SE-DTM
UPGRADE MICROPROCESSOR
INSTALLATION INSTRUCTIONS
345 Bayview Avenue
Amityville, New York 11701
For Sales and Repairs, (800) 645-9445
For Technical Service, (800) 645-9440
© ALARM LOCK 2001
WI1059 01/01
ALARM LOCK
Upgrading the AL-DTM
1 Open battery compartment and disconnect battery.
2 Remove (4) Phillips head screws from back of case.
3 Lift back of case from DTM. Take care not to pull on the attached battery leads
or lose the (4) plastic spacers which are located on each corner of the circuit
board.
4 Locate Microprocessor IC5.
5 Insert a small flat-bladed screwdriver under each end of microprocessor and lift
with a gentle twisting action.
6 Observing polarity (NOTCH TO LEFT), insert new microprocessor into socket.
Take care not to bend any of the microprocessor leads. Insure that all leads are
properly inserted into socket.
7 Insure that each of the (4) plastic spacers is in its proper position.
8 Place rear cover on DTM
9 Secure cover with the (4) screws (the 2 longer screws secure the top of the unit
and the 2 shorter ones secure the bottom).
10 Re-connect battery and close battery compartment.
11 The AL-DTM is now ready to be used.
An upgrade of the DL-Windows program to version 2.7B or higher will require that the firmware in the AL-DTM
module also be upgraded to the latest revision. This is accomplished by replacing the microprocessor of the AL-DTM
with an upgrade chip, part number SE-DTM. The instructions below depict the procedure for replacing this IC. Note: if
you are unsure about the version of DL-Windows you are running, the version number can be found on the
DL-Windows Help menu in the "About" Screen.
Spacers
(4 places)
Polarity
Notch
IC12
IC11
IC4
IC5
Microprocessor
Phillips head
screws
(4 places)
End View
Microprocessor
Socket
Insert screwdriver here
SE-DTM_WI1059_INST
