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Covers frequency coverage, control, readout, stability, power, weight, and dimensions.
Details receive system, modes, IFs, sensitivity, selectivity, and spurious response.
Detailed explanation of all controls and their functions located on the front panel.
Description of connectors and controls found on the rear panel of the unit.
Diagrams and labels for main, RF, bottom, and PLL internal unit components.
Schematic block diagrams illustrating the internal signal flow of Main and RF units.
Block diagram detailing the signal paths and components within the PLL/Logic unit.
Explanation of the RF unit's circuits, signal paths, and operational modes.
Details on IF circuits, audio frequency circuits, and other operational aspects of the main unit.
Describes the operation of the noise blanker and filter selection circuits.
Explains AGC, S-meter, squelch operation, and BFO circuit functions.
Details the reference and 2nd local oscillation circuits within the PLL unit.
Explains the main loop, PLL ICs, loop filter, muting, and VCO circuit functions.
Describes the sub loop, local oscillator, and their integration into the PLL system.
Details PLL data, including how N data is obtained for frequency control.
Describes the CPU, its port allocation, and the input control circuit.
Details I/O expander, display timing signals, and N data transmission.
Illustrates N data output timing and provides tables of high/low N data values.
Explains the scan circuit and the matrix unit for signal relay and data distribution.
Details matrix functions for VFO/M switching, modes, and memory channel selection.
Covers mode select, pitch clear, remote control, scan timing, display, and REG units.
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