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General| Type | Automatic Antenna Tuner |
|---|---|
| Frequency Range | 1.8 - 54 MHz |
| Input Voltage | 13.8 VDC |
| Impedance | 50 ohms |
| Current Consumption | 200 mA |
| Connectors | SO-239 |
| Power Handling | 600W SSB/CW, 300W Digital |
Quick start guide for operating the AT-600ProII without reading the full manual.
Information regarding the power handling capabilities and limitations of the AT-600ProII.
Critical safety instructions regarding antenna installation and power line hazards.
Description of the AT-600ProII's front panel, including pushbuttons and indicator LEDs.
Detailed explanation of the connectors and ports on the rear panel of the AT-600ProII.
Explanation of how to operate the AT-600ProII using its front panel buttons and press types.
Details on how to access and configure user-settable options for the tuner's behavior.
How to toggle between average and peak power display modes on the LED bargraph.
Explanation of how to switch between 60W and 600W scales on the power LED bargraph.
How to select between semi-automatic and fully automatic tuning modes for the tuner.
How to set the SWR threshold for triggering automatic tuning cycles.
How to toggle between antenna ports and how settings are recalled.
How the AT-600ProII displays power and SWR during transmit and receive operations.
Explanation of how tuning cycles are initiated and the two types available: memory and full tune.
How to initiate a memory tuning cycle by pressing the Tune button for a specific duration.
How to explicitly initiate a full tuning cycle by pressing the Tune button for an extended period.
How to place the tuner in bypass mode and its functionality.
Explanation of different error codes and their meanings indicated by front panel LEDs.
How to manually adjust inductance and capacitance settings using front panel buttons.
How to manually set the high/low impedance relay for L-C or C-L configuration.
How to store current relay settings into memory for the active frequency.
How to check the status of various user settings by holding the Func button.
Guidance on installing and operating the AT-600ProII in a mobile environment.
Explanation of minor RF noise generated by the microprocessor during operation.
Information on the AT-600ProII's continuous tuning coverage for MARS/CAP.
How to connect and use the LDG M-600 External Meter with the AT-600ProII.
Practical tips for optimizing tuning performance with the AT-600ProII.
Fundamental concepts of impedance and its relevance to antenna tuning.
Explanation of impedance matching in radio systems and the concept of SWR.
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