Lathem LTR4-512 User Manual
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Lathem LTR4-512 User Manual

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LTR4-512
LTR8-512
LTR8-512M
MASTER CLOCK
User's Guide

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Summary of Contents for Lathem LTR4-512

  • Page 1 LTR4-512 LTR8-512 LTR8-512M MASTER CLOCK User’s Guide...
  • Page 2 Cet appareil numerique de la classe B est conforme a la norme NMB-003 du Canada. LATHEM TIME CORP “LTR4-512”, “LTR8-512”, “LTR8-512M”, “Radio Sync”, “LTR MasterLink”, “Terminal Manager” and “PayClock” are Trademarks of Lathem Time Corp., Atlanta, GA USA ® MS-DOS and Windows are registered trademarks of Microsoft Corporation. Other product names mentioned in this manual may be trademarks of their respective companies and are hereby acknowledged.

  • Page 3: Table Of Contents

    ...4 ELCOME ...6 EYPAD OMMANDS Quick Check Command [*] Status ...6 Quick Check Command [1] Edit Keys ...6 Quick Check Command [3] 12/24 Hour Display ...7 Program Keys ...7 [0]=Password ...7 [1]=Set Date and Time ...8 [2]=Select Clock Control...9 [3]=Manual Bell Control...10 [4]=Program Schedules...10 [5]=Schedule Changes...13 [6]=Enable or Disable Circuits...13...

  • Page 4: Welcome

    (optional) If your Master has 4 lights on the front panel, then you have the model LTR4-512 CLK 1 If your Master has 8 lights at the left of the front panel, then you have the model LTR8-512. If...
  • Page 5 Your Master contains a lithium battery to keep the correct time when power has stopped due to an outage or the internal on/off switch. Once AC power resumes, your Master will calculate how much time your clocks lost and will automatically advance them to the correct time (this feature does not support Clock Types 14, 15 or 24).

  • Page 6: Keypad Commands

    Keypad Commands Quick Check Command [*] Status This “Quick Check” command displays system information for about two (2) seconds Any time you see the time and date displayed, you can press [*] to see the Master status. You will see the firmware version, terminal ID#, communications baud rate, time display format (12-hr or 24-hr), daylight savings country code and the clock types set with your system When you press [*], you will see a display similar to 04-03-03...

  • Page 7: Quick Check Command [3] 12/24 Hour Display

    EDITING COMMANDS [1] EDIT [3] PRV [6] ADD Display [1] EDIT [3] PRV [4] DEL [6] ADD [9] 1ST [#] NXT [*] EXIT Quick Check Command [3] 12/24 Hour Display Any time you have entered your password and you see the time and date on the Master, you can press [3] to toggle the time and date between 12-hour and 24-hour format.

  • Page 8: Set Date And Time

    [1]=Set Date and Time To set the date and time, enter your password (#0#), then [#][1][#] Enter the numbers for the month, date and year (4-digit year), then press [#], such as [0][4][0][3][2][0][0][3][#] shown below: ENT.DATE: 04-03-2003 ENTER DAY-OF-WEEK: D 1=SUNDAY..7=SATURDAY Enter a number [1] - [7] for the day of the week, Sunday through Saturday: [1]=Sunday...

  • Page 9: Select Clock Control

    This function requires the administrator password Use this function to choose the make/model of the clocks that your Master will synchronize (Note: The LTR4-512 can only synchronize one type of secondary system) Enter your administrator password, then start this function by pressing [#][2][#]...

  • Page 10: Manual Bell Control

    [3]=Manual Bell Control This function does not require a password Use this function to test bell circuits or to sound a bell during an unscheduled time, such as a fire alarm. Press [#][3][#] to start this function MANUAL BELL CONTROLS 1-2-3-4-5-6-7-8 PRESS AND HOLD [#] TO EXECUTE.[*]TO END...
  • Page 11 Press Schedule Number [1] - [8]. Normally, start with [1] The following will show on the display: For Firmware version 4.05 and earlier: For Firmware version 4.06 and later: To select the appropriate mode: Press [1] DATA ENTRY to create a new schedule Press [2] DATA SCAN to view a schedule Press [3] DATA EDIT to change a schedule Press [4] CLEAR to clear all records in the selected schedule...
  • Page 12 Press [#] to accept. Then select the days when this event occurs [0] selects no days, [1]-[7] selects Sunday-Saturday, [8] selects holidays and [9] selects all days (including holidays). Press these keys to turn days on or off. After you choose the days when the event will occur, press [#] Example: Press 1,3,5,7,8 to turn off all days except Monday, Wednesday and Friday SELECT DAYS: S M T W T F S H...

