory location. ()Standard Mode -

BASIC OPERATION20BASIC OPERATIONPower-Up SequenceWhen power is turned on using the top panel on-off/volume control, the backlight turns on, all segmen

LAND MOBILE PRODUCT WARRANTY - The manufacturer’s warranty statement for this product is available from your product supplier or from E.F. Johnson Com

BASIC OPERATION21modes, press FCN STR. Turning power off does not change the selected mode. These modes operate as follows:Numeric Mode - The system a

BASIC OPERATION22selected, a tone sounds and wrap-around to the highest system or group occurs.• To directly select a system or group number, press SY

BASIC OPERATION23Low Battery IndicationWhen the battery voltage drops to the point where recharging is required, the icon is indicated in the bottom

BASIC OPERATION24LTR-Net and LTR OperationThe LTR-Net and LTR modes provide automatic channel selection and monitoring before transmitting. Special to

GENERAL FEATURES25GENERAL FEATURESBank SelectA bank is a collection of selectable systems that have been set up for a specific application. For exampl

GENERAL FEATURES26Home System/Group SelectTo select the preprogrammed Home system/group, simply press the FCN HOME. The Home system/group programmed f

STANDARD GROUP CALLS27Time-Out TimerThe time-out timer disables the transmitter if it is keyed continu-ously for longer than the programmed time. It c

STANDARD GROUP CALLS28Placing a Standard Group Call1. Turn transceiver power on and set the volume as described starting on page 20. With conventional

STANDARD GROUP CALLS29• If the radio system could not be accessed because of an out-of-range condition or some other reason, the intercept tone sounds

TELEPHONE CALLS30TELEPHONE CALLSGeneralNOTE: Telephone calls can be placed and received only if that service is available to you and your transceiver

SAFETY TRAINING INFORMATION4SAFETY TRAINING INFORMATIONWARNINGThis radio produces RF electromagnetic energy when transmitting and is designed and clas

TELEPHONE CALLS31• If the radio system is busy or could not be accessed, busy or no access conditions are indicated the same as described for standard

LTR-NET AUXILIARY CALLS32Landside-Originate Telephone CallsIf telephone calls can be placed, it is usually possible to receive tele-phone calls from a

LTR-NET AUXILIARY CALLS333. Select the dial mode by pressing FCN DIAL. This mode is indicated when the handset portion of the telephone icon is disp

OPTION SWITCHES AND MENU MODE34The transceiver may be programmed so responses always occur on the last selected group. In this case, the group may nee

OPTION SWITCHES AND MENU MODE35Option SwitchesThe push-button switch on the top panel (see page 11) and the switch immediately above and the switch im

OPTION SWITCHES AND MENU MODE36• To display the selected option for a parameter, press the STR key. • To change the selected option, press the and

DIAL MODE37DIAL MODEIntroductionWhen placing calls that require a number be dialed (telephone and auxiliary), using the dial mode allows the number to

DIAL MODE38Dialing a NumberEnter the desired number by pressing the 0-9, , and keys. Other dialing functions are as follows:• Only the last 8 digit

DIAL MODE39NOTE: The character is stored and sent normally (no pause occurs), and the character should not be stored because it may terminate the

SYSTEM AND GROUP SCANNING40SYSTEM AND GROUP SCANNINGGeneralIntroductionThe scan feature monitors, in sequence, the systems and/or groups in the scan l

SAFETY TRAINING INFORMATION5• DO NOT transmit more than 50% of total radio use time (50% duty cycle). Transmitting for more than 50% of the time can c

SYSTEM AND GROUP SCANNING41Scan TypesThe type of scanning selected is determined by the menu mode SCN TYPE parameter (see page 35). If it is not selec

SYSTEM AND GROUP SCANNING42systems are not scanned). If roaming is enabled, registration on other sites occurs normally and scanning of LTR-Net system

SYSTEM AND GROUP SCANNING43Systems and groups can be deleted from the scan list in the normal manner while listening to a message on the system or gro

