1 Important Notice
WARNING!
This Radio Frequency (RF) antenna tuner is designed to operate on frequencies designated for amateur
radio service. You are required to have a valid amateur radio license to transmit on these frequencies.
Please operate this RF tuner only by following the quick start guide's instructions and this user guide.
The unit must only be opened or serviced by a qualified technician.
RF energy from transmitters can interact with some electronic devices, such as cardiac pacemakers and
defibrillators. Please refer to the pacemaker or defibrillator manufacturer's instructions concerning the
precautions to be taken near an amateur radio transmitter. If any interaction or interference with a
pacemaker or defibrillator is suspected, STOP transmitting immediately.
! ‐ WARNING!
▲‐ Caution
i – Information
! – This unit is not designed for use outdoors or in indoor environments that exceed the designed
environmental limits.
! – This unit is NOT A TOY. It must not be handled by children nor placed/operated within reach of
children.
! – Do not leave packing material for this unit unattended. It may be harmful to children if misused.
! – This unit contains small parts that could be a choking hazard to small children. Do not leave
accessories unattended.
! – Do not operate this unit in potentially explosive environments.
! – Never attempt to insert wires or any tools into the interior of this unit during operation. This may
cause fire, electric shock, or death!
! – This unit must only be operated with the electrical power described in this User Guide. Doing
otherwise may cause a fire, injury, or electrical shock.
! – Never connect or disconnect antennas while in TRANSMIT mode. This may cause electrical shock
or RF burns and damage to the unit.
! – This unit operates with high levels of Radio Frequency (RF) energy. Therefore, use caution and
observe proper safety practices regarding your system configuration. In addition, when attached to
an antenna, this tuner can induce RF electromagnetic fields, which require evaluation according to
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7 June 2021(FW:0.9.12, Utility: 0.9.12)