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LTR® 98xx SERIES

HIGH TIER

OPERATING MANUAL

Part No. 002-9803-201 November 1999

Содержание LTR 98xx

Страница 1: ...LTR 98xx SERIES HIGH TIER OPERATING MANUAL Part No 002 9803 201 November 1999...

Страница 2: ......

Страница 3: ...nded in 1923 designs manu factures and markets radio communication products systems and services worldwide E F Johnson produces equipment for land mobile radio and mobiletelephone services which inclu...

Страница 4: ...tationary radio base station or marine radio when a person is within one 1 meter of the antenna DO NOT operate the radio in explosive or flammable atmospheres The transmitted radio energy could trigge...

Страница 5: ...enna listed The antenna was mounted in the center of the roof Table 1 FCC Limits for Maximum Permissible Exposure MPE A Limits For Occupational Controlled Exposure Frequency Range MHz Electric Field S...

Страница 6: ...forth in Table 1 NOTE If the installer or user changes the type or location of the antenna they should be aware of the MPE guidelines shown in Table 1 and take measures to comply with those guideline...

Страница 7: ...ha Tag Display Mode 16 Selecting the System and Group 17 Setting Squelch Control 18 STANDARD CALLS 19 Introduction 19 Placing a Standard Call 19 Receiving a Standard Call 20 TELEPHONE CALLS 21 Placing...

Страница 8: ...ventional Channels Before Transmitting 39 LTR FEATURES 40 Standard and Telephone Calls 40 Calls on Priority and Block ID Codes 40 Transmit Inhibit 41 Busy Queuing 42 System Search 42 Transpond 43 CONV...

Страница 9: ...crolling underline see page 33 Program System or Group Scan List Press Select switch to enable system or group programming mode same as when changing system or group then press A D switch System in li...

Страница 10: ...table Proceed clear to talk tone Call indicator Time out timer Horn alert Emergency switch Receive only groups Companding and encryption optional LTR Features Busy queuing telephone calls only System...

Страница 11: ...or other functions such as selecting parameters in the menu mode To change the system or group press this knob to switch between the system and group select modes and then rotate it to increase or dec...

Страница 12: ...age 46 SCAN Scan on off see page 33 STLH AUX Stealth mode select see page 29 TA Talk around on off see page 45 Blank Not used disabled FCN Function Switch This switch if programmed selects the followi...

Страница 13: ...attaches to the vehicle battery A nominal 12 volt DC negative ground power source is required Speaker Jack Connection point for an optional external 4 7 ohm 5 watt speaker The internal speaker is auto...

Страница 14: ...ist and scanned normally see page 35 Indicates that the selected group is programmed for telephone calls see TELEPHONE CALLS on page 21 Indicates that optional encryption is enabled see page 24 Indica...

Страница 15: ...e trans ceiver part number are very briefly displayed A beep then sounds if tones are enabled and the transceiver is ready to be used Determining Volume Level The relative volume setting can be determ...

Страница 16: ...n one of these modes by programming These modes function as follows Numeric Mode In the numeric mode the selected system and group numbers are displayed on the top line as Sxx and Gxx and the group al...

Страница 17: ...dication With Numeric Display In the Alpha Tag display mode the system select mode is indicated by an underline in the left most character position of the system alpha tag Likewise the group select mo...

Страница 18: ...lect switch as you would a normal squelch control Rotate it counterclockwise until receiver noise is heard and then clockwise slightly past the point where the noise mutes The squelch adjust mode is i...

Страница 19: ...Selecting the System and Group on page 17 3 If a conventional call is being placed monitor the channel manually or automatically as described on page 39 4 Press and hold the microphone PTT push to ta...

Страница 20: ...switch is pressed after monitoring the channel If the proceed tone is enabled on conventional systems it indicates when speaking can begin but does not indicate that the radio system has been successf...

Страница 21: ...provide additional informa tion Proceed as follows 1 Turn transceiver power on and set the volume as described starting on page 15 2 Select the system and group programmed for telephone calls When a...

Страница 22: ...When the other party answers press the PTT switch and respond The PTT switch must be pressed to talk and released to listen the same as with mobile to mobile calls 7 When the call is finished it shoul...

Страница 23: ...e being called This number must be dialed using a tone type telephone If too much time elapses before dialing is started or between dialed digits the call is terminated 3 Ringing is then heard by the...

Страница 24: ...layed Emergency Switch If the EMER option switch is programmed see page 30 it is used to set up a high priority call When this switch is pressed EMERGNCY is displayed on the lower line unless this mes...

Страница 25: ...his gives the receiving encryption device time to establish synchronization which ensures that all of the first word is received If the proceed tone is used see page 28 speaking can begin as soon as i...

Страница 26: ...een installed by your system operator it activates an external alert such as the vehicle horn or lights when a call is received on a group programmed for horn alert When the horn alert is enabled is d...

Страница 27: ...HORN option switch or HRN ALRT menu parameter Option Select The AUX option switch or OPTION menu parameter can be used to control an accessory that may have been installed by your system oper ator If...

