Summary of Contents for E.F. Johnson LTR-NET 984x Series
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LTR-NET™ MOBILE SERVICE MANUAL ADDENDUM 984x Series (UHF) 988x Series (800 MHz) 989x Series (900 MHz) 13.6 VDC Part No. 242-98xx-6xx First Printing April 1999...
TABLE OF CONTENTS TABLE OF CONTENTS 3URJUDPPDEOHý3RZHUý2XWSXW ýïýïýïýïýïýïýïýïýïýïýïýïýïýï ýëðìì GENERAL INFORMATION 6WHDOWKý0RGH ïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýï ýëðìì 7LPHð2XWý7LPHU ýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýï ýëðìì SCOPE OF MANUAL ïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïìðì 7RQHý6HOHFW ýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýï ýëðìë DIFFERENCES BETWEEN LTR AND 7UDQVPLWWHUý7KHUPDOý)ROGEDFNýïýïýïýïýïýïýïýïýïýïýïýïýï ýëðìë LTR-NET VERSIONSýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïìðì OPTION SWITCHES AND MENU MODEýïý ëðìë TRANSCEIVER IDENTIFICATIONïýïýïýïýïýïýïýïýïìðì 8VLQJý2SWLRQý6ZLWFKHVýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýï...
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TABLE OF CONTENTS TABLE OF CONTENTS (CONT’D) 2.13 TEST MODE......2-29 TRANSFER MENU .....3-12 General .
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TABLE OF CONTENTS TABLE OF CONTENTS (CONT’D) OTHER LTR-NET FEATURESýïýïýïýïýïýïýïýïýïýïýïýïéðæ LIST OF TABLES 8QLTXHý,'ý&RGHVïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýýéðæ (OHFWURQLFý6HULDOý1XPEHUýõ(61ô ýïýïýïýïýïýïýïýïýïýïýïýïýýéðå ìðì äå[[ý$FFHVVRULHVýýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïý ìðë (61ýDQGý8QLTXHý,'ý5HTXHVWVïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýýéðå ìðë ()-RKQVRQý/75ð1HWý7UDQVFHLYHUV ý ýïýïýïýïýïýïýïýïýïýïý ìðë ,QWHUURJDWH ïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýýéðå ëðì 0HQXý0RGHýDQGý2SWLRQý6ZLWFKý)XQFWLRQVý ýïýïýïý ëðìê .LOOýDQGý6OHHSýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýýéðå êðì 0HQXýDQGý2SWLRQý6ZLWFKý3DUDPHWHU 2YHUð7KHð$LUý5HSURJUDPPLQJ ïýïýïýïýïýïýïýïýïýïýïýïýïýïýýéðå ý'HVFULSWLRQVýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïýïý êðìì 0RYHýWRý6SHFLILFý6\VWHPî*URXS ïýïýïýïýïýïýïýïýïýïýïýïýïýýéðå êðë...
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OPERATION 2.4.4 SYSTEM/GROUP DISPLAY 1. The backlight turns on. INFORMATION 2. All segments of the alphanumeric display are enabled and the last seven digits of the transceiver Up to 99 systems and up to 99 groups per system part number (see Section 1.4) are displayed on the can be displayed.
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OPERATION 2.7.4 LTR MODE SCANNING switch. If this switch is not programmed, scan list programming is not available. The scan lists can be With LTR mode scanning, the home repeater of programmed even if scanning is not enabled. The each LTR system in the scan list is scanned. Scanning displayed system is in the scan list and scanned is sequential through all LTR systems in the scan list.
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OPERATION Roaming must be enabled by the ROAM option If no localities are found on the first pass that switch, ROAMING menu parameter, or program- have a high enough signal level, the locality that was ming (if the option switch and menu parameter are just dropped is added back into the search list and all not available).
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OPERATION 2.9.5 TRANSCEIVER DISABLE set during alignment as described in the service manual (see Section 1.5.4). In addition, three squelch levels called Dropout, Capture, and Tight Capture Percentage If a mobile is lost or stolen or is being used to are programmed for each locality (see Table 3-3).
OPERATION 2.10 LTR FEATURES NOTE: Since this feature does not increase system capacity, adding too many users may result in unsatis- 2.10.1 GENERAL LTR FEATURES factory operation due to frequent busy conditions. Operation With Home Channel Aliasing LTR operation is described in Section 2.4.8. The two types of calls that can be placed with LTR opera- If a system programmed with a non-existent tion are Group and Telephone.
