User's Manual

1) When the PTT headset haven’t been used for long time or overused, it need to be pre-
charge for an hour, then pull out and in the charger, it will indicate normal charging. Please
don’t count the pre-charging time into normal charging time.
2) Try another charging line or charger.
Whether or not Support using while charging
Use while charging is not recommended
Compatibility with other chargers
Cigarette charger of the car or motorcycle, emergency battery pack or other type charger
might be used for charging as long as their actual output voltage is between 5V to 6V and
have the same plug style and power source positive and negative polarities with our initial
charger. However the user will be responsible for the risk of using other chargers and we
don’t guarantee the effects and responsible for the risk.
Wrong operation into factory test or USB upgrade mode
The BT PTT headsets light indicator flashes abnormally and can’t power on after wrong
operation into factory test or USB upgrade mode. User must use USB cable to charge to
reset the device.
Please send back your BT PTT headset to our after-sales service department
for help if above 1 to 12 suggestions fail to solve your problem.
NOTE: 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
Changes or modifications not expressly approved by the party responsible for compliance could
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
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