User's Manual

PRELIMINARY
TD 92417GB
2007-02-19/ Ver. PA
User Manual
Ascom a71 Alarm Tranceiver and Ascom p71 Transceiver
10
signal always starts with a pair of low volume beeps and then continues with high volume
beeps, and is alternating with the vibrator.
Press any button during this warning phase to prevent the alarm from being sent.
If no button is pressed an alarm is sent. Depending on set parameters, a beep/vibrator/LED
signal confirms that the alarm has been sent.
Extra Delay
If the parameter “Extra delay” is enabled, the detection of Man-down & No-movement
alarm can be disabled for a configurable time (default 10 minutes). When the warning
signal sounds, press the "Mute" button. Press "Yes" to activate the extra delay.
Configuration of Man-down & No-movement Alarm
The following parameters are configurable:
• Time of Man-down detection phase (time of a tilted state)
• Time of No-movement detection phase (time of a non-moving state)
• Time of Man-down/No-movement Warning (MDW) phase
• Extra delay activation
• Extra delay time
5.4 Acoustic Location Signal (ALS)
Depending on set parameters, the ramped up Acoustic Location Signal (ALS) is played
after an alarm. The signal is always ramped from the lowest volume to the highest. Press
the "Mute" button to turn the ALS off.
Note: ALS is configurable for Man-down & No-movement alarm, Push-button alarm and
Pull-cord alarm.
5.5 Location Function (IR or LF)
The location of the transceiver, received via either infrared light (IR) or low frequency
transmission (LF), is automatically sent along with an alarm.
If both IR and LF are enabled, the transceiver first handles IR and then LF. If a location is
detected, the location function is put to sleep until the next scan interval, which is defined
by a parameter. Depending on set parameters, a beep signal and/or a flashing green LED
indicates that a location (a new or the same) has been received.
Note: A transceiver with an IR receiver must never be covered, see figure 7.