TD 92351GB
2007-03-15/ Ver. C
User Manual
Ascom a51 Alarm Transmitter
7
button alarm is sent, the last stored location before charging the Alarm Transmitter, is
sent).
Note: If the Alarm Transmitter is put into the charger during the shutdown warning beep,
the beep will stop and the Alarm Transmitter will not enter deep sleep at this time.
Note: Check the battery status every time you start to use the Alarm Transmitter. It is
recommended that the Alarm Transmitter is charged daily. This is even more important
when the Alarm Transmitter is used in temperatures below 0ºC.
5 Alarm Functions
In order to assure a safe transmission of an alarm to the system, every alarm is sent in two
sequences. The number of times to resend an alarm in each sequence is configurable with
parameters.
A beep/vibrator/LED signal can confirm that an alarm has been sent. These feedback
signals of a sent alarm are all configurable.
The alarms are handled by FIFO (First In First Out) and thus no alarm prioritation is made by
the system.
Common alarm configurations
The following parameters are common for the Test alarm, Alarm, Soft-alarm, Man-down &
No-movement and Pull-cord alarm types.
• Number of alarm transmissions per sequence
• Beep feedback
•LED feedback
• Vibrator feedback
• Alarm deactivation (Only Man-down & No-movement alarm)
5.1 Push-button Alarms
Test alarm
Press the Alarm- or Soft-alarm button for at least one second. Depending on set
parameters, a beep is heard, the green LED flashes once and the vibrator stirs.
Note: To test the Alarm Transmitter and system, a test alarm should be sent every day.
Alarm
Press the Alarm push-button twice or more. Depending on set parameters, a beep is
heard, the green LED flashes once and the vibrator stirs.
Soft-alarm
This alarm can be used as a request for discreet assistance.
Press the Soft-alarm push button twice or more. Depending on set parameters, a beep is
heard, the green LED flashes once and the vibrator stirs.
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