5
Getting To Know Your AT-7000
Your AT-7000 is a quality, precision instrument that will give you many years of outstanding
service; take a few minutes to get to know it.
Your AT-7000 is designed specifically to work with the ICOM IC-7000 transceiver. It can also be
used with other ICOM transceivers that are compatible with AH-3 and AH-4 antennas.
There are no controls or readouts on the AT-7000. All functions are controlled by the
TUNER/CALL button on your IC-7000.
Your AT-7000 is powered directly by the radio; it needs no separate power supply. Your AT-
7000 automatically powers up whenever you start a tuning cycle, and after tuning, automatically
enters a “deep sleep” state in which it draws less than 8 mA. The tuner will automatically "wake
up" the next time you start a tuning cycle. The latching relays hold the tuned configuration
indefinitely, even while DC power is completely removed. Tuning memories are stored
indefinitely in EEPROM memory.
The AT-7000 has 2,000 frequency memories. When you transmit on or near a previously tuned
frequency, your AT-7000 automatically uses “Memory Tune” to reset the tuning parameters in
only a fraction of a second. The process of storing tuning settings in memory is completely
automatic; your AT-7000 literally “learns” as you use it, adapting itself to all of the bands and
frequencies you use. If no memorized settings are available, the tuner runs a full tuning cycle,
storing the parameters for memory recall on later tuning cycles on that frequency.
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