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TS-990S Firmware update | Radioaficion Ham Radio

TS-990S Firmware update


TS-990S Firmware 1.06

The TS-990S firmware has been updated from Version 1.05 to Version 1.06 as follows.
TS-990S owners can update the transceiver’s firmware by using a USB flash drive as detailed below.

Updated items : (Version 1.05 1.06) [March 27, 2014]
Revises the following symptoms.

1. On 21.5MHz ~ 30MHz when preamplifier is on, the S-meter may appear too sensitive to variations in signal levels due to excessive IF gain.(The update does not affect RX sensitivity.)

2. Just after TX tuning starts, a click noise may be heard momentarily.

3. Stored band memory number may not be indicated correctly just after the power is turned OFF and ON by the rear panel main power switch.


Firmware updating procedure
1) Download the firmware file "" onto your PC.
2) Save the downloaded firmware file "" to a USB flash drive.
* You must store the firmware file "" in the root directory of the USB flash drive without extracting the zip file, otherwise the firmware cannot be updated.
3) Press and hold the [M.IN](Memory) key, then turn the transceiver ON.The transceiver starts up with the Firmware Update screen after the start screen appears. You can verify the current firmware version.
4) Insert the USB flash drive containing the firmware file in the USB-A connector on the front panel.The firmware updating progress bar appears on the main screen. Upon completion of the firmware updating, "The firmware update is completed" appears on the main screen.
* Depending on the number of CPUs being updated, the time necessary for updating may vary. It can take 20 to 30 minutes to update the firmware.
5) Turn the transceiver OFF.
6) Remove the USB flash drive.
6) Turn the transceiver ON again.
The transceiver restarts with the new firmware enabled.
: If a message notifying you of an update failure appears during the firmware updating, refer to the Instruction Manual page 18-4.(Troubleshooting.)
: You can also update the firmware by connecting the transceiver to your PC using a USB cable.For details, please refer to the Instruction Manual page 17-2.
If you agree with the details listed above, click the following link to download the firmware file.
(The latest version includes all previous updates.)
TS-990S Firmware Version 1.06 (March / 2014) : 12.8MB download
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