User's Manual
Table Of Contents
- Contents
- 1 Warning - and Safety instructions
- 2 Abbreviations and Terms
- 3 Scope of delivery
- 4 Labeling of the product
- 5 Product description
- 6 Preparing the Product for Use
- 7 Operating Instruction
- 7.1 Change of the battery
- 7.2 Connect the CT-MultiPTT Bluetooth to the radio
- 7.7 Telephone mode (mode 1)
- 7.8 Telephone mode with MIC switch (mode 2)
- 7.9 Limited telephone mode with MIC switch (mode 3)
- 7.10 Increase the volume
- 7.11 Lower the volume
- 7.12 Battery status
- 7.13 Change the PIN for CT-Multi PTT Bluetooth
- 7.14 CT-Wireless-PTT (optional)
- 7.15 Subscribe the CT-Wireless-PTT to the CT-Multi PTT Bluetooth
- 7.16 Delete one CT-Wireless-PTT from the memory of the CT-Bluetooth Adapter
- 7.17 Delete all CT-Wireless-PTT from the memory of the CT-Bluetooth Adapter
- 7.18 Switch-on and operation
- 7.19 End of operation
- 8 Safekeeping – storage
- 9 Disposal
- 10 Technical data
- 11 Brief instruction
Revision: 02/1015 DOK 1643-us 24 of 28
7.18 Switch-on and operation
Risk of hearing impairment
For safety reasons reception volumes in excess of 85 dB(A) are possible with
a whole series of CeoTronics products. However, the user can regulate the
volumes. After switching on the communication system, set the reception
volume to approx. 1/2 the available loudness volume and then test the audible
volume, e.g. by opening the squelch on the radio set.
Do not set the volume any higher than is necessary. A very high volume
setting can lead to damaged hearing, particularly if it is continuous. For higher
volumes or noise levels wear additional earplugs. If in doubt, ask your safety
officer or company doctor.
Turn the radio on, observing the manufacturer’s instruction manual. When turning the CT-MultiPTT
Bluetooth on, the LED in the Bluetooth button lights up green for about four (4) seconds (battery test).
After that, the battery / storage battery status is displayed. Should the LED not glow continuous green
during the first seconds, then the battery or storage battery is flat and requires replacement. Operation
is not possible.
At turn-on, the volume of the CT-MultiPTT is always set to medium. Now you can hear the incoming
radio messages in your communication set.
7.18.1 Communication via radio
The PTT serves the purpose of switching the radio between transmitting and receiving. For transmitting,
you must press the PTT button while speaking. If the communication set is equipped with a PTT button,
then this one and the PTT of the CT-MultiPTT Bluetooth have equal function.
If there exists an active telephone communication, voice to telephone is deactivated while transmitting.
Hearing the telephone is possible. When you let the button go, you return to standby/receiving mode.
Adjust the volume
Adjust the desired reception volume using the “Volume-up” and Volume-down” keys. It is not possible,
to completely down-regulate the volume. A minimum level persists. In a telephone conversation via
Bluetooth (cellular phone), adjustment of the reception volume takes effect on the Bluetooth connection.
7.18.2 Communication via cellular phone
Switch on the cellular phone and set it to mute. (Observe the instruction manual of your cellular phone)
Now, you are ready for communication via radio or cellular phone.
Switch on the Bluetooth module
You are able to communicate via cellular phone, even if on the CT-Multi PTT Bluetooth the radio is
neither active nor connected. Press simultaneously both, the Bluetooth and “Volume-up” keys, until you
hear an ascending three-tone
sequence in the CT communication set. When switching on the CT-
MultiPTT Bluetooth the LED in the Bluetooth button lights up green for about four (4) seconds (battery
test). Should the LED not glow continuous green during the first seconds, then the battery or storage
battery is flat and needs replacement. Operation is not possible.
Afterwards, the LED indicates the battery / storage battery status for the first 15 seconds.
Green, continuous - battery fully charged
Green, flashing - battery at half charge
Red, flashing - battery almost flat, approx. 30 minutes remaining
LED off - device does not switch on; battery/storage battery is flat.
After 15 seconds, the LED goes out.