Arjo Citadel - Anti-Entrapment System

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Citadel Bed Frame System
To cancel the alarm or deactivate patient movement detection:
Press the In Bed button or Egress button once.
The alarm will be silenced and the threshold display indicator will
go out to show that movement detection is deactivated.
To silence the alarm: Press the Bed Exit Silence button. The alarm will be
silenced for three minutes and the VariZone system will be re-enabled once
patient weight is returned to the bed.
Anti-Entrapment System
The anti-entrapment system is designed to detect patient entrapment between the
base and deck when the deck is lowered, or is placed into tilt or Auto-Chair. The
system is permanently active and cannot be switched off.
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There are four infrared sensors (1), one above each castor, which generate an invisible
beam around the base of the bed (3).
If the beam is interrupted (example: by a patient’s limb) while the
deck is lowering, the deck stops moving, lifts slightly to allow the
obstruction to be cleared, and the weighing system display reads
AES.
In addition, the AES indicator LED on the ACP lights.
Upward movement of the deck is not affected.
The anti-entrapment system may also be triggered if the beam is
interrupted by bed linen, etc.
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