Kenwood AT-180 User Manual

Details specifications for the antenna coupler, including frequency range and impedance.

Provides specifications for the built-in wattmeter, covering type, range, and accuracy.

Specifies the SWR detection method, measurable range, and minimum power required.

Lists general specifications including connectors, dimensions, and net weight.

Lists the accessories included with the AT-180 antenna tuner.

Provides instructions and diagrams for fabricating the interconnection cable.

Explains the necessity and method for using a dummy load with the AT-180.

Describes the function of the SWR and transmit power meter.

Explains how to select the wattmeter scale between 20W and 200W.

Details the function of the Forward-Reflected Wave selector switch.

Describes the switch that selects between wattmeter and SWR meter modes.

Explains the operation of the calibration switch for SWR measurement.

Describes the control used to calibrate the meter for SWR readings.

Explains the antenna selector switch for connecting antennas or through mode.

Details the function of the band switch for selecting operating bands.

Describes the R TUNE control for adjusting antenna resistance.

Explains the X TUNE control for adjusting antenna reactance.

Describes the UHF connector for the HF input signal from the transceiver.

Details the connector for attaching a dummy load.

Describes the UHF connectors for antenna coaxial cables.

Explains the connector for wire-type antennas.

Details the grounding stud for wire-type antennas.

Indicates the location of the serial number plate.

Instructions for adjusting the transceiver before using the AT-180.

Procedure to measure the SWR of the antenna system.

Procedure to measure matching state after coupler adjustment.

Procedure to measure forward and reflected power.

Guidance on proper usage of the antenna coupler and its benefits.

Safety warning regarding the use of gas pipes.

Precautions for connecting ANT 3 terminal and grounding.

Recommendation to use a card for recording antenna data.

Description of the directional coupler's function in sampling power.

Explanation of how the meter circuit measures power and SWR.

Details the utility of the antenna selector switch.

Describes the universal matching type antenna coupler and its advantages.

Information that the unit is factory adjusted; advise against touching internal controls.

Instructions on how to remove the casing and install extension feet.