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Details frequency range, input/output impedance, power handling, and insertion loss.
Details frequency range, maximum power, and measurable SWR range.
Covers input/output connectors, ground connection, dimensions, and weight.
Explains how to connect the AT-130 to a transceiver using an interconnection cable.
Describes connecting an external power source for meter illumination.
Details the meter, calibration, band, and tuning controls on the front panel.
Covers the serial number plate, ground, power, and RF connectors on the rear panel.
Procedure for determining antenna system SWR with different transceiver types.
Step-by-step guide to adjusting the antenna coupler for optimal impedance matching.
Explains the function of the directional coupler in sampling forward and reflected power.
Describes how the meter circuit uses sampled power for SWR measurement.
Explains the role of the band selector switch in tuning and bypassing circuits.
Details the universal matching circuit's capability for impedance matching.
Provides general operating information and notes on warranty.
Details the information required when ordering replacement or spare parts.
Explains the procedure for returning the unit for service or repair.
Provides information and steps for replacing the dial light.