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General| Tuner Type | Automatic Antenna Tuner |
|---|---|
| Input Impedance | 50 Ohms |
| Output Impedance | 50 Ohms |
| Input Voltage | 13.8 VDC |
| Power Handling | 1000 Watts |
| Impedance Matching Range | Matches 10:1 or greater SWR |
| Current Consumption | 1.5A max |
| Dimensions | 3.5" |
| Control Interface | manual |
| Frequency Range | 1.8 to 54 MHz continuous coverage |
Critical safety warning regarding RF energy handling and internal component safety.
Crucial safety advice for antenna installation near power lines to prevent injury or death.
Emphasizes not operating with the cover removed due to lethal RF voltages and not exceeding specifications.
Describes connecting the AT-1000 Pro to the amplifier, antenna, and power source for initial operation.
Details continuous frequency range and transmit power capabilities for different modes.
Outlines tuning time, memory capacity, and load impedance tuning capabilities.
Provides dimensions, weight, and power input requirements for the AT-1000 Pro.
Describes the front panel layout with pushbuttons and the illuminated cross-needle meter.
Explains the primary function of each pushbutton on the front panel.
Details how to turn the unit on/off and enter FUNC mode.
Explains how the cross-needle meter displays power, SWR, and modes.
Describes connecting antenna feedlines to the SO-239 connectors.
Explains connecting the ground and the transmitter via coax jumper cable.
Details the connections for optional radio interface and the DC power input.
Advises on protecting the unit outdoors and using a balun for non-coax-fed antennas.
Guides on connecting transmitter, antenna, and DC power, emphasizing turning radio off first.
Recommends proper grounding and lightning arrestor installation for performance and safety.
Explains primary functions and secondary functions accessed via FUNC mode.
Details turning the unit on/off and entering FUNC mode.
Describes switching between automatic and semi-automatic tuning modes.
Covers antenna selection and switching meter scales between 100W and 1000W.
Details increasing capacitance and toggling between average/peak power display modes.
Describes decreasing capacitance.
Describes increasing inductance.
Describes decreasing inductance.
Explains selecting bypass/active mode, requesting tuning cycles, and manually storing settings.
Explains the memory and full tuning cycles and how the tuner learns settings.
Discusses exciter roll-back circuits and required power levels during tuning.
Describes how to use the fully automatic tuning mode.
Details the built-in relay protection against over-power or high SWR conditions.
Explains front panel LED blinking for over-range conditions on the 100W scale.
Details the procedure to initiate a memory tuning cycle.
Details the procedure to initiate a full tuning cycle.
Explains using buttons to manually adjust inductance and capacitance for optimal SWR.
Describes how to save manually tweaked tuning settings into memory.
Describes LED patterns indicating inability to determine frequency.
Explains LED patterns indicating relay protection activation due to SWR or power limits.
Details LED indications for no RF present, RF lost, or inability to find a good match.
Notes continuous tuning coverage beyond ham bands for MARS/CAP operation.
Explains integration with Icom transceivers using an optional interface cable.
Details integration with Yaesu transceivers using an optional interface cable.
Describes the pinout for the radio interface jack for custom connections.
Introduces concepts of impedance, resistance, capacitance, and inductance in RF circuits.
Explains characteristic impedance and the concept of a "matched" system.
Explains what a mismatch is and how reflected energy can damage transmitters.
Introduces the SWR formula and how SWR bridges work.
Describes how tuners cancel reactance and "fool" the transmitter.
Explains the switched L network, relays, and microprocessor control.
Details the Bruene circuit variation used for SWR sensing and power measurement.
Describes the microprocessor's algorithm for finding the best match, including fine tuning.
Advises using vacant frequencies to avoid interference during tuning operations.
Unit is maintenance-free; clean case with soft, damp cloth; avoid extremes.
Contact support via phone/email; find info online, manuals, and dealer links.
Covers defects for two years, transferable with sales receipt.
Send product for repair; estimate provided if needed; follow instructions.
Instructions for returning product, including repair form and address.
Encourages users to provide feedback on their product experience.
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