For example, "P6" could be implemented with a 4-pin connector to brine in the 4-bits BCD from the switch matrix and a 3-pin connector to bring out the spare two Port. B bits and ground. This allows a more modular system where the thumbwheel switch cabling is completely separate from the cabling to those two spare bits. My favorite use for the stand-alone combo is as the LO lor a tunable mixer. How about
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A ohm RF Dummy load and in-line wattmeter must be connected to the main antenna jack in all procedures that call for transmission, except where specified otherwise. Correct alignment is not possible with an antenna. After completing one step, read the following step to determine whether the same test equipment will be required.
If not, remove the test equipment except dummy load and wattmeter, if connected before proceeding. When the transceiver is brought into the shop from hot or cold air, it should be allowed time to come to room temperature before alignment.
Whenever possible, alignments should be made with oscillator shields and circuit boards firmly affixed in place. Also, the test equipment must be thoroughly warmed up before beginning. Under no circumstances should any alignment be attempted unless the normal function and operation of the transceiver are clearly understood, the cause of the malfunction has been clearly pinpointed and any faulty components replaced, and the need for realignment determined to be absolutely necessary.
The following test equipment and thorough familiarity with its correct use is necessary for complete realignment. Most steps do not require all of the equipment listed, but the interactions of some adjustments may require that more complex adjustments be performed in a sequence. Do not attempt to perform only a single step unless it is clearly isolated electrically from all other steps.
Rather, have all test equipment ready before beginning, and follow all of the steps in a section in the order they are presented.
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