MEDISWITCH
®
Rehab and Care Technology
Instruction Manual
VarioFon
noise detecting unit
Nurse call and personal transmitter technologies
rehab and care technologies
Phone.: +49 2208 9492 0
Fax.: +49 2208 9492 32
Lehmann Electronic GmbH Niederkassel
Copyright © 2019
LE324 V1.14 Page 1 von 4
Package Contents
Product
Order number
1
VarioFon
noise detecting unit (with/without power supply unit)
990.613.xx depending on the call system connector
Instruction manual
LE 324
1
The order number is printed on the identification decal.
Note: While unpacking, each shipment should be inspected for completeness and damage.
Note: In this manual, the “
VarioFon
noise detecting unit” is also referred to as “noise detecting unit”.
Use and Function
The microphone of the noise detecting unit (Fig. 1) detects noises a patient generates as calls and uses them to trigger a patient call. In
addition, a call can be triggered via the front mounted call button. The unit comprises several operating indicators, and various
adjustments can be made on the unit. Descriptions thereof can be found in Fig.
1 and in the chapter “Setting the noise detecting unit”.
Place the noise detecting unit where it can detect noises a person in need of care generates as calls and where he/she can reach the
call button, if possible, on a bedside table, for example.
The call is transmitted to a call system by the nurse call connecting cable. The nurse call system defines how call transmissions are
performed and where they are directed to. The functions and actions of the nurse call system are stated in the technical descriptions
thereof.
Fig. 1: noise detecting unit
Placement of the Noise Detecting Unit
Place the device such that the noise detecting unit can unambiguously detect noises a person in need of care generates as calls and
that the person in need of care can operate the call button, if possible.
Putting into Operation
Procedure:
Carefully read these instructions before putting the unit into operation.
Connect the power supply unit to a power outlet if necessary.
Insert the connecting cable to the call system into a suitable auxiliary plug contact.
Now the noise detecting unit is ready for operation.
Important:
Make sure to set and/or check the sound reception level and check for correct call triggering before using this unit.
Power Supply
Depending on the type, either the call system or the supplied power supply unit supplies power to the noise detecting unit.
Warning
A power failure results in the failure of the noise detecting unit. This possibility of failure must be taken into consideration
when using the device.
Note: Normally, an outage message is sent to the call system in the event of a power failure. This has to be checked
before putting the device into operation.
Switching off Call Messages
At each triggering the noise detecting unit sends one call signal. It is not necessary to perform a call reset on the noise detecting unit.
Operation
During operation, the measures described in the “Regular Maintenance” paragraph have to be performed.
Call button (P1)
Microphone
ON / OFF button (P2)
Microphone opening
Microphone sensitivity
control
Noise filter control
Call indicator LED (orange)
Microphone status LED (green)
Connecting cable to the call system
(optionally also connection to the
power supply unit).
