LTR-NET SERVICE MANUAL ADDENDUM, PART NO. 001-9800-600 .
LTR-NET SERVICE MANUAL ADDENDUM, PART NO. 001-9800-600REVISIONSThis revision describes changes and additions thathave occurred through March 2000 to the LTR-NetService Manual Addendum, Part No. 001-9800-600,with a printing date of April 1999. Add this changeinformation to your copy of this manual.SECTION 1GENERAL INFORMATION UPDATESCAUTION: When power is turned off with an LTRNet system selected, the transmitter automatically keysbriefly to transmit a de-registration message.1.3 TRANSCEIVER IDENTIFICATION NUMBERThe illustrations on page 1-1 are reversed and thetype information in the identification number breakdown illustration has changed. The correct illustrationis as follows:Identification Number BreakdownWarrantyRevision ManufacturePlant NumberLetterDateModelFrom P.N.98xxxA10 9A1 Low pwr LTR2 High pwr LTR3 High pwr Data MN4 Low pwr LTR-Net5 High pwr LTR-Net6 Low pwr Multi-Net7 High pwr Multi-Net8 Low pwr Data LTR9 High pwr Data LTR0 Low pwr Data MNetLast Digit of YearWeek No. of YearNOTE: Low power 25W UHF,15W 800/900 MHz;High power 40W UHF,30W 800/900 MHz)1.4 PART NUMBER BREAKDOWNThe illustrations on page 1-1 are reversed and theoptions information in the part number breakdownillustration has changed. The correct illustration is asfollows.Part No. 001-9800-601242 - 9 8 x x -x x x xBand1 VHF*4 UHF8 800 MHz9 900 MHzType1 Low tier, dual BW2 Mid tier, dual BW*3 High tier, dual BW4 Low tier, 12.5 kHz5 Mid tier, 12.5 kHz*6 High tier, 12.5 kHz8 High tier rem, dual BW0 High tier rem, 12.5 kHzSignaling2 LTR4 Multi-Net6 LTR-Net8 Data LTR9 Data M-Net0 Conv only*Options [1]B/N Comp/DataC/O CompanderD/P Data CableE/Q Enc/CompF/T Enc/Comp/DatG/U Comp/AcsryH/V Horn/AcsryI/W Enc/Comp/Acsry Cable[1] N-W models areLTR-Net upgradableConfig.2 Low Pwr std3 High Pwr std7 L.P. no acc8 H.P. no accFreq Range0 Full band (800/900 MHz)3 430-470 MHz5 470-512 MHz* These configurations are currently not available.12345A WasecaTypePart Number Breakdown1.5.3 KEY CAP KITThe key cap kits have changed. Key Cap Kit, PartNo. 587-9840-002, is included with each transceiver.This kit includes the five caps indicated by an asterisk(*) below. Optional key cap kit, Part No. 587-9840004, is also available which includes all of the caps inthe following Blank)A/D*HOMEUSR1STLHRx PAROAM*PAGEUSR2MICPACALLTEL*HORNMONBANKTo remove a key cap, insert a tool with a sharp tipin the slot on the bottom of the cap and carefully pryagainst the front panel to release the cap.03-00hphPrinted in U.S.A.
