Firmware update information
Last updated : September 12, 2019
The TS-990S firmware has been updated from Version 1.23 to Version 1.24 as follows.
TS-990S owners can update the transceiver’s firmware by using a USB flash drive as detailed below.
Updated item : (Version 1.23 1.24) [September 12, 2019]
The following symptom is revised.
1. An error message (ERR:005C) may be displayed due to false detection, even though there is no failure in the transmitter circuit (FETs, ICs, Relays, etc.).