What you’ll need

TL11 timelock parameters are programmed using Windows software and peripheral equipment. An auditable keypad is also required.

  • If the lock has not been fitted with an auditable keypad, one can be connected to the lock temporarily for setup.

The audit and setup peripheral equipment required depends on the keypad in use. Kits are available to purchase from our online store.


Audit and setup kit for 3125 keypads. Most TL11 locks are fitted with 3125 keypads.

Audit and setup kit for 5750-k keypads (Also compatible with older 3750-k keypads)


Manager code to transmit if in open window

Master and Manager code to sync if time has been lost.


Download and unpack the file

  • Click the button below to access a webpage where a .zip (Compressed) file with the software package can be downloaded
  • On the web page that opens, click the Download button located top left on the page. Do not click the file itself

The zipped file will download to either the downloads folders, or another location depending on your browser. Once the file has downloaded, it must be unpacked or unzipped.

  • Locate then right click the file and select Extract all…. If the file has been supplied on a USB flash drive, copy the file to your computer and extract it.
If it is not possible to unpack the .zip file using the Extract all... command, download suitable unpacking software such as 7-zip

Install the Driver

Locate the folder drivers, open it and double click the file cdm20600.exe

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Allow the application to run and wait for the driver to finish installing.

Install the software

Locate and open the folder TL11 Timelock Software Only v2.00b. Double click the file INSTALL.EXE and follow the onscreen instructions to install it. Allow the file to run if prompted.

A shortcut will be created on the desktop and in the start menu folder under LaGard

Timelock software instructions

Communications settings

Connect the audit cable to the USB interface, and plug the interface into the computer.

Open the computer’s Device Manager tool which is normally located in the Control Panel.

Click the arrow or plus next to Ports (COM&LPT)

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Make a note of the (COM) port number listed against USB serial port or Communications Port if using a Serial Adapter or Serial Interface. In the example above, it is COM port 1.

  • If the port is not numbered between 1-4, right click USB Serial Port (COM_)  and select Properties. Click the Port Settings tab, then click Advanced and use the drop down menu change the port number to between 1-4. Click OK. It is possible that reassigning a port number to the USB interface may impact on other peripheral devices used with the PC. Please consult with your IT specialist to confirm.

In the TL11 timelock software, click configuration, and select port, then select the correct port number as identified, then click OK.

TL11 timelock software screen features

Active: Activates timelock features using the timelock settings complete in the standard week list.

Immediate lock: Gives access to the manager to timelock the system immediately for a specified period of time using special function 4. Please refer to TL11 operating instructions.

Immediate lock (Users): Gives access to users to timelock the system immediately for a specified period of time using special function 4. Please refer to TL11 operating instructions.

Open Ext.: Applies an opening extension to special function 4 instead of immediate lock, which allows the lock to stay open for a specified period of time when on the normal schedule, timelock would become active.

Summer time: This box should be ticked if the lock is being programmed with timelock during British Summer Time (Between the last Sunday in March and the last Sunday in October)

Sync only: If this box is ticked, all timelock settings will be greyed out, and only the computer’s current time and date will be synchronised with the lock.

Sort: Sorts records by day on the standard week, or chronologically on special events.

Completing timelock lists

Deselect Sync Only, and select Active to allow the records list to be completed.

Standard week

The values being entered indicated the times when the lock can be accessed with a valid code. For all other times outside of these open periods, the lock will be in timelock.

  • Click anywhere on the first line in the standard week table
  • Use the drop down list to select the appropriate day
  • Tab or select with the mouse to complete the opening and closing times
  • The duration is automatically completed
  • Tab to the next row to complete further open periods
  • When complete, click

Special events

  • Click anywhere on the first line in the special events table
  • Type in the appropriate start date of the event
  • The day of the week is automatically completed
  • Tab or select with the mouse to complete the event start time
  • Tab or select with the mouse to complete the event end date and time
  • The duration is automatically completed
  • Select whether the the special event is for the lock to be accessible (open) or inaccessible (closed)
  • Tab to the next row to complete further special event dates
  • When finished, click

Deleting an entry

An entry can be deleted either by right-clicking on the entry and selecting to delete that entry or delete all.

Saving a timelock list

A timelock list can be saved for future use:

  • Click on the File menu
  • Select Save as from the drop down menu
  • Navigate to a preferred save location (the software defaults to the configuration folder)
  • Type an appropriate file name with the file extension .tlk

Loading a saved timelock list

A previously saved timelock list can be loaded for use

  • Click or select Load from the File menu
  • Navigate to the location where the .tlk file has been saved

Transmit a timelock setting

Ensure that the audit cable is connected to both the keypad and USB interface, and the USB interface is connected to the computer.

  • Click to start the transmission process

Instruct the lock to receive the timelock settings

  • Enter the manager code (Default is 1-2-3-4-5-6) and hold down the last digit until two sets of double beeps have sounded and the LED stays on
  • Press 6

The lock status log with start to fill with the settings data in code transcript

The main timelock setup screen will show Communication in progress

Transmission is complete when the log screen shows End and the setup screen shows Done

Date and Time: Shows the date and time that has been sent to the lock, i.e. the computer’s current date and time

Master Override

If a lock system has lost power and has lost time, or if it is necessary to change the Daylight Savings Time status, it is possible for the master and manager to synchronise time when the lock is in timelock.

  • Timelock is indicated by a continuous 2 second beep after entry of a valid code

To follow the master override procedure:

  • Press and hold 0
  • Enter the 8-digit master code and hold down the last digit until two sets of double beeps have sounded and the LED stays on
  • Press 8
  • Enter the 6-digit manager code and hold down the last digit until two sets of double beeps have sounded and the LED stays on
  • Press either 5 to change the DST status (Refer to TL11 operating instructions) or 6 to initiate communication with a PC to synchronise the correct time

Clock synchronisation

Due to clock drift, it is advisable to periodically synchronise the TL11 lock with the correct time using the sync only feature of the software,