transceiver with new operating software (firmware).More information on Flash programming is locatedin Section 3.12 of the service manual addendum.CONNECTING TRANSCEIVER POWERFor the transceiver to de-register and save thecurrent states of the various functions when power isturned off, power to the transceiver must be maintained for a time after power is turned off. Therefore,observe the following when installing the transceiverand turning power off: 4. Tune Program (P.N. 023-9998-416) - This programis called PLATUNE, and it is used to set parameterssuch as frequency, modulation levels, and poweroutput. The tuning procedure is described inSection 7 of the 98xx LTR Service Manual, Part No.001-9800-20x.Connect the transceiver power cable to anunswitched power source such as the battery. Do notconnect it to a switched source such as the ignitionswitch or a relay. Make sure that power is always turned off using thefront panel power switch or the ignition sense inputof the accessory cable. Program the power-off delay as follows:The following are the general steps that areperformed in order to field tune the radio. The filesneeded to perform this procedure are available on theE.F. Johnson ACES BBS system for downloading.Contact the Customer Service Department at 1-800328-3911 or (507) 835-6911 for additional informationon obtaining these files and performing this procedure.1. Using the LTR-Net Personality Program, read thepersonality information currently in the transceiverand store it in a disk file so that it can be restoredwhen tuning is complete.– If the ignition sense input is used, program theIgnition Sense Delay parameter on the MainRadio Parameters Timing Parameters screen forthe desired delay (“Immediate” is allowed).2. Using the Flash (PLATUPD) program, reflash thetransceiver with standard LTR/conventional hightier 98xx operating software. The correct .S19 filemust be in the same directory as the program.– If the ignition sense input is not used, programthis Ignition Sense Delay parameter for“Forever”. This prevents improper operationwhen the vehicle is started.3. When finished, turn power off and disconnect theprogramming cable. When power is turned back on,it is normal for the display to indicate “PROG ERR”because the LTR-Net personality information is notcompatible with the LTR operating software.TRANSCEIVER TUNINGThe 98xx LTR-Net transceivers can now be fieldtuned using a special procedure which re-Flashes thetransceiver with temporary operating software. Thefollowing programs are required to tune this radio:4. Using the LTR Personality Program (PLATFORM),program a basic LTR personality.1. LTR-Net Personality Program (P.N. 023-9998457) - This program is called LTRNetMobPgmr,and it programs the information which changes fromradio to radio. This program is described in Section3 of the 98xx LTR-Net service manual addendum.5. The Tune (PLATUNE) program can now be used.Using that program, tune the transceiver asdescribed in Section 7 of the 98xx LTR ServiceManual, Part No. 001-9800-20x.6. Using the Flash Program, reflash the transceiverwith the current LTR-Net operating software. Thedisplay will again indicate “PROG ERR” becausethe LTR personality information is not compatiblewith LTR-Net operating software.2. LTR Personality Program (P.N. 023-9998-414) This program is called PLATFORM, and itprograms the information which changes from radioto radio. This program is described in Section 4 ofthe 98xx LTR Service Manual, Part No.001-9800-20x.7. Using the Personality Program, reprogram the transceiver with the original personality information readout in step 1.3. Flash Program (P.N. 023-9998-432) - Thisprogram is called PLATUPD, and it programs the2
SECTION 2 OPERATION UPDATESFor example, assume that the group select modeis the default and the time delay is 3 seconds. It is thenin the group select mode when power is turned on, andif the system select mode is selected, it returns to thegroup select mode 3 seconds after a change is made.INTRODUCTIONThe following are the main operating enhancements that have been made since the addendum wasprinted. Refer to the sections which follow for moreinformation on these enhancements and other operation changes that have occurred.2.4.6 MICROPHONE OFF-HOOK DETECT A hanger switch can be programmed to manuallyselect an off-hook condition when off-hook detection has been disabled by programming. Voice encryption is now available. Horn alert is now available. A proceed tone delay can now be programmed oneach group. In addition, the proceed tone can beenabled or disabled on LTR/LTR-Net telephone andauxiliary calls. LTR-Net mode scanning has been enhanced toallow LTR and conventional