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Manafacture: Lathem File size: 876.02 kb File name: LTR512_UsersGuide.pdf Language of manual:

If you enter a time earlier than 13:00 (1:00 PM), then press [1] to change PM to AM The menu will ask for the bell length (SECONDS ON) Enter how many seconds this event lasts. The bell length shows 3 seconds (or 5 seconds if your CLOCK1 is Type 15). To accept, press [#], or enter another value from 01-99 seconds, then press [#] Your Master saves these values in the schedule then displays SELECT DAYS again, waiting for you to enter another event. Once you finish entering events, you can quit by pressing [*] Make sure you use Function 5 or Function 8 to activate your schedules Use the handy programming charts included with your Master Clock Text Box: SELECT DAYS: S M T W T F S H 2 4 6 Text Box: ACTIVE DAYS: M W F SELECT CKTS: 1234 Text Box: ACTIVE DAYS: M W F SELECT CKTS: 1234 ENTER START: HH:MM P Text Box: ACTIVE DAYS: M W F SELECT CKTS:1234 START TIME : 08:00 A SECONDS ON : 03 [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 [1]DATA ENTRY [2]DATA SCAN [3]DATA EDIT After making your choice, you will see Enter the date and time, then press the schedule number (1-8) for each schedule to activate at that date and time. You do not need to press [#] after you enter each value - only press [#] after entering the last New Schedule on line 4. After you enter each change, the menu gives you the chance to enter, scan or edit another one. Or, press [*] to quit. The Master will hold up to 16 programmed changes. Once your change occurs, your Master clears it from memory, making room for you to enter more changes. Note: Only the schedules entered in this function will activate at the Date and Time entered. Any schedules previously active will become deactive if not on the list of new schedules. [6]=Enable or Disable Circuits This function requires the administrator password. Use this function to Enable and Disable your Master’s control relays during circuit wiring or maintenance. This function can also ‘hold back’ clocks to manually adjust for daylight savings in the fall if you have chosen not to use Function 7 “Daylight Savings”. [7]=Daylight Savings This function requires the administrator password. Text Box: PROG.SCHEDULE CHANGE EFF. DATE : 00-00-00 EFF. TIME : 00:00 NEW SCHEDS: 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’ and use the optional LTR MasterLink software to program when the clock adjustments should occur. [8]=Change Schedule Use this function to run a schedule that you setup in function [4]=PROGRAM SCHEDULE. Enter your password (#0#), then press [#][8][#] to change a schedule. You will see a display similar to the following: In the above example, the display shows that Schedules #1, #2 and #5 are all active now. You can think of this as 3 schedules of up to 64 events used together to make 1 large schedule of up to 192 events Press [1] - [8] to select the schedules you wish activated immediately. The [0] key turns all schedules off. When the ACTIVE NEW line shows the schedules that you want active, press [#]. Be sure that all schedules that you want active show on this line, even if they were already active. You will see PRESS [#] TO EXECUTE Press [#] again, and your choices on ACTIVE NEW will activate now. Or, press [*] to cancel without making any changes Schedules that you make active here will stay active until you change them again or until the Date and Time of the next Schedule Change [5] is to occur. [9]=Sync Clocks Use this function to quickly sync any secondary clocks that lose time. This can occur if power to your LTRx-512 stayed on while power to the secondary clocks stopped. Note: This function is primarily used during initial installation of the secondary system, if there has been maintenance of the system requiring the power to be turned off, or other special circumstance. The Master Clock should keep your secondary clocks on time based on the type and style of correction the system is using. Text Box: ACTIVATE SCHEDULE(S) ACTIVE NOW:12 5 ACTIVE NEW: Enter your password (#0#), then press [#][9][#]. You will see a display similar to the following: 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. Press [1] to turn on or off this display: ADVANCE CLK1 Press [2] to turn on or off this display (you will see this option only if your clock is setup for 2 Clock Systems.): ADVANCE CLK2 After choosing which clock circuits to sync, press [#]...

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