Kenwood TS-590S
firmware v1.08
Kenwood · Released Dec 6, 2013 · First seen Sep 6, 2026
Source:
kenwood.com
v1.08 is not the latest firmware for the Kenwood TS-590S: the current version is v2.05 (March 12, 2020). Go to v2.05
In short — summary by updatemystuff.com
Adds VFO selection for split-frequency transmit, fixes Band Change PC commands and VFO B memory backup.
- Configurable VFO selection in split-frequency transmit mode
- Fixed Band Change command failures in split-frequency mode
- Fixed VFO B band memory backup
Written from Kenwood's release notes, which are printed in full below.
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What's in this update
The following feature is updated.
- Enables the operator to change "tuneable VFO while transmitting in split-frequency operation" from TX VFO to RX VFO.
By pressing [SPLIT] + Power On, after the Power-on message appears, a decimal point blinks a few times at the left of the main 7-segment display.
The function can be deactivated by Powering Off and then pressing [SPLIT] + Power On again. (Please also update the Radio Control Program
ARCP-590
which includes this new function.)
The following symptoms are revised.
- If the radio is in split-frequency operation and a PC command of Band Change is sent to the transceiver, the transceiver will sometimes not transmit.
- Band memory may not be backed up correctly in VFO B.
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