Important - ZEKLER 412 S Instructions D'entretien

User manual / GB
Answer/End/Reject call
Most phones send their own call signal to the headset. If not, 7 shifting tones confirm an incoming call. The volume of the call
signal is controlled by the volume of the headset.
1. Answer a call by pressing short on the On/Off button. 4 ascending tones confirm the call is connected
2. End a call by pressing short on the On/Off button. 4 descending tones confirm the call is disconnected.
3. To reject a call, press and hold down the On/Off button for 2 seconds. 2 tones will confirm.
Adjusting the volume during an ongoing call
1. Increase the volume by pressing the Volume UP button (A:9)
2. Decrease the volume by pressing the Volume DOWN button (A:7)
Broken Bluetooth® link
If the Bluetooth® link is broken due to exceeded range (more than 10 meters) 3 tones will be heard in the headset and the On/
Off button must be pressed once to re-establish the link, when within range. If no link has been established within 15 minutes,
the headset will automatically switch off. Press and hold the On/Off button for 3 seconds to restart the headset.
Low battery warning
When the battery power is decreasing and approximately one hour remains of maximum run time, an audio signal of 4 tones
will be heard in the headset. The battery should then be charged as soon as possible. The headset will turn off when the battery
is drained.
Charging the battery
Charge the headset prior to first use!
For safety reasons, all headset functions are automatically switched off when charging.
The headset will charge when connected to a USB power supply.
Use the USB charge cable supplied with the headset (B:2). Check that the charge cable is correctly connected to the headset
charging socket (A:11) and a USB power supply.
Make sure the power supply is of LPS type (i.e. a USB port in a PC or car, or your mobile phone USB charge adapter) and
approved to local directives for electronic devices.
Power supply specifications: Output DC 5V 1000mA (Limited Power Source - LPS).
When charging, the headset LED will glow with solid bright green light.
When the battery is fully charged the LED changes from bright green light to soft green light.
A full charge will take approximately 3 hours.
The battery run time is approximately 38 hours with an active Bluetooth® link. (A2DP and/or HFP, HSP).
The stand-by time is approximately 100 hours with no active Bluetooth® link.

Important!

• Never leave the headset unattended when charging.
• Do not use the headset when the battery is charging.
• Only use a power supply as specified by the manufacturer.
• Only charge the headset in room temperature (10-25°C, 50-77°F).
• This product contains a built-in Li-ion battery and it may only be replaced by authorized service personnel.
• Do not attempt to open the battery compartment in any way, and do not disassemble, crush, or expose the battery to extreme
heat or fire.
• Operation temperature range for the electronic functions: -20°C (-4°F) to +55°C (+131°F).
• If these instructions are followed the product is unlikely to present any hazards within the means of EN 60950-1.
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