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In the DL-Windows Features screen, why is the "Disable Sounder" option unavailable for my DL2800 lock?

Answer:
While "Disable Sounder" is a feature that is inherent in many of our locks, this feature is omitted from the DL-Windows Features screen for the DL2800 lock, as shown in the following image:
...

With the DL2700, DL2800 and DL3000 locking devices, what can I use to help when installing these locks with a 5-inch backset?

Answer:
When a 5 inch backset is required when installing the DL2700, DL2800 and/or DL3000 locking devices, the Marks USA 5-inch extension (part #1855) may be used.  

I need to reset my lock back to its original factory settings and "Erase All Programming". The process listed in the manual does not seem to work. How can I resolve this? (For cylindrical locks DL2700, DL2800, DL3000, DL3200, DL4100, PDL3000, PDL4100)

Answer:
Some locks work differently based on the electrical components installed in the lock that can make the timing of key presses very important.  Should the "Erase All Programming" procedure detailed in the programming manual not work, try the...

Must the model DL2800 Manager Code be 6 digits in length, similar to the Master Code?

Answer:
No, the Manager Code, with its 3 default levels, is typically six digits in length.  Note that it can also be programmed as a 3-, 4- or 5-digit code.

How can I convert a DL or PDL cylindrical lockset (with a standard lever cylinder) to a small format (BEST type) interchangeable core cylinder?

Answer:
NOTE:  This applies to the following models:  DL2700, DL2800, DL/PDL3000, DL3200, DL/PDL4100, DL/PDL6100.

I have sent a new schedule to my lock; however it does not seem to be taking effect immediately. How can I resolve this?

Answer:
When any type of scheduled event is sent to the lock, do not expect the scheduled event to take effect immediately after sending the program to the lock.  For example, if you create a Passage Mode schedule for "every day from 9AM to 5PM", and...

Can a Lost Account be rebuilt by Uploading Programming from the Lock?

Answer:
Yes, You can rebuild a Lost Account by Uploading Programming from the Lock by following the process below. Note: This process applies to DL-Windows v3.5.6 - v4.1.96, and all T3 Trilogy Locksets. 

How do I install the Yale full format interchangeable core tailpiece (part S6070-Y)?

Answer:
For Models DL2700, DL2800, DL3000, PDL3000, DL3200, DL4100, PDL4100, DL6100, PDL6100 when configured for Yale full-format interchangeable core:
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My door is old and has damage or too many holes in the area where the lock is to be installed, and/or my door has a mortise lock installed but I want to install a cylindrical Alarm Lock product.

Answer:
As long as there is a gap of 3/16" or more between the edge of the door and the door jamb, you can use Alarm Lock part CW-27S (stainless steel wrap-around plate shown below) to cover damage, wrong holes, or convert a mortise lock door prep to a...

What cylinder made by Schlage will fit into Alarm Lock lever-sets?

Answer:
Cylinders made by Schlage for their A Series locksets will fit into Alarm Lock lever sets.  Remember; you must use the proprietary tailpiece made by Alarm Lock (Alarm Lock tailpiece part number HW580). 

What cylinder made by Sargent will fit into Alarm Lock lever-sets?

Answer:
Only Sargent "6-Line" cylinders will fit into Alarm Lock lever-sets.Remember:  You must use the proprietary tailpiece made by Alarm Lock.The original tailpiece supplied with the Alarm Lock cylinder will snap directly into the Sargent...

What cylinder made by Schlage will fit into Alarm Lock lever-sets?

Answer:
Cylinders made by Schlage for their A Series locksets will fit into Alarm Lock lever sets. Remember; you must use the proprietary tailpiece made by Alarm Lock (Alarm Lock tailpiece part number HW580).

Can the keypad sounder be disabled?

Answer:
Most models DO have the ability to disable the keypad sounder.  However, Alarm Lock models DL2800 and DL3000 do not support silent operation.
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