  • Page 13: Schedule Changes

    [5]=Schedule Changes If you wish to activate schedules at a future date, use Schedule Changes to program a schedule’s start date and time. This function works much like the Bell Schedule Function [4]. Enter your password (#0#), then press [#][5][#] PROG.SCHEDULE CHANGE SELECT After making your choice, you will see...

  • Page 14: Change Schedule

    Your LTRx-512 knows the daylight savings time (DST) settings for over 75 countries. By using the 2-digit “country code”, your LTRx-512 will automatically adjust for daylight savings time. If you own the LTR8-512 or LTR8-512M and if your nation does not appear in the Country Code list or if the dates for Daylight Savings in your country have changed, you can choose code ‘00’...

  • Page 15: [A]=Program Holidays

    Enter your password (#0#), then press [#][9][#]. You will see a display similar to the following: SELECT SYNCH CLOCKS CLK[1] &/OR CLK[2] Note: CLK[2] appears on the LTR8-512 and LTR8-512M only Since only one of the clock circuits may have lost power, you can choose to re-sync CLOCK1, CLOCK2 or both.

  • Page 16: [B]=Communications (Ltr8-512 And Ltr8-512M Only)

    1) Select SmtwtfSH for an event to occur on Sunday, Saturday, or any day setup as a Holiday, even if the holiday is other than Sunday or Saturday 2) Select sMTWTFsh for an event to occur Monday through Friday, unless the day is a holiday 3) Select SMTWTFSH for an event to occur every day, even on holidays You cannot choose function [A] directly.

  • Page 17: [C]=Change Password

    You can see your terminal ID# and baud rate by using the “Quick Check” command [*] when the LTR8-512 is in Clock Mode [C]=Change Password Use this function to change the default user password (000000) to a unique 6-digit number to prevent unauthorized access to the LTRx-512’s programming functions.
  • Page 18 If they do, they will notify you in advance so as to give you an opportunity to maintain uninterrupted service. If you experience trouble with this equipment (Modem), please contact Lathem Time Customer Service at (800) 241-4990 for repair/warranty information.
  • Page 19 No warranties are given with respect to products purchased other than from Lathem or an authorized Lathem reseller and any such products are purchased "as is, with all faults." In no event will Lathem be liable for any direct, indirect, special, incidental or consequential damages arising out of or in connection with the delivery, use or inability to use, or performance of this product.
  • Page 20 Baud rate...6, 17 Bell schedules...5, 6, 10 Bell Zones...21 Change Password ...7, 17 Change Schedule ...14 Clock types ...6 Communications...2, 5, 6, 7, 16 Communications function...16 Country code ...6, 14 Daylight savings ...5, 6, 13, 14 Disable circuits ...7, 13 Enable circuits ...13 Function [0] - Password...7 Function [1] - Set Date and Time ...8...
  • Page 21 BELL SCHEDULE PROGRAMMING CHART SCHEDULE #: 1 2 3 4 5 6 7 8 DAYS CIRCUITS SMSTWTFSH 12345678  M TWTF   1 234 COPY THIS PAGE FOR USE IN CREATING YOUR OWN BELL SCHEDULES (Circle One) START DAYS HH:MM SMSTWTFSH ...
  • Page 22 LTRx-512 User’s Guide SCHEDULE CHANGE DATES PROGRAMMING CHART DATE:____-____-____ DATE TIME SCHEDULES NO. MM 12345678 COMMENTS 2345 Shortened Schedule COPY THIS PAGE TO USE IN CREATING YOUR SCHEDULE CHANGE TABLE...
  • Page 23 HOLIDAYS SETUP CHART RECORD DATE COPY THIS PAGE TO USE IN CREATING YOUR HOLIDAY TABLE DATE:____-____-____ COMMENTS Independence Day...

This manual is also suitable for:

Ltr8-512Ltr8-512m

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