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TS-990S Firmware update v1.03 | Radioaficion Ham Radio

TS-990S Firmware update v1.03


TS-990S Firmware Version 1.03 (July / 2013)

The TS-990S firmware has been updated from Version 1.02 to Version 1.03 as follows.

Applicable units :
The firmware update is applicable to the following units.
Model: TS-990S
Serial numbers: From S/NO.B32xxxxx through S/NO.B37xxxxx approx.


Updates the following features.

1.Enables use of the TF-SET function while the CW/Voice Message screen is displayed.

2.Enables toggling Sub Band reception between ON and OFF while the CW/Voice Message screen is displayed.

3.When PF keys are pressed to play a CW/Voice Message while CW/Voice Message screen is not displayed, the CW/Voice Message screen is opened.It closes again after playing the message is completed.

  • If playing a message is stopped by F4[STOP] key, the CW/Voice Message screen remains.

4.Enables TF-SET function in Simplex mode while "XIT is ON and RIT is OFF".

  • While [TF-SET] key is pressed, XIT offset frequency can be set by [Tuning] (Main) control as well as [RIT/XIT] control.
  • The function does not work when RIT is ON.
  • Please also update the Radio Control Program ARCP-990 which includes above revisions.

5.Increases TX monitor maximum level by approximately 6dB.
6.Reduces CW full break-in RX noise.
7.Extends default AGC time constant values in "FAST", "MIDDLE", "SLOW"

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