Contents Important Information for Users of the CT-DECT transceivers ..............5 Important safety instructions ......................7 Description ............................9 General............................9 Usage within a CT-DECT system....................9 Usage within a CT-GateCom system ..................9 Power supply and operating time ....................9 Audio signals used ........................9 Sidetone ............................9 On/Off switch for the microphone ....................10 Headset without On/Off switch for the microphone ..............10 Commissioning and operation......................10...
Unprotected CT-DECT transceivers can trigger explosions unintentionally in these areas. CeoTronics does not assume any liability for damage to property and personal injuries of any kind that can arise through the above mentioned or any other incorrect use of the CT-DECT transceivers.
Page 6
Important Notes for operation of the CT-DECT System in the USA Please note that any changes or modifications not expressly approved by the party responsible for compliance will void the user’s authority to operate the equipment. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Before using CeoTronics products read completely the appropriate operating instructions. If in doubt, ask our technical staff. If repair work of any kind needs to be done to CeoTronics products, arrange for it to be performed only by the company CeoTronics or by a specialized workshop that is authorized by CeoTronics. In all other cases our warranty and liability for the product shall lapse.
Page 8
Do not leave CeoTronics products lying around loose in cars, e.g. on the parcel shelf. Stow these products in a suitable, safe place in the car so that they do not present a danger to you or to other occupants of the car, if emergency braking is effected.
Usage within a CT-GateCom system In a CT-GateCom system instead of the base headset a CT-GateCom Compact is used that usually resides in a weatherproof carrying bag. Notice the special CeoTronics operating instructions for the CT- GateCom Compact. Power supply and operating time Power for the headset is supplied by a 3.6 V/2300 mAh NiMH rechargeable battery in the right headset...
On/Off switch for the microphone The microphone can be switched on and off with the switch »Mic.–OFF–Mic.« (Fig. 3/a) at the bottom of the right-hand headset muff. Three switch positions are possible. However, communication can only be performed after the connection setup. Middle position »OFF«...
Range warning In the case the range limit is reached a high 3-beep tone sequence is audible in the base and in the standard headset approx. every 5 seconds. When the range limit is exceeded the connection will be released. After the headsets are back again within the reception area the connection setup will be effected automatically.
With the optional PTT button (examples Fig. 3/c and Fig. 10/a) the user can transmit a PTT criterium (PTT = push to talk) from his CT-DECT standard headset to a CT-DECT base station, to which an external two-way radio is connected.
Do not put them in the household refuse! Use a CeoTronics charger (see section 11) to charge the 3.6 V/2300 mAh NiMH rechargeable battery in the headset. Using other chargers can cause rechargeable batteries to become damaged. The battery charging socket (see example Fig.
Regularly examine the headset muffs and in particular the ear cushions frequently for signs of fractures, cracks and wear. If the headset muffs are damaged, replace the headset and send it in to CeoTronics for repair. Replace damaged or worn ear cushions in accordance with section 10.4, and, even if not damaged, every 6 months of use at the latest.
For on-air subscription at a DECT device or at a CT-GateCom device always the on/off switch and the subscription button(s) are used. In every case notice the special CeoTronics operating instructions for the other CT-DECT device resp. CT-GateCom device. 12.1 General NOTE The on-air subscription is a procedure which has to be performed once by the factory.
For on-air subscription at a DECT device always the on/off switch and the subscription button(s) are used. Every time notice the special CeoTronics operating instructions for the other CT-DECT device. NOTE The on-air subscription is a procedure which has to be performed once only by the factory. It must be performed again only in the case a DECT device that isn't subscribed to the system has to be used within the system.
Note Two ore more standard devices can never be simultaneously subscribed to the base device, they must always be subscribed one after the other. With two ore more standard devices it is recommendable to subscribe all standard devices one after the other to the base device, because a standard device can be deleted (see »Principle of subscription«).