When the ATU TUNE function discovers the SWR is less than the bypass threshold, 
it should select "bypassed" as the tuning solution, and the KAT500 Utility 
should show no L or C values selected.  It should also show the "bypassed" 
check box.

I don't have a "standby" LED.

The "BYPASS" LED means that the ATU's mode is "BYPASSED", not that the current 
ATU tuning solution is "Bypassed".

73 de Dick, K6KR





-----Original Message-----
From: Elecraft [mailto:[email protected]] On Behalf Of w4sc
Sent: Friday, July 22, 2016 09:09
To: Elecraft <[email protected]>
Subject: [Elecraft] KAT-500 Bypass indication/operation issue

When SWR is less than 1.3 (factory default), the KAT-500 should go into 
“BYPASS” as I understand.

The LC values and MODE (Manual) from the previously selected antenna are still 
shown in the config utility “Operate TAB”.

Also, the STANDBY LED has never illuminated when the SWR measurement is less 
than the threshold set for entering the BYPASS mode.

Firmware installed

    K3:  5.38
    KAT-500: 1.67

de Ben W4SC


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