Serene CA-PX User Manual page 9

The example below shows a simple system comprised
of a personal receiver (CA-PX), a door knock sensor
with door hanger (CA-DXH)
(CA-AX) 2 .
Since no metal mounting clip is visible from the hotel
hallway, the use of CA-DXH will not reveal guest that
is hard-of-hearing. It is perfect for use on hotel or
dormitory doors where a temporary installation is
preferred.
To futher enhance the system effectiveness and user
safety, both registered and unregistered CA-AX audio
sensor wireless signals can be detected by the CA-
PX.
Note 1: Model CA-DXH and Model CA-AX are optional
accessories and are sold separately.
Note 2: Model CA-DXH is a standard door knock
sensor mounted on a plastic door hanger. This
combination is designed to hang on the interior handle
of a door knob for detecting door knocking.
1 and an audio sensor
Follow the steps below:
1. Install batteries in all accessory units that you
want to use in the system.
2. Power On the CA-PX.
3. Press and hold the Learn button for 6 seconds
until it vibrates (and beeps if the speaker is On)
to enter the Learn mode. The Learn button
LED will blink for about 20 seconds, after which
9