Door Lock Control Unit and Door Phone
Station Apparatus
Strata DK40 I&M Manual Spring 1999
5-27
Refer to the Strata DK40 Programming Manual or DK Library CD-Rom for more details.
MDFB Wall Mounting
1. Remove the screw from the bottom of the cover. Detach the cover from the base and
metal frame (Figure 5-15).
2. Position the metal frame and base to the mounting surface and secure with two one-inch
panhead wood screws.
3. Attach cover to the metal frame and base and secure with the screw which was removed
in Step 1.
MDFB Volume Control Adjustments
1. Remove the screw from the bottom of the MDFB cover.
2. Detach the cover from the base and metal frame (Figure 5-15).
3. The volume level is changed by a screw adjustment on the back of the MDFB. Turn the
screw with a flat-headed screwdriver while ringing the MDFB or while on a call with it.
The volume level will change as the screw is turned.
Two Wall
Mounting Holes
Door Phone
Base
Metal Frame
3.25
inches
1494
Figure 5-15 Door Phone (MDFB) Installation
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