Operation Manual

10-16x

4.4. Adjusting the volume on the external unit

There are two potentiometers under the nameplate with which you can adjust the volume on the external unit.

potentiometer for loudspeaker (volume on external unit)

potentiometer for microphone (volume on internal unit)

4.5. Setting times

By default, the following times are programmed:

speech time after initiating a call max. 2 min

time that the camera image remains active 80 s

time that a call from an external unit remains indicated 2 min

You can also set other times via:

• the power supply. For more information on programming via the power supply, see manual of the

power supply.

• the service set. For more information on programming via the service set, see manual of the

service set.

• the relay.

5. MAINTENANCE

To prevent the surface of the product from becoming damaged by incorrect handling, consider the

following maintenance tips:

• Clean the product with a small quantity of soap and a damp cloth.

• Never use abrasive sponges or aggressive cleaning agents.

• Never use maintenance products that contain a solvent or an acid.

• Never use cleaning products that contain acetic acid.

6. TROUBLESHOOTING

Using a multimeter, always first check whether the following voltages are present:

• between b and a: ± 24 Vdc

• between b and P: ± 24 Vdc

• between M and P: ± 24 Vdc

• between b and V1 or V2: ± 5 Vdc

(b or M = mass)