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LTR® 98xx SERIES

HIGH TIER

OPERATING MANUAL

Part No. 002-9803-201 November 1999

Содержание LTR 98 Series

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

Страница 2: ......

Страница 3: ...unded 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 include business industrial government public safety and personal users Viking Head EFJohnson logo LTR and Call Guard are registered trademarks of the E F Johnson Company All other company and or product ...

Страница 4: ...stationary 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 trigger blasting caps or cause an explosion DO NOT operate the radio without the proper antenna installed DO NOT allow children to operate or play with this radio NOTE The above warning list is not intende...

Страница 5: ...tenna 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 Strength E V m MagneticField Strength H A m Power Density S mW cm22 Averaging Time E 2 H 2 S minutes 0 3 3 0 614 1 63 100 6 3 0 30 1842 f 4 89 f 900 f2 6 30 300 61 4 0 163 1 0 6 300 1500 f 300 6 1500 ...

Страница 6: ...t 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 guidelines Table 2 Recommended Antenna Whips and Bases Antenna Manufacturer Antenna Specialists Frequency Whip Model No Base Model No 136 144 MHz ASPJ1415 KM220 144 152 MHz ASPA1415 KM220 152 162 MHz ASPB1415...

Страница 7: ...pha 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 Telephone Calls 21 Receiving a Telephone Call 22 Landside Originate Calls 23 GENERAL FEATURES 23 Bank Select 23 Call Indicator 24 Emergency Switch 24 Encryption 24 Function FCN Switch 25 Home System...

Страница 8: ...nventional 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 CONVENTIONAL FEATURES 44 Monitor Mode 44 Transmit Disable On Busy 44 Talk Around 45 Call Guard Squelch 46 Priority Group Sampling 46 MISCELLANEOUS 47 Supervisory Tones 47 LTR Telephone Call Tones 49 Disp...

Страница 9: ...scrolling 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 list Group in list see page 35 Set Squelch Level Conv Only Press FCN then rotate Select switch with conventional system selected see page 18 Monitor Before Transmitting Conv Only Take microphone off ho...

Страница 10: ...ctable 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 search telephone calls only Transpond Transmit inhibit Receive priority calls Conventional Features Busy indicator Talk around User adjustable squelch level Call Guard squelch control First and secon...

Страница 11: ...for 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 decrease the system or group Refer to Selecting the System and Group on page 17 for more information This switch also has two alternate functions that are selected by first pressing the FCN switch Refer...

Страница 12: ...page 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 following functions Menu Mode Select Press FCN twice see page 30 Home Sys Grp Select FCN press Select switch see page 26 Conv Squelch Set FCN rotate Select switch see page 18 Transmit Busy Indicator Indicat...

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 automatically disabled when a speaker is plugged into this jack Accessory Cable Not Shown This optional cable is used to connect functions such as ignition switch sense and horn alert to the transceiver ...

Страница 14: ...list 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 Indicates that the horn alert is enabled see page 26 Indicates that scanning is enabled see page 33 Indicates that an option controlled by the AUX switch is enabled see page 24 System Scan List Phone ID Gr...

Страница 15: ...he 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 determined by noting the position of the index on the volume knob You may also be able to enable a refer ence tone or background noise for use in setting the volume Proceed as follows If key press tones ar...

Страница 16: ...in 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 alpha tag is displayed on the bottom line For example System 1 Group 2 CAR 220 is displayed as follows The system alpha tag is not displayed in this mode Numeric Display Mode Alpha Tag Mode In the alph...

Страница 17: ...ndication 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 mode is indicated by an underline in the left most position of the group alpha tag see following diagram Select Mode Indication With Alpha Tag Display The transceiver can be programmed so that after a ...

Страница 18: ...elect 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 indicated by SQUELCH on the upper line of the display and the relative squelch level is indicated by a bar graph on the bottom line 3 To select the current level and exit this mode press the Select sw...

Страница 19: ...n 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 talk switch to talk and release it to listen Operation with LTR and conventional systems is as follows LTR Operation If the proceed tone is enabled see page 28 it sounds shortly after the PTT switch is...

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 successfully accessed 5 When the call is complete place the microphone back on hook Receiving a Standard Call 1 Turn transceiver power on and set the volume as described starting on page 15 With conventional...

Страница 21: ...n 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 telephone group is selected is displayed 3 To obtain the dial tone briefly press the PTT switch If the proceed tone is used press the PTT switch until a beep sounds If a dial tone is then heard proce...

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 should be terminated This is usually done by pressing the key and termination is indicated by three beeps Terminating the call in this manner prevents extra billing that may occur while the system automat...

Страница 23: ...le 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 landside caller while the mobile is being rung GENERAL FEATURES Bank Select A bank is a collection of selectable systems that have been set up for a specific application For example one bank could be...

Страница 24: ...played 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 message has been disabled by programming and a preprogrammed emergency system group is selected However no call is automatically placed This access mode minimizes as much as possible the chance that the...

Страница 25: ...This 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 it sounds because it is delayed for the required time Function FCN Switch If an option switch is programmed for FCN function it performs the following functions If this switch is not programmed these ...

Страница 26: ...been 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 displayed as shown in the following illustration When enabled the horn alert pulses on and off for 1 8 cycles and then goes back to the disabled state To change the currently selected horn alert mode ...

