The AR 37 (AQ-Ruf) is specially designed for landing operating panels (call up + down). It emits a tone when a command transmitter is pressed. When an already acknowledged command transmitter is pressed, the AQ-Ruf also triggers. The AR 37 (AQ-Ruf) is suitable for common anode/common cathode as well..
The AQ can be operated in 3-wire as well as 4-wire technology in such a way that it only triggers when the call has been accepted by the control unit. The AQ is also triggered when an already acknowledged command transmitter is actuated (see EN 81-70 (D) table 4). The volume can be adjusted via pote..
SilentLift is the only damping element for decoupling of the guide rails on the whole market:With TÜV certificationThat isolates on the technically correct area --> towards the mass (wall)That reduces the speed of sound verifiably (confirmed by certified noise control testing facility VMPA, DIN 4..
SilentLift is the only damping element for decoupling of the guide rails on the whole market:With TÜV certificationThat isolates on the technically correct area --> towards the mass (wall)That reduces the speed of sound verifiably (confirmed by certified noise control testing facility VMPA, DIN 4..