Kenwood TS-990S
firmware v1.26
Kenwood · Released Sep 25, 2023 · First seen Sep 6, 2026
Source:
kenwood.com
v1.26 is the latest firmware for the Kenwood TS-990S, released September 25, 2023.
In short — summary by updatemystuff.com
Bandscope span now stored per mode, fixes CW text keying and APF frequency adjustment issues.
- Bandscope span stored separately per mode
- CW text keying command fixed
- APF center frequency corrected with IF SHIFT changes
Written from Kenwood's release notes, which are printed in full below.
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What's in this update
The following features are updated.
- Changes the default value of the Menu No.6-08 "Filter Control in SSB-DATA Mode (High/Low and Shift/Width)" from "Shift & Width" to "High & Low Cut".
- Changes the default value of the Clock Menu No.1-01 "NTP Server Address" from "Blank" to "time.nist.gov".
- Stores the bandscope span frequency separately for SSB/AM/FM mode, CW/FSK/PSK mode, and DATA mode.
- Please also refer to the revised Instruction Manuals .
The following symptoms are revised.
- The PC control command "KY" (CW text keying) may not work correctly under certain conditions.
- Center frequency of the APF (Audio Peak Filter) is not corrected when IF SHIFT is varied.
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