Elecraft KXPA100 Programmers Reference Manuel d'utilisateur télécharger pdf (Page 7)

^AT (Enable/Disable Attenuator, GET and SET)

GET format: ^AT;

SET/RESPONSE format: ^AT0; (disabled) or ^AT1; (enabled). The response ^AT2; is returned if the

attenuator is engaged by the back panel switch.

Energizes (^AT1;) or releases (^AT0;) the attenuator relay, K203. If the back panel 3 dB ATTEN switch is

ON, the ^AT setter has no effect.

It may take a few tens of milliseconds after issuing an ^AT setter before the relay is changed.

Firmware enables the attenuator as needed to protect the amplifier, and may release it after a period

without transmission.

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Elecraft KXPA100 Programmers Reference Manuel d'utilisateur Page 7