systems to be scannedif the current LTR-Net site is lost and another cannotbe detected. This can provide uninterrupted operation when traveling through areas which have notyet been converted to LTR-Net operation.When microphone hanger detect is disabled on aradio-wide basis by selecting the “Disable MicHanger” box on the Basic Parameters screen, a Hangeroption switch can be programmed. This switch allowsan off-hook condition to be manually selected. An offhook condition disables scanning, and when a conventional system is selected, it enables the monitor mode.When the off-hook mode is selected by this switch,“OFF HANG” is displayed on the bottom line. Thenwhen the on-hook mode is selected, “ON HANG” isdisplayed. On power-up, the on-hook mode is alwaysselected.Each conventional group can be programmed sothat monitoring is not enabled by an off-hook condition. The monitor mode then cannot be selected by themicrophone hanger or the Hanger option switch(although scanning is still disabled).2.4.5 SELECTING SYSTEMS AND GROUPSThe Select switch default select mode and returntime are now programmable (previously the Selectswitch always remained in the last selected mode).Therefore, the paragraph above “Group Tracking” onpage 2-5 should be changed to read as follows:2.5.1 BANK SELECTEach bank can now be programmed with adefault scan enable status. When a Scan option switchis not programmed, this permits scanning to be automatically enabled or disabled when the bank isselected. If a Scan option switch is programmed, thedefault bank scan status is valid only until the firsttime it is changed by this switch.Programming of the “Select Knob Default”parameter on the Basic Parameters screen determines ifthe transceiver reverts to the system or group selectmode. Then the programming of the “Select KnobReturn” parameter on the Timing Parameters screendetermines the delay in returning to the default modeafter a change is made. This timer is programmable for0-8 seconds. Programming “0” causes the transceiverto remain in the selected mode until it is changed again.The default mode is always reselected when power isturned off and then on again.The default scan list status of each system in abank can also be programmed. When a SCN SAVEmenu parameter is not enabled, this permits the scanlist status of the system to be set on a per bank basis. Ifa Scan Save option switch is programmed, the defaultscan list status is valid only until the first time it ischanged by this switch.3
The user selected parameters stored on a per bankbasis are the last selected system, scan mode, and thescan list status of each system. Therefore, when thebank is reselected, these parameters return to the lastselected state in that bank.be programmed for encryption. Encrypted calls arealways received regardless of the currently selectedencryption mode or group programming (as long asthe transceiver is equipped with the encryptionmodule).2.5.5 ENCRYPTIONWhen transmitting an encrypted call, the usershould wait approximately 1 second before speaking.This gives the receiving transceiver time to establishsynchronization which ensures that all of the first wordis received. If the proceed tone is used and anencrypted call is transmitted, two beeps sound insteadof one to indicate an encrypted call. A proceed tonedelay can also be programmed so that it does notsound until speaking can begin. Refer to the “ProceedTone” description on page 5 for more information.Encryption is now supported by the operatingsoftware. This is an optional feature that preventsconversations from being monitored by casual eavesdropping and analog scanners. It does this byencrypting the voice so that it can be understood onlyby someone using a transceiver equipped with asimilar encryption device. To have this feature, a separate encryption module is installed in Option Slot 1 onthe audio/logic board, and the transceiver must beprogrammed for encryption as follows:2.5.8 HORN ALERT Program the control line for this function asdescribed in Section 3.13.3 of the service manualaddendum. Each group on which encryption is to be used mustbe programmed for that feature. To do this, firstenable encryption on by checking the “EncryptionInstalled” box on the Edit Mobile Radio Parameters Basic Parameters screen. Then check the“Encryption Available” box on the applicable groupscreens. The ENCRYPT menu parameter or ENCPT optionswitch can be programmed to enable or disableencryption. Encryption can also be fixed in theenabled mode if neither of these is programmed.GENERALThe horn alert feature is now supported by theoperating software. This feature activates an externalalert such as the vehicle's horn or lights