Страница 28: ...system is busy when making a call the busy tone sounds instead of the proceed tone and BUSY is indicated on the bottom line of the display If the PTT switch is held down the system is accessed and th...

Страница 29: ...lected except On is displayed under STEALTH in the menu mode Time Out Timer The time out timer disables the transmitter if it is keyed continu ously for longer than the programmed time It can be progr...

Страница 30: ...t back When this happens the transmit indicator on the front panel is orange instead of red when the transmitter is keyed After sufficient cooling occurs power output returns to the normal level and t...

Страница 31: ...press Sel Sw 26 Horn Alert on off HRN ALRT HORN 26 LTR system search SYS SRCH 42 Menu mode select FCN twice 32 Monitor mode select MON 44 Option select OPTION AUX 27 Priority sampling on off PRIORITY...

Страница 32: ...lows 1 To select the menu mode press the FCN switch twice The menu display follows The top line indicates the function being edited and the bottom line indicates the current status of that function 2...

Страница 33: ...are in the system scan list When system scanning is not used calls are detected on only the currently selected system Group Scanning Group scanning detects calls on all selectable groups in the curren...

Страница 34: ...Group scanning can be selectively disabled on systems by program ming It then does not occur on those systems even if enabled as just described The selected system and group can be changed while scann...

Страница 35: ...indicated and then press the A D switch Deleting a system only temporarily deletes the groups associated with that system When a system is added back into the scan list the orig inal group scan list...

Страница 36: ...ng a call ensures that you hear a response to your call instead of another message occurring on some other system or group Note that scanning does not resume if it has been disabled such as by taking...

Страница 37: ...the Select switch Temporary Last Received The system group changes to the system group of a call for only the duration of the scan delay period see page 36 Then when the delay expires and scanning res...

Страница 38: ...ority receive ID codes Selecting a group selects a transmit and receive ID code and other information which controls the mobile or mobiles being called and what calls are received LTR features are des...

Страница 39: ...s programmed for the Transmit Disable On Busy feature monitoring is performed automatically Refer to page 44 for more information on this feature Manual Channel Monitoring If the Transmit Disable On B...

Страница 40: ...s on Priority and Block ID Codes Two fixed priority and a block of receive ID codes can be programmed These codes are in addition to the receive and transmit ID code selected by the group select funct...

Страница 41: ...does not change Transmit Inhibit The Transmit Inhibit feature prevents the transmitter from keying if the mobile you are calling is busy with another call When the transmitter is disabled by this fea...

Страница 42: ...l tone is heard The call can then be placed if desired The queue mode is exited before the call is placed if any of the following occur exit is indicated when IN QUEUE is no longer displayed The PTT s...

Страница 43: ...the intercept tone sounds NO PHONE is displayed the system group does not change and the feature deactivates This mode can also be canceled at any time by pressing any front panel option switch If th...

Страница 44: ...d if it is pressed with an LTR system selected NOT CONV is displayed and monitoring is not selected This switch must be pressed again to disable the monitor mode A CG Call Guard disable option switch...

Страница 45: ...dio range of the repeater you cannot talk to anyone even if you are only a short distance away from the mobile you are calling To allow communication if this occurs the talk around feature can be used...

Страница 46: ...rm a similar function Priority Group Sampling The priority group sampling feature ensures that messages on priority conventional groups are not missed while listening to a message on a non priority co...

Страница 47: ...tional systems and only when scanning is enabled by the SCAN switch It does not occur when listening to an LTR call or when transmitting MISCELLANEOUS Supervisory Tones The following tones are heard a...

Страница 48: ...n as the PTT switch is pressed with an LTR system selected and TX INHIB is displayed the transmitter has been disabled by the Transmit Inhibit feature see page 41 Transmit Disable On Busy If this tone...

Страница 49: ...mitted for an extended period If you do not transmit within 5 seconds the call is automatically terminated by the system The time between transmissions is one of the parameters used by the system to d...

Страница 50: ...sable On Busy feature see page 44 It also indicates that the transmitter was keyed while receiving an LTR call EMERGNCY Indicates that the emergency switch has been pressed see Emergency Switch on pag...

Страница 51: ...OUT LOCK Indicates that the synthesizer is unlocked Refer to Transceiver Service on page 55 for more information OUT RNGE Indicates that the transceiver was unable to contact a repeater Once this ind...

Страница 52: ...er has been disabled by the Transmit Inhibit feature see page 41 Menu Mode Messages The following messages are displayed in the menu mode that is described starting on page 30 ON is displayed to indic...

Страница 53: ...pecific operation of many features This refers to the programming performed by your system operator when the radio was set up not to any programming that you can perform If a feature is not controlled...

Страница 54: ...andby mode power on not transmitting transceiver power consumption is relatively low Therefore you can probably leave the transceiver on for one or two days without operating the vehicle and the batte...

Страница 55: ...n the normal range Also make sure that the controls are properly set and that the power external speaker if used and accessory if used cables are securely plugged into the back of the transceiver If t...

Страница 56: ...Part Number 002 9803 201 11 99hph Printed in U S A...

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