f. Please use original binding fitting, it is not within the guarantee range when any accident caused by
using other fittings at random.
4.2 Trouble clearing
Phenomenon
Reason
Solving method
Can not power on
Low battery
Charging headset 2 -3 hrs
No voice after pairing
In corrective pairing
Pairing again
Can speaking but red light
flashes
Low battery, red light flashes Charging headset immediately
Charging without indication
AC adapter without voltage
output
Check AC adapter whether plug or
not, or the switch of power supply
whether open or not.
Headset close automatically
Low battery
Charging up headset 2 -3 hrs
Headset has echo.
Too loud volume or it is in
noisy environment
Adjust volume or change a place
Speaking has noise.
The
environment
interference or the headset is
far from device.
Change a place or make headset and
device closer.
The other side is in a low voice. The pairing of headset is not
correct.
Adjust the position of headset
5 Storage environment
a. Working temperature’s range:
0℃
to 60
℃
without loss of function
b. Storage temperature requires: -20
℃
to 60
℃
without any damage to the Kit’s contents
c.
Humidity range: 3
0﹪
-90
﹪
humidity @ 60
℃
without loss of function
6
Caution
:
The user is cautioned that changes and modifications made to the equipment without the approval of
manufacturer could void the user’s authority to operate this equipment.
Notes: This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC Rules. These Limits are designed to provide reasonable protection against
harmful interference in a residential installation. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no guarantee that interference, will not occur in a
particular installation. If this equipment does cause harmful interference to radio or television reception, which
can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference
by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
FCC Warning:
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.