Hi all, If you're powering the KX3 and a KXPA100 from the same large 12-V battery, and you've had a problem with the KX3 dropping power from QRO levels to 5 W, please contact me directly. I have an experimental firmware fix for this.
This only applies if: - the KX3 is connected to the amp via the special control cable - MENU:PA MODE set to ON - the power control is set higher than 10 W In this case (with the amp in-line), there was a bug where a drop in supply voltage to 11.0 V or lower would kick the KX3+amp into QRP mode (with the amp bypassed). A key-down drop below 11 V is not unusual with a moderately depleted 12-V battery running a QRO station. With the new firmware, the user can continue to use the amp anyway, at some appropriate power level. Of course you shouldn't try to get the full 100 W output in this case. For example, if the voltage is in the 11-V range on key-down, I recommend not using more than about 40-50 W. At 10 V (which isn't even safe to us with some 12-V batteries), you're better off using QRP levels and setting PA MODE = OFF to conserve battery power. 73, Wayne N6KR ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
