Elecraft KX2
firmware v2.89
Elecraft · Released Dec 10, 2017 · First seen Sep 14, 2026
Source:
elecraft.com
v2.89 is not the latest firmware for the Elecraft KX2: the current version is v3.02 (April 8, 2022). Go to v3.02
In short — summary by updatemystuff.com
FM mode added for repeater and transverter use (experimental); mic remote functions temporarily disabled.
- FM mode added for 10-meter repeaters and transverters
- Mic remote functions temporarily disabled during redesign
Written from Elecraft's release notes, which are printed in full below.
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What's in this update
MCU 2.89 / DSP 1.52
- ADDED FM MODE: FM mode can be used on any band, but it is intended for use with 10-meter repeaters (or 10 meter FM simplex DXing) as well as with external transverters. (For transverter band display setup instructions, see owners manual.) FM is considered experimental on the KX2 pending field test results.
FM Instructions:
- FM mode can be enabled or disabled using MENU: FM MODE
- To adjust squelch, tap FIL, then rotate the AF GAIN knob
- To select +/-/SIMPLEX repeater offset, hold SPLIT
- Set up repeater splits per-band/per-memory using MENU: RPT OFS
- Adjust FM deviation using MENU: FM DEV
- To adjust PL tone deviation, locate MENU: FM DEV, then tap 1 (PRE)
- To select PL tone, use MENU: FM TONE. Tap 1 to turn tone on/off.
Note: 1750 Hz tone not usable at this time.
- MIC REMOTE FUNCTIONS: These functions are being redesigned and have been temporarily disabled.
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