Park Air Systems T6T, User Documentation

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T6T VHF 100 W Transmitter Page 7 Maintenance
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Unscheduled Maintenance
The instructions given in this section involve connecting dangerous voltages to the
transmitter. Maintenance should be carried out only by suitably qualified personnel.
When an ac supply is connected, dangerous voltages are present within the transmitter. Care
must be taken by personnel to avoid accidental contact with exposed circuitry during
maintenance or alignment procedures.
When the Power switch is set to the Standby position, dangerous voltages are still present
in the transmitter's internal power supply circuitry. To ensure safe working, the ac and dc
input supplies must be disconnected from the transmitter.
The antenna used with the transmitter must be installed such that the resultant radiated field
strength is below 10 W/m² in areas normally accessible to personnel.
The T6 transmitter circuitry contains Electrostatic Sensitive Devices (ESSDs). Personnel
must be aware of the precautions necessary to prevent damage to such devices.
Changes or modifications made to this equipment that are not expressly approved by
Park Air, or parties authorized by Park Air, could void the user’s authority to operate the
equipment.
When carrying out repairs to the PA module, care must be taken not to damage the gasket.
If the strips become damaged, they must be replaced. Failure to comply with this instruction
may compromise the transmitter Electromagnetic Compatibility (EMC) and breach European
Commission regulations.
When screws are inserted into the transmitter PA casting care must be taken not to exceed
a torque of 6 Ibs/inch when tightening. This applies when replacing the top and bottom
covers and during the refitting of the PA modules.
WARNING Dangerous Voltages
WARNING
Antenna Radiation
Caution
ESSDs
Caution Unauthorized Modifications
Caution Repairs