when calls arereceived on groups programmed for this feature. Whenthe horn alert is enabled either manually or automatically as described in the following information,isdisplayed as shown in the following illustration. Thealert on and off times are each programmable for 0.25,0.50, 0.75 or 1.0 second, and the number of cycles areprogrammable for 1-8.Horn AlertEnabledWhen encryption is enabled by the menuparameter, option switch, or programming,is indicated in the display as shown below. However, thisicon does not indicate if the selected group isprogrammed for encryption.OPERATION IN MODES “A” AND “B”The horn alert is programmed to operate inManual Mode A or Automatic Mode B (see descriptions which follow). In Manual Mode A, the on or offcondition is selected using the HRN ALRT menuparameter. In Automatic Mode B, the on or off condition is selected automatically and the current modecannot be changed using the menu parameter. Therefore, the HRN ALRT menu parameter should beprogrammed only when Mode A is used.EncryptionIndicatorTo transmit an encrypted call, encryption must beenabled as just described and the selected group must4
encrypted call (see preceding Section 2.5.5), a specialdouble tone always sounds.A power-off delay can be programmed to occurwhen power is turned off by the ignition switch (seeSection 2.5.10 in the service manual). The horn alertcan then remain active for a time after the ignition isturned off.Calls On Which Proceed Tone Sounds - The proceedtone always sounds with LTR-Net and LTR dispatchcalls (if tones are enabled by the TONES menu parameter or programming). It can also be programmed tosound with the following calls:Mode A (Manual On/Off)The current horn alert mode does not changewhen power is turned on or off by either the ignitionswitch or power switch. Therefore, the horn alert istotally controlled by the HRN ALRT menu parameter.Mode B (Automatic On/Off)The horn alert always turns off when the powerswitch or ignition switch is turned on, and alwaysturns on when the ignition switch is turned off (if thereis a power-off delay programmed). Therefore, the ignition switch must always be used to control power withthis mode. If only the power switch is used, a poweroff delay is not available and the horn alert is alwaysdisabled. To enable it on conventional calls, check the“Conventional Enabled” box in the Edit MobileRadio Parameters Basic Parameters screen. To enable it on LTR-Net and LTR telephone andauxiliary calls, check the “Conversation Enabled”box in the Basic Parameters screen.Proceed Tone Delay - The proceed tone normallysounds almost immediately when the PTT switch ispressed. However, if the user should wait a short timeafter pressing the PTT switch before speaking, forexample when wide area calls are placed, a delay of0-2.5 seconds can be programmed in the TimingParameters screen. This delay can then be enabled oneach group by checking the “Delayed Proceed Tone”box. If this box is not checked, no delay occurs.NOTE: The HRN ALRT menu parameter cannot beused to change the automatically selected on-offcondition in this mode.PERMANENTLY ENABLING HORN ALERT2.7.3 LTR-NET MODE SCANNINGMode A - If the HRN ALRT menu parameter is notprogrammed, the horn alert feature can be permanentlyenabled by programming the horn alert default to“ON”. The horn alert is then always enabled and thereis no way for the user to turn if off.LTR and conventional systems are now scannedin the LTR-Net mode in certain conditions. Previously,only the LTR-Net systems in the scan list that accessedthe current locality were scanned.Several more proceed tone parameters are nowprogrammable. The proceed tone programmableparameters are as follows:When both roaming and system scan are enabled,registration on other sites occurs and the only systemsscanned are LTR-Net systems that are in the scan listand programmed for the current site. However, if noLTR-Net locality could be located during localitysearch, LTR and conventional systems that are in thescan list are also scanned. If a signal is detected on oneof those systems, the transceiver moves to it. However,searching continues for a programmed LTR-Netlocality, and when one is detected, registration on thatsite occurs and only LTR-Net systems are againscanned.Type - A standard (single) or distinctive (triple) proceed tone can be programmed. When transmitting anThis operation can provide uninterrupted operation when traveling through areas which have not yetMode B - The programmed default condition has noaffect on operation because it remains in effect onlyuntil the first time it is automatically changed asdescribed above.2.5.8 PROCEED TONE5
