Lathem LTR8-512M User Manual

LTRx-512 User’s Guide 

EDITING COMMANDS 

[1] EDIT 

       [*] ABORT/EXIT

[3] PRV 

       [#] NXT/ENTER 

[6] ADD 

   [4] DEL    [9] FIRST

 Display   

Description 

 

[1] EDIT 

Edit the displayed record 

 

[3] PRV 

Show the Previous record 

 

[4] DEL 

Delete the displayed record 

 

[6] ADD 

Add a new record 

 

[9] 1ST 

Show the 1

st

 record (in ascending time order) 

 

[#] NXT 

Show the next record 

[*] EXIT 

End and exit 

 

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. The 12-hour 
format shows AM or PM, while the 24-hour format shows the day of the week. 
 

Program Keys 
 

To program your Master, press the [#] key. As described below, some functions require a user 
password, and advanced functions require an administrator password. 

 
[0]=Password 
 

You must enter a password to use most programming functions. To enter your password, press 
[#][0][#] 

 
 

 

 

PASSWORD            000000 

 

Enter your 6-digit password, then press [#] 

 

The default user password is 000000. See Function [C] Change Password to learn how to 
change your user password 

 

If you enter the wrong password, you will see ‘INVALID PASSWORD’, and you can try again 
 
Once you enter your password, the display shows ‘PASSWORD ACCEPTED’ and then reverts 
to showing the time. You can now program your Master. If you stop using the keypad for 5 
minutes, you must enter your password again to keep programming 

You must use an administrator password for advanced functions. Functions that require the 
Administrator Password are [2] Select Clock Ctrl, [6] Disable Circuits, [7] Daylight Savings 
and [B] Communications. Contact your dealer to learn more about these functions 

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