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 the switch is used the enabled condition is indicated by in the display Power Turn Off Delay Your transceiver may have been installed so that the vehicle ignition switch as well as the front panel po...

Страница 28: ...o 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 the proceed tone sounds when it is no longer busy If an out of range condition occurs the intercept tone sounds and OUT RNGE is indicated in the display The PTT switch must be released to make another ...

Страница 29: ...elected 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 programmed for 0 5 5 0 minutes or disabled entirely If the transmitter is keyed continuously for longer than the programmed time the transmitter is disabled TIMEOUT is indicated on the lower line of the d...

Страница 30: ...ut 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 the indicator changes back to red One time when this indication could occur is if you transmit for an extended period OPTION SWITCHES AND MENU MODE Option Switches All five option switches on the fron...

Страница 31: ...n 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 PRI 46 Scan on off SCAN 33 Scan type select SCN TYPE 33 Scan continue on off SCN CONT 36 Scan list save mode SCN SAVE 35 Stealth mode select STEALTH STLH 29 Squelch adjust FCN then rotate Sel Sw 18 ...

Страница 32: ...llows 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 To display the various functions that are controllable by the menu mode top line indication rotate the Select switch The currently selected status of that function is displayed on the bottom line 3 T...

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 current or scanned systems that are in the group scan list When group scanning is not used calls are detected on only the currently selected group or if system scanning on the last selected group of each s...

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 scanning using the Select switch in the normal manner Scanning resumes shortly after the change is made When a call is received in the scan mode the display changes to the system and group of the call Pro...

Страница 35: ...s 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 is again active Systems and groups can be deleted from the scan list while listening to a message on the system or group by pressing the A D switch in the normal manner Scanning resumes shortly after...

Страница 36: ...ing 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 the microphone off hook There is also a scan continue timer that may be programmed This timer controls the maximum time that a call is received before scanning resumes Times up to 60 seconds can be p...

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 resumes if it is not disabled the selected system group is again displayed Therefore you can respond to a call without changing the selected system group as long as you do so before scanning resumes Fix...

Страница 38: ...iority 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 described starting on page 40 Conventional Operation In the conventional mode selecting a system selects a collection of channels and other information unique to those channels Selecting a group selects...

Страница 39: ...is 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 Busy feature is not used monitoring must be performed manually as follows Busy Indicator With scanning disabled and the squelch control adjusted as described on page 18 note if the indicator on the fr...

Страница 40: ...ls 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 function Calls on the fixed priority and block ID codes are received regardless of which group is selected or group scanning All that is required is that the system programmed with those codes be selected...

Страница 41: ...p 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 feature the intercept tone sounds and TX INHIB is displayed see following illustration To make another call attempt the PTT switch must be released and pressed again However you may want to wait a few s...

Страница 42: ...al 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 switch is pressed Any call is received Any front panel option switch is pressed Power is turned off Calls are received normally in the queue mode However receiving any call causes the mode to be exite...

Страница 43: ...d 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 the menu mode SYS SRCH parameter is select able see page 30 this feature can be turned on and off Otherwise it is either enabled or disabled on all LTR systems by programming Transpond The transpond fe...

Страница 44: ...nd 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 may also be programmed This switch disables both receive and transmit squelch control on the selected group the monitor mode disables only receive squelch control When squelch control is disabled by ...

Страница 45: ...adio 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 to enable direct mobile to mobile communication without going through a repeater Each selectable group can be programmed for talk around It is then automatically selected when the group is selected ...

Страница 46: ...orm 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 conventional group A fixed first and second priority group can be designated by programming or either priority group can be the selected group When a first priority group is selected is displayed and w...

Страница 47: ...ntional 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 at various times when operating this transceiver Some or all of these tones can be disabled by the TONES menu parameter or programming Refer to Tone Select on page 30 for more information Busy Tone Th...

Страница 48: ...on 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 sounds as soon as the push to talk switch is pressed with a conventional system selected and DSBL BSY is displayed the channel is busy and the transmitter was disabled by the Transmit Disable On Bus...

Страница 49: ...smitted 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 detect the end of a call when the character is not sent Conversation Time Out Tone Calls are limited to a certain length by the system Thirty seconds before this time is reached a tick begins sounding...

Страница 50: ...isable 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 page 24 FCN Indicates that the function select mode is selected by the FCN option switch see page 25 GSCN DIS Indicates that an attempt was made to delete a group from the scan list with group scanning ...

Страница 51: ...m 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 indication appears no more access attempts are made until the PTT switch is released and then pressed again Refer to Opera tion At Extended Range on page 54 for more information PRI ON or OFF Indicates ...

Страница 52: ...ter 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 indicate enabled or yes and OFF is displayed to indicate disabled or no BCKLHGT Backlight control BRIGHT DIM OFF BANK SEL Bank select Bank alpha tag ENCRYPT Encryption on off ON or OFF HRN ALRT Horn alert...

Страница 53: ...specific 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 by a front panel option switch it is fixed in the mode set by programming or not available If you require additional information on the operation of a feature contact your system operator Speaking I...

Страница 54: ...tandby 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 battery should not become seriously discharged However if the outdoor temperature is low enough to significantly decrease battery capacity the transceiver should be turned off when not in use Since power ...

Страница 55: ...in 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 the transceiver is completely inoperative check the power cable fuse If it is blown remedy the cause if possible and replace it with the same type 15A If the transceiver still does not operate properl...

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

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