TABLE OF CONTENTS

WELCOME ...........................................................................................................................4

KEYPAD COMMANDS...........................................................................................................6

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
[7]=Daylight Savings.....................................................................................................................13
[8]=Change Schedule....................................................................................................................14
[9]=Sync Clocks.............................................................................................................................14
[A]=Program Holidays..................................................................................................................15
[B]=Communications (LTR8-512 and LTR8-512M Only)........................................................16
[C]=Change Password..................................................................................................................17