User's Manual

Electric power indication: This machine will display in the lower power at the left corner of
the display screen according to the battery stock. When the battery symbol flickers, it
indicates that the power is insufficient and the battery must be replaced.
Earphone/microphone: This machine has an external earphone/microphone interface,
which can be used to communicate and speak with earphone/microphone. To use this
function, please remove the rubber plug on the headphone hole above the headphone,
insert the headphone plug into the headphone and microphone jack and put on the
headphone.
Charging: This machine has charging battery interface. When charging, please plug the
charger plug into the headset/microphone/charging Jack to charge directly.
Note: This machine can not be used when charging with plug.
Specification:
Channel: Channel is optional.
Distance: up to 5 KM.
Notes: When using headphones, please adjust the volume appropriately. If you feel
uncomfortable with your ears, please shut down immediately. Do not use this machine in
unsafe environment to avoid explosion or fire. For example, gas stations, undetected