Elecraft KAT500
firmware v1.32
Elecraft · Released Feb 22, 2013 · First seen Sep 14, 2026
Source:
elecraft.com
v1.32 is not the latest firmware for the Elecraft KAT500: the current version is v2.16 (May 29, 2024). Go to v2.16
In short — summary by updatemystuff.com
Memory Recall Tune auto-recalls settings when switching frequencies in same band; improved tuning.
- Memory Recall Tune automatically recalls previous segment settings
- Reduced start power and faster Full Search Tune for nearby frequencies
- New serial commands: MTA/MTM, FLTC, PS/PS1
Written from Elecraft's release notes, which are printed in full below.
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What's in this update
Add Memory Recall Tune for in-band QSY.
When the KAT500 detects drive on a frequency within the same band, but in a different band segment, it will recall settings previously stored for that segment.
This feature defaults ON in mode MAN and mode AUTO, but may be disabled via the KAT500 Utility.
Select Configuration, Edit Configuration, Tune on QSY.
KAT500 Utility version 1.13.2.13 or later is required to access this menu.
Perform Memory Recall Tune on in-band QSY on Tx frequency count in Mode MAN, without regard to SWR.
Perform Memory Recall Tune on in-band QSY on Tx frequency count in Mode AUTO, without regard to VSWR, followed by a Full Search Tune if needed.
Add MTA and MTM commands to permit owner to enable or disable Memory Recall Tune on in-band QSY.
See KAT500 serial command reference.
KAT500 Utility configuration support for this command is in KAT500 Utility version 1.13.2.13 and later, Configuration Tab, Edit Configuration, Tune on QSY.
Reduce minimum "start tune" power from 7 watts.
Reduce Full Search Tune time when starting on a nearby frequency.
Clear fault on all button presses, antenna change, band change.
Fault when transmit power exceeds 100W with amplifier key line interrupted Add optional frequency to SM command to permit saving tuner settings without having to transmit on that frequency.
See new KAT500 Serial Command Reference for detailed syntax.
Add FLTC; serial command to clear current fault Issue FT; response when tune completes and exciter tune power is no longer needed.
Add PS; and PS1; serial commands to query and turn on power.
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