been converted to LTR-Net operation. Other scanoperation in this mode remains unchanged as follows: If Roaming Off and System Scan On with anLTR-Net system selected, LTR-Net systems that arein the scan list and programmed for the current siteare scanned and LTR and conventional systems arenever scanned. If Roaming On and System Scan Off with anLTR-Net site selected, registration on other LTRNet sites occurs, but LTR and conventional systemsare never scanned. If Roaming and System Scan On with an LTR orconventional system selected, all system types arescanned as described above.MISCELLANEOUS UPDATESConventional Operation - In Sections 2.1.5 and2.4.8, the manual incorrectly states that each conventional system selects a block of 99 channels and eachgroup selects a channel from that block. It should statethat each conventional system selects a specific radiochannel, and each group selects Call Guard squelchcoding and other unique parameters such as call indicator operation for that channel. A conventional locality can be programmed with up to 20 conventionalchannels.Receive-Only Groups - Receive (monitor) onlygroups can be programmed in all operating modes sothat transmitting is automatically disabled. To programreceive-only LTR-Net or LTR groups, program anencode ID of “Disabled”. To program receive-onlyconventional groups, on the group screen select TxOption Disabled. If the PTT switch is pressed withone of these groups selected, the intercept tone soundsand “TX DISBL” is displayed.If Roaming Off and System Scan On with anLTR or conventional system selected, only the LTRor conventional systems in the scan list are scanned.2.8.1 RECEIVE PRIORITY CALLSMenu and Option Switch Table - The table on page2-13 which summarizes the available menu parametersand option switches needs to be updated to show theencryption, horn alert, and hanger functions. Theupdated table is shown on the next page.The following is additional information regardingreceive priority on LTR and LTR-Net systems.If any type of call (standard, telephone, auxiliary) is detected on any group of the selected systemthat has a higher priority than the selected group or thecall being received, it is received even if group scanning is not enabled. Exceptions are if the group is notin the group scan list or the current call is on a groupprogrammed as not interruptible.System Access When Busy - The “Busy Tone”description on page 2-26 incorrectly states that nomore accesses are made once the busy tone startssounding. Actually, access attempts continue when abusy condition is being indicated; therefore, a systemcan be accessed by holding the PTT switch down.When not group scanning, standard calls with alower priority than the selected group are neverreceived. However, telephone and auxiliary calls ofany priority are received if on a group in the groupscan list and no other call is being received. If anothercall is being received, they are received only if theyhave a higher priority than the current call. Whengroup scanning is enabled, calls are received on allgroups in the scan list regardless of priority.Displaying Software Version Number - Section2.13.2 states that when power is turned on with thetwo top switches pressed, the software versio
98xx x A 10 9 A 12345 Model Revision Letter Manufacture Date Warranty Number Week No. of Year Last Digit of Year Type A Waseca From P.N. Plant 1 Low pwr LTR 2 High pwr LTR 3 High pwr Data MN 4 Low pwr LTR-Net 5 High pwr LTR-Net 6 Low pwr Multi-Net 7 High pwr Multi-Net 8 Low pwr Data LTR
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The LTR models of the 98xx mobile were avail-able in both high and low tier versions, and the Multi-Net, LTR-Net, and SMARTNET/SmartZone models are available in only the high tier version. Therefore, only high tier models are covered by this manual. For servicing information on low tier models, refer to the LTR manual described in the preceding .
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1 New Relic Data Processing Addendum This Data Processing Addendum (Addendum _) including its Exhibits and Appendices forms part of the agreement (Agreement _) for the purchase of services between New Relic, Inc. a Delaware corporation with offices located at 188 Spear Street, Suite 1200, San Francisco, CA 94105 ( New Relic _) and the entity identified as Customer on
The LQG/LTR Procedure for Multivariable Feedback Control Design Abstract-This paper provides a tutorial overview of the LQG/LTR design procedure for linear multivariable feedback systems. LQWLTR is interpreted as the solution of a specific weighted H*-tradeoff hetween transfer functions in the frequency domain. .
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