OPERATION 3. Briefly press the PTT switch to obtain a dial tone. A have this capability). With most systems, a mobile successful access and busy or no access conditions user can be called directly (each has a unique tele- are indicated as described in Section 2.4.10. phone number).
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OPERATION the monitor mode, take the microphone off-hook. The problem, there is the option with this feature to allow monitor mode is indicated by in the display. transmitting if the correct receive Call Guard tone or code is detected. A conventional system must be selected to enable 2.11.3 RECEIVE-ONLY GROUPS monitoring.
OPERATION 2.11.6 EXTERNAL ENCODERS AND both the transmitting and receiving transceiver to be DECODERS functional. When the channel is monitored before transmitting, Call Guard squelch may be temporarily disabled by the monitor mode described in Section External encoders and decoders are not currently 2.11.1.
OPERATION Time-Out Timer - If this tone sounds after the trans- Call Proceed Tone - With LTR-Net Directed Group mitter has been keyed for an extended period and calls, ringing does not occur after the number is dialed. “TIMEOUT” is displayed, the transmitter has been Instead, this short tone sounds after the confirmation disabled by the Time-Out Timer feature (see Section tone to indicate that the audio path is complete and...
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OPERATION 2.12.4 DISPLAY MESSAGES NO PHONE - Indicates that there is no telephone group programmed in the current system when the The following messages appear in the display to TEL option switch is pressed (Section 2.8.5). indicate various operating modes and error condi- tions.
OPERATION 2.13 TEST MODE TX INHIB - Indicates that the transmitter has been disabled by the Transmit Inhibit feature (see Section 2.13.1 GENERAL 2.8.4). 2.12.5 MENU MODE MESSAGES This transceiver currently does not have a test mode that can be selected to perform transceiver test- The following messages are displayed in the ing.
OPERATION To mark a code as read, press the Select switch. A Connect the programming setup and then select File > beep then sounds and the next code is displayed if Read Codes or click the icon in the toolbar (see applicable.
PROGRAMMING - Delete a locality (Section 3.6.8). information. If this number reaches zero before all data is entered, fewer localities/systems/groups/banks must - Create a new system (Section 3.6.9). be programmed (see Section 2.4.9). - Edit a current system (Section 3.6.9). Reserved - This display is reserved for future use and any number it displays can be ignored.
PROGRAMMING Title Bar - Menu Bar - Toolbar - EEPROM Flash Program Status/ Memory Caps Special Memory Function Description Lock Lock Modes Left Reserved Left Status Bar - Figure 3-2 Main Window Programming Main Radio Parameters Menu Parameters - Select the Menu Items screen by clicking the tab at the top.
PROGRAMMING Edit Bank - Select Edit > Banks > Edit Existing or click in the toolbar. Delete Bank - Select Edit > Banks > Delete or click in the toolbar. 2. When the bank programming screen is displayed, select the display number of the system to be added, edited, or deleted.
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PROGRAMMING Table 3-3 Locality Programming Screen Description This screen is used to create a new locality or edit a current locality. It is displayed by selecting the Edit > Localities menu (see Section 3.6.8) or clicking one of the buttons in the toolbar. In general, a locality is a repeater site. Parameter Description Locality Name This is an eight-character name given to the locality to identify it during programming.
LTR-NET OVERVIEW SECTION 4 LTR-NET OVERVIEW Locality 1 Locality 2 Locality 3 Viking® VX Repeaters Viking® VX Repeaters Viking® VX Repeaters Data Data Data Subscriber Subscriber Subscriber Units Units Units Voice and Voice and System and Subscriber Data Link Data Link Manager Voice and 3000-Series...
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LTR-NET OVERVIEW subscriber units using a group call if the group is permanently disabled by the kill command or tempo- assigned to only one subscriber unit. rarily disabled by the Sleep command. If the Kill command is sent, the unit responds indicating that it A temporary unique ID code can also be assigned has received the message and then it permanently over-the-air.
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LTR-NET OVERVIEW ceivers, it is determined by the percentage of good attempts are made. With mobile transceivers, this data messages received over a certain period. feature is always enabled, and with portable trans- ceivers, it can be enabled or disabled by programming. When the home repeater signal strength drops below the threshold, the status channel of that locality When a mobile subscriber unit is no longer in...
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LTR-NET OVERVIEW 7KLVýSDJHýLQWHQWLRQDOO\ýOHIWýEODQNï April 1999 Part No. 001-9800-600 4-10...
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Part No. 001-9800-600 4-99hph (First Issue) Printed in U.S.A.
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