Velleman DB4 - Manual (Page 4)

DB4
24/02/2009 4 Velleman ®
4. Features
• encoded signal prevents false alarm
• easy installation without cables
• 3 different chimes: ding, ding-dong, Westminster
• 2 doorbell push buttons: a different doorbell melody can be set
for each push button
• 16 codes
• comes with:
o 1x doorbell
o 2x doorbell push button
o 2x 12Vdc battery, type A23 (for push buttons)
5. Overview
Refer to the illustrations on page 2 of this manual.
doorbell 3 status LED
1 4.5VDC input jack 4 DIP switch + cover
2 speaker 5 battery compartment
doorbell push button (2x) C select melody jumpers
A push button D DIP switch
B activate chime button (= A) E battery compartment
6. Operation
• Insert batteries (not incl.) into the doorbell (see §8) or connect a
4.5VDC adaptor (not incl.) to the 4.5VDC input jack [1].
Polarity for the adaptor:
• Open the DIP switch cover [4] of the doorbell. Releasing the
screw and remove the cover.
• Open the doorbell push buttons by pushing gently with a small
screwdriver in the gap at the bottom of the casing (see arrow)
and removing the back cover.
• Insert the batteries into the doorbell push buttons (see §8).
• Verify that the settings of the DIP switches of the doorbell [4]
and doorbell push buttons [D] are the same. These DIP-switches
set the encoding of the transmitted signal. When interference
with similar devices in the neighbourhood is noticed, change the