CeoTronics CT-DECT Base Panduan Petunjuk Pengoperasian - Halaman 15

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3.3

Controls

Duplex communication between »mobile« users

After switch-on of the CT-DECT Case (8) and the CT-DECT devices (PP) and successfully completed

automatic establishment of connection (see chapter 3.2.3) the units are ready for duplex communica-

tion within the working range between CT-DECT devices (PP) and CT-DECT Case (8). Microphones

and headsets are permanently switched on. Each user can speak in its headset microphone and hear

in the earpiece of his headset the conversation of the other users. Adjust the communication volume

with the volume control for your headset earpieces. Never adjust the volume higher than necessary for

clear and proper communication.

Communication between »mobile« users and the aircraft intercom system

With the help of the PTT button on the headset, communication between »mobile« users and the crew

of the aircraft is possible, while the PTT button is pressed.

Pressing the »COM ON/OFF« buttons on the CT-DECT devices (PP) once establishes communication

between »mobile« users and the crew aboard the aircraft; pressing a second time cuts the communica-

tion off.

If the communication between »mobile« users and the aircraft crew is OFF, a high double beep sounds

in the headset after pressing the buttons. Now, communication is switched on.

If the communication between »mobile« users and the aircraft crew is ON, a low double beep sounds in

the headset after pressing the buttons. Now communication is cut off.

Only the »mobile« user establishing the intercom connection is connected with the crew of the aircraft

and only he can terminate the connection.

3.4

The system is tested and approved for use within a working temperature range from -30°C up to +55°C.

Exceptions apply to batteries and charging devices.

Rechargeable batteries

Very low or very high temperatures affect the life of rechargeable batteries.

Rechargeable batteries may only be used in the temperature range from 0°C to +50°C. At temperatures

below 0°C we recommend the use of alkaline batteries.

As CT-DECT devices (PP) are used close to the body, temperatures below 0°C are rarely seen.

4.1

Inspect the system and particularly cables and connector assemblies regularly for signs of cracks, fis-

sures, and deterioration.

4.2

After every use the entire system should be cleaned.

ATTENTION!

Pay attention that no humidity could penetrate into the device during cleaning.

Do not use solvents (e.g. benzene, alcohol, etc.) for cleaning!

Remove loose dust with a soft brush. Clean the outside of components, if necessary, with an appropri-

ate clean cloth, only lightly moistened with clear water, and then rub it down thoroughly. If heavily

soiled, a few drops of rinsing agent may be added. Clean the connector pins with a commercial clean-

ing agent.