ZEKLER 412 RDB Manuel D'utilisation page 7

Turning off the Bluetooth® function.
Press and hold the BT knob for 6 seconds. An audio signal with 4 descending tones is heard in the
Answer/End/Refuse call
Most phones send their own call signal to the headset. If not, 4 shifting tones are heard in the headset
at incoming calls.
refused.
Redial last dialed number.
Press short 2 times on the BT knob to redial last dialed number.
Voice dial from headset via connected phone.
See the user instruction for your phone if it supports voice dial.
1. Press and hold the BT knob for 2 seconds and release the BT knob.
2. Speak your voice dial command.
Most phones that support voice controlled dialing will send an acknowledgment signal when to speak
your voice dial command.
Transferring calls to/from a phone.
transferred to the phone.
2. One short press on the BT knob will transfer the call back to the headset.
Park a call/put on hold.
During an ongoing call an additional incoming call can be connected.
1. A short press on the BT knob will connect the incoming call and end the ongoing call. A short tone is
2. Two short presses on the BT knob will connect the incoming call and put the ongoing call on hold. A
3. One short press on the BT knob re-connects the parked call and ends the other. A short tone is heard
Adjusting the volume during an ongoing call.
1. Increase the volume by turning the BT knob clockwise.
2. Decrease the volume by turning the BT knob counter clockwise.
The headset has the function "adaptive volume control" which adjusts the incoming communication/
speach volume to the ambient sound level. This means that the users themselves do not need to adjust
the volume when working in irregual ambient sound levels. The volume adjusts relative to the originally
set volume level.
Music streaming from a Bluetooth® unit.
3. Adjust the volume by turning the BT knob clockwise/counter clockwise.
4. The master volume is controlled on the phone.
5. The music playback functions are controlled on the phone.
Warning!
Remember to adjust the volume when working in noisy environments so that any warning signals etc.
can be heard.
Indication of broken Bluetooth® link.
in the headset, and repeated every 30 seconds. When the units are within range again the link will
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