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GETTING TO KNOW YOUR AT-897PLUS
Your AT-897Plus is a quality, precision instrument that will give you many years of
outstanding service; take a few minutes to get to know it.
The AT-897Plus is designed specifically for use with the FT-897, and can be mounted to the
side of the FT-897. The four side feet from your FT-897 fit on the tuner so you can set it down
on its side without danger of scratching the finish. While your AT-897Plus is intended to be
integrated with your FT-897 transceiver, you can also use the tuner simply sitting on a table, not
mounted on the FT-897 transceiver.
Tuning is performed when the Tune button is pushed on the front of the AT-897Plus and
held for one second. The tuner can be placed in bypass mode by pressing the Tune button
momentarily.
The AT-897Plus is powered directly from the CAT port on the radio; no separate power
supply is needed. The AT-897Plus automatically powers up at the start of a tuning cycle, and
goes into an ultra low-power sleep mode when tuning is complete. The latching relays hold the
tuned configuration indefinitely, even when DC power is completely removed. Tuning memories
are stored in FLASH memory.
The AT-897Plus has 2,000 frequency memories. When tuning on or near a previously tuned
frequency, the AT-897Plus uses “Memory Tune” to recall the previous tuning parameters in a
fraction of a second. If no memorized settings are available, the tuner runs a full tuning cycle,
storing the parameters for memory recall on subsequent tuning cycles on that frequency. In this
manner, the AT-897Plus “learns” as it is used, adapting to the bands and frequencies as it goes.
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