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General| Frequency Range | 1.8 to 54 MHz |
|---|---|
| Tuning Method | Automatic |
| Connectors | SO-239 |
| Tuning Speed | 0.1 to 6 seconds full tune, 0.1 seconds memory tune |
| Voltage | 12-15 VDC |
| Current Consumption | 500 mA |
| Power Rating | 200 Watts |
Quick start guide for immediate operation of the AT-200Pro tuner.
Details on power limits and potential damage to the tuner or transmitter.
Crucial safety advice regarding antennas and proximity to power lines.
Explains front panel button functions and press durations for basic use.
Describes how settings are retained indefinitely in EEPROM memory.
Details special startup commands like version display and factory reset.
Toggling between average and peak wattmeter modes for different transmission types.
Changing the wattmeter display between 25 and 250 watts for resolution.
Switching between Auto and Semi-Auto tuning modes for convenience.
Setting the SWR level at which automatic tuning begins.
Manually setting the tuner for Hi-Z or Lo-Z antennas.
Toggling between antenna ports 1 and 2.
Explains Auto and Semi-Auto modes and their usage.
Explains the 16,000 frequency memories for quick tuning.
How to initiate a full tuning cycle by pressing the Tune button for over 2.5 seconds.
How to initiate a memory tuning cycle with a 0.5-2.5 second press.
How to place the tuner in bypass mode with a short button press.
How to manually adjust capacitance and inductance for fine-tuning.
How to query tuner settings using button combinations.
Guidance on installing and using the tuner for mobile radio operations.
Recommends Auto mode for frequent frequency changes in contests.
Using Peak mode and turning off LEDs for operational flexibility.
Discusses RF noise and MARS/CAP frequency coverage.
Explains common error states indicated by LED flashing patterns.
Explains fundamental concepts of impedance in RF circuits.
Discusses impedance matching in radio systems.
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