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^CR (ATU Select Capacitors, GET and SET)

GET format: ^CR;

SET/RESPONSE format: ^Chh; where hh are two hexadecimal digits indicating the selected capacitors.

See http://en.wikipedia.org/wiki/Hexadecimal for a description of this notation.

Examples:

^CR00; selects no capacitors.

^CRFF; selects all capacitors.

^CR80; selects only the largest capacitor.

^CRC1; selects the largest, second largest, and smallest capacitors.

Hex Digits

Relay

Capacitance (pF)

K116

1360

K115

660

K114

300

K113

150

K112

K111

K110

K109

The KXPA Utility Operate page displays capacitor relay settings as check boxes and as a total

capacitance.

It may take a few tens of milliseconds after issuing ^CR before the relays are changed.

Capacitor settings are changed by ATU tuning operations. ^CR set is ignored while tuning.

Capacitor relays are released while the ATU bypass relay is in its bypassed setting.

^CR is meaningful only if the optional KXAT100 Antenna Tuner is installed.

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Elecraft KXPA100 Programmers Reference Manual do Utilizador Página 10