SYSTEM AND GROUP SCANNING44to the new system/group, or changes temporarily. This in turn affects the system/group on which responses occur. The displa

LTR-NET AND LTR FEATURES45LTR-NET AND LTR FEATURESTransmit InhibitThe Transmit Inhibit feature prevents the transmitter from keying if the mobile you

LTR-NET FEATURES46LTR-NET FEATURESNOTE: Other LTR-Net features are described starting on page 45.LTR-Net Standard Calls Standard group calls are betwe

LTR-NET FEATURES47RoamingLTR-Net radio localities (sites) can be linked together to provide wide area coverage. Calls can then be automatically routed

LTR FEATURES48LTR FEATURESNOTE: Other LTR features are described starting on page 45.Standard Group CallsStandard group calls are between two mobiles

CONVENTIONAL FEATURES493. Press the key until receiver noise is heard and then press until the noise just mutes. To decrease or increase the selec

CONVENTIONAL FEATURES50Monitor ModeThere may be times when the Busy indication is displayed even though no one is using the channel. Monitoring should

TABLE OF CONTENTS6TABLE OF CONTENTSSAFETY TRAINING INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . 4QUICK REFERENCE GUIDE. . . . . . . . .

CONVENTIONAL FEATURES51While the PTT switch is pressed, the receiver is enabled so that activity on the channel can be monitored. The PTT switch must

MISCELLANEOUS52MISCELLANEOUSSupervisory TonesThe following tones are heard at various times when operating this transceiver. Some or all of these tone

MISCELLANEOUS53is displayed, the transmitter has been disabled by the Transmit Inhibit feature (see page 45).• Receive-Only Group - If this tone sound

MISCELLANEOUS54Proceed Dialing Tone - When placing a landside-to-mobile telephone call (see page 32), the landside caller may enter a special number w

MISCELLANEOUS55BUSY - Indicates that the LTR-Net or LTR radio system is currently busy (see “Busy Tone” on page 52).CALL SVC - Indicates that the tran

MISCELLANEOUS56OUT-LOCK - Indicates that the synthesizer is unlocked. Refer to “Transceiver Service” on page 61 for more information. PROG ERR - Indic

MISCELLANEOUS57SCN CONT - Scan continue on-off• ON or OFFSCN SAVE - Scan list save • ON = save, OFF = not savedSCN TYPE - Selects type of scanning• SY

MISCELLANEOUS58Typical operating time before recharging is required is 7.3 hours. This assumes that the transceiver is transmitting at high power 5% o

MISCELLANEOUS59Battery Charger OperationThe charger shown above has two slots in which to place a battery. The back slot is for fast charging and the

MISCELLANEOUS60charging is occurring, and charging continues at the slow rate until the battery is removed from the charger. Approximate charge time i

TABLE OF CONTENTS7TELEPHONE CALLS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30General . . . . . . . . . . . . . . . . .

INDEX61LicensingA government license is usually required to operate this transceiver on the air. Your system operator will normally handle the licensi

INDEX62ControlsOn-Off/Volume11Option Switch 12PTT Switch 12Top Panel 11Conventional Mode 24Conventional Mode Scanning 42DDIAL Key 17Dial Mode 37Exitin

INDEX63NNumeric Display Mode 21OOn-Off/Volume Control 11Operating Modes 23Operation at Extended Range 60Option Switch 12, 23, 35Monitor Mode Select 50

Part Number 002-7200-6009-01 hph Printed in U.S.A.002-7200-600

TABLE OF CONTENTS8CONVENTIONAL FEATURES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48Squelch Adjust . . . . . . . . . . . . . . . . . .

QUICK REFERENCE GUIDE9QUICK REFERENCE GUIDEChange system number - Press SYS or or SYS (1-99) [pg 21]Change group number - Press GRP or or GRP

FEATURES10FEATURESGeneral Features• LTR-Net™, LTR®, and conventional operating modes• Unique 8-character system identification tags• System and group