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Rev. A.2, 10/03 Page-16
To delete all User codes, there is a special prefix. Put the unit into program mode (fast yellow
flash) from the “Prgm Code” button or from the existing Program code and enter 8-8. This
special prefix will immediately delete all User codes and you’ll immediately receive the two red
flashes. There is no need to hit the Bell key as it is used for early termination of sequences that
don’t have a fixed length (typically codes). 8-8 as a prefix is a complete command. You will
then need to press the Bell key to exit program mode (or wait 30 seconds). Deletion of all codes
is typically done when you have lost accurate knowledge of what codes are in memory. It’s best
to delete them all and program a new set.
4.6 SETTING THE TIME RANGE AND TOGGLE MODE
The DK-26 will release the lock it controls for a default time of 5 seconds when a correct User
code is entered. This can be changed to any value from 1-99 seconds by entering a special
programming sequence. With the unit in program mode, enter key 9 followed by any two digit
entry from 01 to 99. You will then see the double red flash immediately. If you get the single
“error” flash, you probably entered only one digit. Then exit program by hitting the Bell key or
waiting 30 seconds. Enter a correct User code to test that the changed time is working.
The DK-26 will operate in toggle mode if key 9 followed by 00 is entered when the unit is in
program mode. In toggle mode operation, the relay will energize when a correct code is entered
and deenergize when a correct code is entered a second time. Toggle mode is generally used
for the application where the door is released all day by entering a User code and then secured
all night by entering a User code again. When you have enabled toggle mode, activation of
the REX input will successively energize and deenergize the lock control relay (just as if you
entered the User code).
5. CHANGING LED AND BEEPER OPERATION
As delivered, the DK-26 echoes key presses by a short beep and a short flash of the green
LED. The red LED comes on to show that the door has been released and also to confirm or
reject programming commands (two flashes confirm; one rejects). As an issue of individual
preference, these operating defaults can be changed.
The beeper can be assigned to sound when the door is released. If this is done, it will
continue to sound for its other functions (echoing keys and continuously sounding for 30
seconds if 16 wrong keys have been entered). Users find this function helpful if a silent type of
electric lock is being employed (such as an electromagnetic lock). When the person attempting
to enter hears the beeper, he is prompted to open the door. To set this change, put the unit
into program mode and enter 7-0. You will see the two flash confirmation. Exit program mode
by hitting the Bell key or waiting 30 seconds.
Some customers want to silence the beeper as its sound can be considered annoying in some
environments. . To set this change, put the unit into program mode and enter 7-1. You will
see the two flash confirmation. Exit program mode by hitting the Bell key or waiting 30 seconds.
This function will override the one discussed in the previous paragraph.
To return the beeper to factory set default, put the unit into program mode and enter 7-2.
Finally, you can reverse the red/green LED logic so that the green light comes on when the
red light did, and visa versa. To set this change, put the unit into program mode and enter 7-3.
You will see the two flash confirmation. Exit program mode by hitting the Bell key or waiting 30
seconds. If you make this change, note that every time this manual discusses something that
the red or green LED does, it will be reversed.