HumanTechnik Lisa A-240-90 Mode D'emploi page 17

Belt clip: You can use the belt clip to attach the
portable RF receiver to your clothing.
On/Off-Switch: This switch turns the portable
RF receiver on and off.
Channel selector: You can select the transmis-
sion radio channel using the channel selector.
Setting up the device
1. Insert the batteries
The battery compartment is located on the
underside of the portable RF receiver. Open
it by sliding the cover of the battery compart-
ment away from the receiver using both your
thumbs. Insert two 1.5 V AAA batteries and refit
the cover again.
2. Setting the correct radio channel
A digital transmission process ensures that the
radio signals are received without errors.
This process also makes it possible to set 10
different radio channels. All RF lisa dvices are
set to channel 0 by default.
It is only necessary to set your system to ano-
ther channel if you have several different users
operating lisa units in proximity.
Set the required channel by using a small
screwdriver to turn the channel selector switch,
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