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2
In this manual the following signs and symbols are used:
The STOP sign indicates a warning that must be obeyed for safety reasons.
This sign indicates an important explanation or a specific advice which should be obeyed.
An additional information or explanation is indicated this way.
3.3
Notes On Locating
When selecting the place for operating the PT-8000A bear in mind the general limitation
concerning environmental conditions as outlined in the specifications and the cautions at
the very beginning of this manual (P. ii).
Always handle the PT-8000A with care – consider the weight of more than 50 lbs, please!
Please make sure proper air circulation. Do not cover any air inlets and outlets at top,
bottom and rear panel of the devices.
Choose the place of installation so that all connectors of the PT-8000A are reachable any
time.
Select a power outlet that is capable to handle the power requirements. Connect your PT-
8000A to a proper ground system – which is important for optimum operation of any HF
transceiver – especially when operating high power by using an external amplifier. In the
past, a ground connection to a copper water pipe was often used for this purpose. Recent
revisions to the National Electric Code has made this practice a code violation. Bear in
mind that modern supply water installations utilize plastic pipe – which do not function
grounding purposes. Never use a gas or electric pipe since the connection could cause an
explosion or electric shock. A good grounding system not only prevents electrical shock but
also helps to ensure trouble free operation and will diminish television and broadcast
interference (TVI/BCI).
For your convenience you might raise the front of PT-8000A and HN-8000 by unfolding and locking tilt
bails mounted at the front equipment feet into front position as shown on Fig. 1 (see next page).
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