2000 01 25 /Rev.A 8
User Manual
Transceiver U922 TD 91836GB
Alarm Functions
Alarms can be generated manually and automatically from U922 alarm transceiv-
ers. At alarm activation, a code is sent to the alarm central with information on the
transceiver identity, alarm type and, if available, location information. An error
alarm is presented if the radio connection is interrupted or if the transceiver ceases
to function. An alarm can also generate pagings to other mobile transceivers/
receivers in the system. For example, the transceiver can be part of a pre-defined
group consisting of a number of selected work groups equipped with U922 units.
The code format of the telePROTECT 900 personal security system is compatible
with the teleCOURIER 900 paging system which means that functions and units
from the two systems can be integrated with each other.
Push-button Alarm
Two or more short presses on the red alarm-button activate an alarm that is sent
to the central equipment. When the alarm is transmitted,
the red LED on the top of the transmitter flashes
and the text “ALARM“ appears in the display.
The alarm is transmitted silently, unless the
Acoustic Location Signal (ALS) is activated.
If a system is programmed for technical alarm,
the text “ALARM“ will remain until the central
equipment has received the alarm and an
automatic acknowledgement is sent to the pocket
unit. If no acknowledgement occurs, the transceiver
will repeat the alarm transmission automatically until
an acknowledgment is received. This applies to all alarm types.
Test/Assistance Alarm
A press of longer than one second activates a test alarm that does not lead to any
alarm measures. If the test alarm is not presented by the central equipment or if an
error is indicated, another test alarm must be sent. If the test alarm is still not
presented or the error indication remains, the transmitter must be sent to the
supplier for service. To check the alarm transmitter and the system, a test alarm
should be activated every day. The test alarm can also be reprogrammed and used
as assistance alarm.
Pull-Cord Alarm (option)
A pull cord alarm is activated by snatching
away a catch that is mounted at the
bottom of the transceiver. The catch is
fastened with a cord to a clip. The clip can
be fastened to a belt or pocket or other
article of clothing. If someone tries to
snatch the transceiver away from the user
the catch releases and the alarm is
activated.
NOTE: Make sure that the clip of the Pull-cord is
firmly attached, for instance at your belt.
NOTE: To remove the Pull-cord without triggering
an alarm, the Pull-cord alarm must be turned off.
Alarm
Pushbutton
